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DTSTART;TZID=America/Los_Angeles:20251115T093000
DTEND;TZID=America/Los_Angeles:20251115T150000
DTSTAMP:20260403T105206
CREATED:20251025T173423Z
LAST-MODIFIED:20251025T173537Z
UID:40787-1763199000-1763218800@iafi.org
SUMMARY:Barker Canyon Giant Cave Arch Rockshelter Field Trip - Sat. Nov. 15th
DESCRIPTION:Join Outing Coordinators Mark Amara\, Geologist and Gene Wing of the Lower Grand Coulee Chapter on Saturday November 15th for a 3-mile hike to visit the Barker Canyon Giant Cave Arch Rock Shelter Ice Age Floods Feature in the Upper Grand Coulee\n \n\n\nDate: Saturday November 15th\, 2025\nStart time: 9:30 am\nMeeting Place: We will meet at the Dry Falls Visitors Center parking lot at 35661 Hwy 17 North\, Coulee City\, 99115 and plan to leave at 9:30 AM sharp and drive to Barker Canyon \n\nDRIVING DIRECTIONS:       \n\n\n\nPlease see the attached map or coordinates of the Rock Shelter are: 119.193029 degrees Latitude – 47.89900 degrees Longitude \n\n\nFees: A Discover Pass is required\nWhat to bring: Lunch\, drinks\, snacks\, appropriate clothing and footwear\, camera\, etc.\n\n[integrate_google_drive id=”2″]
URL:https://iafi.org/event/barker-canyon-giant-cave-arch-rockshelter-field-trip-sat-nov-15th/
LOCATION:Dry Falls Visitor Center\, 35661 HWY 17 North\, Coulee City\, WA\, United States
CATEGORIES:Field Trip,Grand Coulee
ATTACH;FMTTYPE=image/png:https://iafi.org/wp-content/uploads/Barker-Canyon-Giant-Cave-Arch-Rockshelter.png
ORGANIZER;CN="Lower Grand Coulee Chapter":MAILTO:grandcoulee@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251117T190000
DTEND;TZID=America/Los_Angeles:20251117T203000
DTSTAMP:20260403T105206
CREATED:20251027T023810Z
LAST-MODIFIED:20251027T154548Z
UID:40899-1763406000-1763411400@iafi.org
SUMMARY:Puget Lobe Lecture: Jeff Tepper on the Initiation of the Cascade Arc
DESCRIPTION:  \n  \n            Dr. Jeff Tepper\nThe Cascade volcanic chain\, the world’s youngest continental arc\, was “born” shortly after accretion of the  Siletzia oceanic terrane ~50 My ago.   That collision\, which led to formation of the Olympics\, terminated the  earlier subduction system and caused a portion of the subducting Farallon slab to break off.  When Cascade  magmatism began less than 5 My later\, there was a new trench located outboard of Siletzia.  In this talk I will  present a new model\, based on petrology\, geochronology\, plate motion reconstructions\, and mantle tomography\,  that explains how subduction was initiated so quickly and in a setting where the slab was young and hot and in  theory too buoyant to subduct.  \n 
URL:https://iafi.org/event/puget-lobe-lecture-jeff-tepper-on-the-initiation-of-the-cascade-arc/
LOCATION:Bellevue College Building T Room 117\, 3000 Landerholm Cir SE\, Bellevue\, WA\, 98007\, United States
CATEGORIES:Lecture,Meeting,Puget Lobe
ORGANIZER;CN="Puget Lobe Chapter":MAILTO:pugetlobe@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251209T190000
DTEND;TZID=America/Los_Angeles:20251209T203000
DTSTAMP:20260403T105206
CREATED:20251126T050721Z
LAST-MODIFIED:20251126T050721Z
UID:41021-1765306800-1765312200@iafi.org
SUMMARY:Foster Creek and Foster Coulee: Insights on Ice Age Floods\, Glaciers\, and Lakes on the Waterville Plateau\, WA
DESCRIPTION:The Wenatchee Valley Erratics Chapter of the Ice Age Floods Institute will meet Tuesday\, December 9 at 7:00 PM\, at the Wenatchee Valley Museum and Cultural Center\, 127 S. Mission\, Wenatchee. Or via Zoom link: https://us02web.zoom.us/j/81855547958  Meeting ID: 818 5554 7958 \nKarl Lillquist will give our final live\, and Zoom\, presentation for 2025. Karl is a physical geographer\, who taught at Central Washington University until his retirement in summer of 2024. He will talk about “Foster Creek and Foster Coulee: Insights on Ice Age Floods\, Glaciers\, and Lakes on the Waterville Plateau\, WA.” \nPlease note! The Wenatchee Valley Erratics now has its own website: https://wverratics.org/ !
URL:https://iafi.org/event/foster-creek-and-foster-coulee-insights-on-ice-age-floods-glaciers-and-lakes-on-the-waterville-plateau-wa/
LOCATION:Wenatchee Valley Museum and Cultural Center\, 127 S. Mission\, Wenatchee\, WA\, United States
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/DSC03152-2017-3-26-Karl-Lillquist-in-Frenchman-Coulee-smr.jpg
ORGANIZER;CN="WENATCHEE VALLEY ERRATICS CHAPTER":MAILTO:wenatchee@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251210T130000
DTEND;TZID=America/Los_Angeles:20251210T140000
DTSTAMP:20260403T105206
CREATED:20251105T043450Z
LAST-MODIFIED:20251105T044707Z
UID:40952-1765371600-1765375200@iafi.org
SUMMARY:Mystery of the Channeled Scablands and the Two Detectives who Solved it.
DESCRIPTION:    The unique landscape of the Channeled Scablands was a mystery that baffled the first geologists who visited them over 100 years ago. Finding clues\, they unraveled the mystery that was unbelievable to their colleagues. After more than two decades of discovering more clues\, the theory that enormous floods had carved the scabland was finally accepted by most of the scientific community.  \nLloyd Stoess\, President of the Palouse Falls Chapter\, will take you on a journey following these two early detectives and the clues they found as well as what today’s detectives and the modern tools they are using to better understand our incredible landscape.
URL:https://iafi.org/event/mystery-of-the-channeled-scablands-and-the-two-detectives-who-solved-it/
LOCATION:Pomeroy Senior Center\, 695 Main St.\, Pomeroy\, WA\, United States
CATEGORIES:All IAFI,Palouse Falls,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Bjornstad-MosesCoulee-3DevilsCataract.jpg
ORGANIZER;CN="Palouse Falls Chapter":MAILTO:palousefalls@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260106T183000
DTEND;TZID=America/Los_Angeles:20260106T200000
DTSTAMP:20260403T105206
CREATED:20251230T015531Z
LAST-MODIFIED:20251230T015531Z
UID:41190-1767724200-1767729600@iafi.org
SUMMARY:An Introduction to the Missoula Floods
DESCRIPTION:Dr. Gary Ford\, president of the Ice Age Floods Institute\, will provide an introductory presentation of the Missoula Floods and reveal ho repeated\, cataclysmic floods during the last Ice Age carved a dramatic landscape through much of the Pacific Northwest. \nEvent: IAFI Lake Lewis January Member Meeting and Guest Lecture “An Introduction to the Missoula Floods” By Gary Ford\nDate: January 6\, 2026\nTime: Members Meeting: 6:30PM-7:00PM\, Lecture: 7:00PM – 8:00PM (PST)\n \nJoin Zoom Meeting\nhttps://us06web.zoom.us/j/87852702318?pwd=Ye0a71u5MbQUtry9qp6u2qSw79dqIa.1 \nMeeting ID: 878 5270 2318\nPasscode: 634508
URL:https://iafi.org/event/an-introduction-to-the-missoula-floods/
LOCATION:Zoom Meeting
CATEGORIES:Lake Lewis,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Gary-Ford-erratic-Crop.jpg
ORGANIZER;CN="Lake Lewis Chapter":MAILTO:lakelewis@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260210T180000
DTEND;TZID=America/Los_Angeles:20260210T200000
DTSTAMP:20260403T105206
CREATED:20260210T171712Z
LAST-MODIFIED:20260210T171712Z
UID:41614-1770746400-1770753600@iafi.org
SUMMARY:Bill Burgel - Geology in the Growth of the Railroad Industry
DESCRIPTION:Bill Burgel will give a presentation on the Synergy between the development of the science of Geology with the growth of the railroad industry with a short description of how it impacted BNSF’s Cascade Tunnel’s ventilation system. \nThe advent of the Industrial Revolution accelerated the development of the science of geology\, and the growth of the railroad industry closely followed. A quick look at both of these disciplines over the past 200 years reveals a fascinating back and forth which resulted in amazing advances for both. \nFor instance\, geologists found the coal and then the railroads transported this coal to locations where people worked and lived. And coal mines virtually dictated where the rail line should be built. Comparisons between the two efforts continue to the present day and Bill will outline some of the current challenges. \n  \nIn 1995\, Bill was heavily involved in the installation of a new ventilation system for BNSF’s Cascade Tunnel. Ventilation of the tunnel has been an issue since the first Cascade Tunnel opened in 1900. Bill will describe how BNSF ensures safe operations in the current (second) Cascade Tunnel\, the longest railroad tunnel in the United States. \nBill Burgel is a Professional Geologist Registered in Oregon and Idaho. He retired in 2015 after a successful 45-year career in the railroad industry. He worked for several railroads nationwide in both the engineering and operating departments. While working for the railroad\, his interest and training in geology was often called upon to resolve landslide issues and rerouting studies\, implement early earthquake warning strategies\, and conduct numerous long railroad tunnel analyses. Bill has given numerous presentations on rail issues as well as earthquake preparedness and topics pertaining to regional geology to local audiences throughout the Pacific Northwest and on cruise ships.
URL:https://iafi.org/event/bill-burgel-geology-in-the-growth-of-the-railroad-industry/
LOCATION:Wenatchee Valley Museum and Cultural Center\, 127 S. Mission\, Wenatchee\, WA\, United States
CATEGORIES:Presentation,Wenatchee
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/250px-Cascade_Tunnel1.jpg
ORGANIZER;CN="WENATCHEE VALLEY ERRATICS CHAPTER":MAILTO:wenatchee@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260220T190000
DTEND;TZID=America/Los_Angeles:20260220T200000
DTSTAMP:20260403T105206
CREATED:20260207T213841Z
LAST-MODIFIED:20260207T213841Z
UID:41584-1771614000-1771617600@iafi.org
SUMMARY:Cabin Fever Lecture! Glacial Ice History in Mission Valley and Vicinity
DESCRIPTION:Skye Cooley\nIt’s that time of the year! Time to contemplate ice-ages and glacial lakes. Time for the Glacial Lake Missoula Chapter of the Ice Age Floods Institute’s Cabin Fever Lecture!  Warm up your curiosity about glacial ice history in the Mission Valley with geologist Skye Cooley. \nAbout the Instructor: Skye Cooley is a Montana-based field geologist and geomorphologist specializing in quaternary geology\, paleosols (ancient soils)\, and GIS mapping\, currently focused on the Mission Valley. Based in Ronan\, MT\, he has a diverse background including contract mapping for the Idaho Geological Survey\, teaching at Boise State\, and serving as a soil scientist. \nDate: Friday\, February 20\nTime: 7:00 – 8:00 p.m.\nLocation: Montana Natural History Center\nCost: Free\, but please register. Donations accepted to cover the time of the MNHC personnel and meeting room. \nREGISTER HERE!
URL:https://iafi.org/event/cabin-fever-lecture-glacial-ice-history-in-mission-valley-and-vicinity/
LOCATION:Montana Natural History Center\, 120 Hickory Street\, Missoula\, MT
CATEGORIES:Lecture,Missoula
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260301T130000
DTEND;TZID=America/Los_Angeles:20260301T143000
DTSTAMP:20260403T105206
CREATED:20260227T073821Z
LAST-MODIFIED:20260227T074409Z
UID:41786-1772370000-1772375400@iafi.org
SUMMARY:Nick Zentner Pop-up Geology
DESCRIPTION:XLentCOOL happenings…\, a Rockstar \, geologist\, Nick Zentner\, Nick on the Rocks | PBS\, Science Outreach and Education Coordinator\, Central Washington University\, has announced a Pop-Up Geology program at 1pm on Sunday March 1st at Dry Falls Visitor Center. Folks are encouraged to bring a folding chair to enjoy a short lecture about Ice Age Flood Geology and learn about the unique features found at Dry Falls Heritage Area! \nOr watch it on YouTube – Pop-Up Geology this Sunday\, March 1\, 2026 at 1:00 pm! – YouTube \nThe last time Nick Zentner did a Pop-Up Geology event was on Sunday December 31st\, 2023 (New Year’s Eve). With only 48 hours’ notice\, we spontaneously had over 80 people arrive and enjoy the afternoon!  Some folks traveled as far as Portland\, OR for a chance to see Nick in person. Nick on the Rocks | Dry Falls | Season 1 | Episode 6 | PBS \nThe Dry Falls Visitor Center will be OPEN for the day. Interpretive Staff will be available for questions and information. We have been busy packing to move for the BIG renovation/rehabilitation project\, starting this Spring 2026. \n  \n  \n 
URL:https://iafi.org/event/nick-zentner-pop-up-geology/
LOCATION:Dry Falls Visitor Center\, 35661 HWY 17 North\, Coulee City\, WA\, United States
CATEGORIES:Education,Entertainment,Grand Coulee,Lecture
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/zPortrait-Nick-Zentner-e1455151472322-150x126-1.jpg
ORGANIZER;CN="WA State Parks%2C Dry Falls Visitor Center":MAILTO:David.McWalter@parks.wa.gov
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260302T190000
DTEND;TZID=America/Los_Angeles:20260302T203000
DTSTAMP:20260403T105206
CREATED:20260217T212735Z
LAST-MODIFIED:20260218T221425Z
UID:41157-1772478000-1772483400@iafi.org
SUMMARY:Puget Lobe Lecture: Getting a Feel for Ice Sheet Hydrology and Channeled Scabland Geomorphology
DESCRIPTION:            Dr. Joel Gombiner\nJoel Gombiner\, Washington Geological Survey\, “Getting a feel for ice sheet hydrology + Channeled Scabland geomorphology” \nThis presentation connects modern observations of ice sheet hydrology\, the geomorphology of the Channeled Scabland\, and recent publications on Washington’s Ice Age floods. The presentation consists of three parts: (1) an explanation of a new lidar-based\, semi-realistic oblique visualization and interpretive poster of Dry Falls (released 2025 by WGS); (2) an intuitive overview of ice sheet hydrology with visits to Greenland\, Iceland\, and Antarctica; (3) an update on recent Channeled Scabland science including evidence for subglacial tunnel channel floods from the Okanogan lobe and refined estimates of Missoula flood magnitudes.  \nThe in-person meeting will be held at Bellevue College T building Room 118 on Monday\, March 2\, 2026 at 7:00 PM.\nThe live presentation will also be available on Zoom. Click this link shortly before the meeting begins: https://us02web.zoom.us/j/82985244730
URL:https://iafi.org/event/puget-lobe-lecture-the-bonneville-flood-the-other-flood/
LOCATION:Bellevue College Building T Room 117\, 3000 Landerholm Cir SE\, Bellevue\, WA\, 98007\, United States
CATEGORIES:Lecture,Puget Lobe
ORGANIZER;CN="Puget Lobe Chapter":MAILTO:pugetlobe@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260303T184500
DTEND;TZID=America/Los_Angeles:20260303T200000
DTSTAMP:20260403T105206
CREATED:20260214T014239Z
LAST-MODIFIED:20260221T040802Z
UID:41681-1772563500-1772568000@iafi.org
SUMMARY:The Missoula Floods and the SVRP Aquifer
DESCRIPTION:The Lake Lewis chapter of the Ice Age Floods Institute will host a free Zoom lecture exploring the dramatic creation of the Spokane Valley – Rathdrum Prairie (SVRP) Aquifer! As part of our 2026 public lecture series exploring key features along the path of the Missoula Floods\, we’ll investigate the vast and vital groundwater system that continues to supply water to hundreds of thousands of people. We’ll explore the impact of the ancient floods on the creation of the SVRP and some of the unique qualities of this important resource. \nThis event is free to attend. You can also join and/or donate to IAFI through https://iafi.org/join-iafi/ or donate to the IAFI K-12 Education Grant Program through https://www.zeffy.com/en-US/donation-form/donate-to-iafi-k-12-education-grant-program. \nThe Zoom meeting details are below: \nJoin Zoom Meeting:\nhttps://us06web.zoom.us/j/86098163242?pwd=mtywXwg321VtUNvAogFYx5xnK8aF13.1 \nMeeting ID: 860 9816 3242\nPasscode: 488690
URL:https://iafi.org/event/the-missoula-floods-and-the-svrp-aquifer/
LOCATION:Zoom Meeting
CATEGORIES:Activity,Education,Lake Lewis,Lecture,Meeting
ORGANIZER;CN="Lake Lewis Chapter":MAILTO:lakelewis@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260310T180000
DTEND;TZID=America/Los_Angeles:20260310T193000
DTSTAMP:20260403T105206
CREATED:20260224T193857Z
LAST-MODIFIED:20260224T193857Z
UID:41757-1773165600-1773171000@iafi.org
SUMMARY:The Ice Age Floods History of the Cheney Area
DESCRIPTION:The landscape upon which the town of Cheney has been built bears silent witness to one of the greatest series of catastrophic floods that has ever been documented on our planet. In this talk\, we delve into how the leading scientists\, both past and present\, have interpreted this landscape as a consequence of one immense glacial lake pouring into another glacial lake\, which then overflowed and breached the southern shoreline to create the vast channeled scablands.  \nPresented by Dr. Linda McCollum\, professor emeritus of geosciences at EWU and president of the Ice Age Floods Institute (IAFI)\, Cheney-Spokane Chapter \nRegistration is required.
URL:https://iafi.org/event/ice-age-floods-history-cheney-2026/
LOCATION:Cheney Community Library\, 610 1st St\, Cheney\, WA\, 99004
CATEGORIES:Cheney-Spokane,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Linda-McCollum-e1705046318535.jpg
ORGANIZER;CN="Cheney-Spokane Chapter":MAILTO:iaficheneyspokane@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260314T090000
DTEND;TZID=America/Los_Angeles:20260314T160000
DTSTAMP:20260403T105206
CREATED:20260108T014937Z
LAST-MODIFIED:20260205T202508Z
UID:41266-1773478800-1773504000@iafi.org
SUMMARY:Free STEAM Workshops for K–12 Educators - The Dalles\, OR
DESCRIPTION:Every student in the Northwest should experience the incredible science story of the megafloods that shaped our landscape and history. To help bring this story to life\, the Ice Age Floods Institute\, Engaging Every Student\, and our partners are excited to invite K–12 educators to free special training events. Thanks to support from the Avista Foundation\, we are offering free hybrid workshops where you will gain access to valuable resources designed to inspire students to investigate their local environment. \nNew Curriculum Resources\nParticipants will explore a new Ice Age Floods Detectives phenomena-based curriculum with supporting presentations targeted to 4th grade\, as well as hands-on investigations from the National Park Service’s Investigating Ice Age Floods curriculum. Both explore the megafloods that shaped the Northwest and are adaptable for grades K–12 \nFree STEAM Workshops for K–12 Educators Details (In-person with options to join us via Zoom): \n\nLocation:\n\nThe Dalles\, OR: Sat.\, Mar. 14\, 2026 (register here: tinyurl.com/yxw9haet)\n\n\nFeaturing:\n\n\nEngaging classroom and field-based activities\, including exciting ways to model Floods phenomena\nStories of the megafloods that transformed the Northwest 18\,000–12\,000 years ago at the end of the Last Glacial Period\nUp to 7 Washington STEM Clock Hours and/or PDUs for license renewal in Oregon and other states\n\n\nSchedule: All workshops 9:00 am–4:00 pm (or half day)\n\n9:00–12:00 | Interactive workshop featuring new Ice Age Floods Discovery curriculum: targeted to grade 4 and adaptable for K–12\n12–12:30 | Working lunch (provided)\n12:30–3:30 | Interactive workshop featuring Investigating Ice Age Floods curriculum adaptable for grades K–12\n3:00 or 3:30–4:00 | Nearby interpretive field studies with experts\n\n\nCost:\n\nFree\nIce Age Floods Institute mini-Grants available \n\nTo cover materials\, transportation\, STEM clock hour fee\, etc.\nLearn more: iafi.org/k-12grants.\n\n\n\n\n\n\nHelp Spread the Word: We encourage you to share this informative Ice Age Floods Workshops flyer with other educators to let them know about this opportunity!  \nFor questions\, comments\, or ideas on where we might offer additional training\, please contact Rick Reynolds\, M.S.Ed.\, at rick@engagingeverystudent.com. Thanks for your interest and all you do to inspire our students to investigate our environment! \n  \n 
URL:https://iafi.org/event/free-steam-workshops-for-k-12-educators-the-dalles/
LOCATION:Columbia Gorge Discovery Center\, 5000 Discovery Dr.\, The Dalles\, OR\, 97058\, United States
CATEGORIES:Education,Workshop
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/IAFI-Logo-HighResSqx300.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260314T100000
DTEND;TZID=America/Los_Angeles:20260314T150000
DTSTAMP:20260403T105206
CREATED:20260127T195743Z
LAST-MODIFIED:20260205T204110Z
UID:41379-1773482400-1773500400@iafi.org
SUMMARY:Combined Chapter Hike – Escure Ranch / Towell Falls
DESCRIPTION:The Palouse Falls and Cheney-Spokane Chapters of the IAFI invite you to a hike at Escure Ranch on the BLM Rock Creek Recreation Site on Saturday\, March 14. The hike will start at 10:00 a.m. It will be led by Don Chadbourne\, geologist and board member of the Cheney-Spokane Chapter\, and Lloyd Stoess\, president of the Palouse Falls Chapter. You will meet the leaders at the trailhead. \nDescription of the Escure Ranch Hike\nThe hike will begin and end at the Escure Ranch parking area\, of the Bureau of Land Management\, Rock Creek Recreation site. The hike will follow an old ranch road to Towell Falls and return on the same route. The out and back hike will be about 6.5 miles.  The trail is mostly double track over dirt and rock\, with an elevation gain and loss of about 160 feet.  The hike is a pleasant trek through a remote scabland canyon.  Features will include rock benches and basins\, flood bars\, Mima mounds\, mesas and waterfalls.  This hike is included in the book\, On the Trail of the Ice Age Floods – Northern Reaches\, by Bjornstad & Kiver.   \nDirections to the trailhead will be provided to hikers after registration. \nClick on the Register button to sign up for the hike. The hike will be limited to 30 hikers. \nItems to bring with you: appropriate shoes\, day pack\, water\, snacks\, appropriate clothing for changes in the weather\, sun protection\, emergency items\, camera and binoculars. Walking poles will be helpful. \nThe hike is free; however\, donations for support of Chapter activities will be accepted. \nFor additional questions\, contact Don at 509-891-5875\, or Lloyd at 509-954-3927. \n \n \nMap available for download: 11 x 17 LIDAR map of Escure Ranch Area showing our hiking route to Towell Falls (downloadable PDF)
URL:https://iafi.org/event/combined-chapter-hike-escure-ranch-towell-falls/
LOCATION:Escure Ranch\, Washington\, 99125
CATEGORIES:Activity,Cheney-Spokane,Field Trip,Hike,Palouse Falls
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Logo-Cheney-Spokane-HighRes-Sq.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260320T063000
DTEND;TZID=America/Los_Angeles:20260322T210000
DTSTAMP:20260403T105206
CREATED:20260210T053739Z
LAST-MODIFIED:20260210T053739Z
UID:41602-1773988200-1774213200@iafi.org
SUMMARY:Sandhill Crane Festival
DESCRIPTION:At the Sandhill Crane Festival\, March 20-22\, 2026 in the beautiful Columbia Basin\, Othello\, WA\, you’ll have the chance to explore the Ice Age Floods story through presentations and field trips\, and see thousands of Sandhill Cranes\, ducks\, and geese as they gather against the stunning backdrop of the Saddle Mountains and sprawling cornfields. There is a fantastic lineup of geology and wildlife viewing opportunities\, along with engaging talks\, fun tours\, hikes\, and workshops for everyone to enjoy. \n \nRegistration is now open with a registration deadline of March 15 at noon (No refunds after this date).\nAll Events are offered on a first-come\, first-served basis. Reservations are filled in the order received.\nPlease note\, Lectures\, tours and hike participants must purchase a General Admission Ticket for $10.00.
URL:https://iafi.org/event/sandhill-crane-festival/
LOCATION:Othello\, WA\, WA\, 99344\, United States
CATEGORIES:All IAFI,Booth,Field Trip,Hike,Lecture,Workshop
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Sandhill-Crane-Festival.jpg
ORGANIZER;CN="Othello Sand Hill Crane Festival":MAILTO:othellocranefest@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260320T170000
DTEND;TZID=America/Los_Angeles:20260320T180000
DTSTAMP:20260403T105206
CREATED:20260216T045921Z
LAST-MODIFIED:20260216T045921Z
UID:41696-1774026000-1774029600@iafi.org
SUMMARY:Mega-Floods of the World - The Legacy of Dr. Bretz' Work
DESCRIPTION:Researchers have established\, based on the pioneering work of Dr. J Harlen Bretz and JT Pardee\, that over 140 Ancient Mega-Flood\, including Noah’s Flood are discussed in oral traditions worldwide. Professional geologist Bill Burgel will briefly discuss how the research related to the Missoula Floods and Bonneville Flood has opened up the possibility of mega-floods being the most likely explanation for the formation of the Mediterranean Sea\, the Persian Gulf\, The Bosphorus Straits\, the English Channel\, Chimu in Peru and the floodwaters on Mars. Mega-flood events are also being cited for the draining of Glacial Lake Agassiz\, Glacial Lake Iroquois and the Grand Canyon of the Yellowstone. 
URL:https://iafi.org/event/mega-floods-of-the-world-the-legacy-of-dr-bretz-work/
LOCATION:Ritzville Public Library\, 302 West Main Street\, Ritzville\, Washington\, 99169
CATEGORIES:Activity,All IAFI,Palouse Falls,Presentation
ORGANIZER;CN="Palouse Falls Chapter":MAILTO:palousefalls@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260321T100000
DTEND;TZID=America/Los_Angeles:20260321T110000
DTSTAMP:20260403T105206
CREATED:20260212T043507Z
LAST-MODIFIED:20260212T043507Z
UID:41653-1774087200-1774090800@iafi.org
SUMMARY:Mega Floods\, Ice Ages\, Volcanic Eruptions\, Earthquakes\, and other things that could keep you awake at night but probably shouldn't
DESCRIPTION:This presentation will begin by defining what an Ice Age is and then looking at our dynamic planet and those major events that can lead to dramatic temperature changes. Also included will be a look at hazards here in the Pacific Northwest and why they occur.
URL:https://iafi.org/event/mega-floods-ice-ages-volcanic-eruptions-earthquakes-and-other-things-that-could-keep-you-awake-at-night-but-probably-shouldnt/
LOCATION:McFarland Middle School\, 790 S. 10th Avenue\, Othello\, Washington\, 99344\, United States
CATEGORIES:Activity,All IAFI,Palouse Falls,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/4384-8-85.jpg
ORGANIZER;CN="Othello Sand Hill Crane Festival":MAILTO:othellocranefest@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260322T081500
DTEND;TZID=America/Los_Angeles:20260322T160000
DTSTAMP:20260403T105206
CREATED:20260212T052927Z
LAST-MODIFIED:20260212T052927Z
UID:41662-1774167300-1774195200@iafi.org
SUMMARY:Moses Coulee Field Trip
DESCRIPTION:This field trip will head north from Othello along the eastern edge of the Quincy Basin with stops on the Ephrata Fan and Soap Lake at the mouth of Grand Coulee. Moses Coulee parallels Grand Coulee to the west and has puzzled scientists to this day. Several plausible explanations to its origins have been proposed. This off-the-beat coulee is always a surprise to first time visitors.  \nOn the way back to Othello\, there will be stops at Potholes Coulee and Drumheller Channels which were two of the four outlets for the Missoula Floods exiting the Quincy Basin.  \nGo to www.othellosandhillcranefestival.com to sign up for this trip.
URL:https://iafi.org/event/moses-coulee-field-trip/
LOCATION:McFarland Middle School\, 790 S. 10th Avenue\, Othello\, Washington\, 99344\, United States
CATEGORIES:Activity,All IAFI,Field Trip,Palouse Falls
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Moses-Coulee-Ice-Age1.jpg
ORGANIZER;CN="Othello Sand Hill Crane Festival":MAILTO:othellocranefest@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260324T180000
DTEND;TZID=America/Los_Angeles:20260324T193000
DTSTAMP:20260403T105206
CREATED:20260224T194930Z
LAST-MODIFIED:20260224T200639Z
UID:41759-1774375200-1774380600@iafi.org
SUMMARY:Dating Erratic Boulders: How Long Ago Were the Floods?
DESCRIPTION:How do geologists know when the ice age floods actually occurred in the Spokane area? One method is to date the large flood-rafted erratic boulders. We explore the ages of the floods and the methods used to determine their dates and present newly gathered dates from the Spokane region revealing when the floods happened.  \nPresented by Glenn Cruickshank\, vice president of the Ice Age Floods Institute (IAFI)\, Cheney-Spokane Chapter \nRegistration is required.
URL:https://iafi.org/event/dating-erratic-boulders-2026/
LOCATION:Deer Park Library\, 208 S Forest Ave\, Deer Park\, WA\, 99006
CATEGORIES:Cheney-Spokane,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Glacial-Erratics-Hwy-200.jpg
ORGANIZER;CN="Cheney-Spokane Chapter":MAILTO:iaficheneyspokane@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260328T090000
DTEND;TZID=America/Los_Angeles:20260328T160000
DTSTAMP:20260403T105206
CREATED:20260214T010409Z
LAST-MODIFIED:20260221T065709Z
UID:41676-1774688400-1774713600@iafi.org
SUMMARY:Geology of the Tri-Cities Field Trip
DESCRIPTION:The Lake Lewis Chapter of the Ice Age Floods Institute is sponsoring an informal (carpool) field trip focus on the geology in and around Richland\, Washington.  \nWe will leave from the southwest portion of the Richland Community Center (500 Amon Park Dr.\, Richland\, WA 99352) parking lot (nearest to Wake-Up Coffee House).  Please try to arrive by 8:45 AM so that we can get organized into as few vehicles as possible and be ready to leave by 9:00 am.  We will try to get back around 3:30 or 4:00 pm. \nThis field trip will examine the geologic materials\, processes\, and history of the Tri-City area\, including exposures of the massive Columbia River basalts\, ancestral Columbia River and Yakima River deposits (including the Ringold Formation)\, old sequences of Ice Age flood deposits (some greater than 780\,000 years old)\, as well as young Ice Age flood deposits and loess exposed at the  Coyote Canyon Mammoth Site.  There will be 5 or 6 main stops\, with some cross-country hiking (up to 1.3 miles) on unimproved game trails.  Some areas are pretty steep\, with uneven terrain and loose gravel\, presenting slip\, trip and fall hazards.  Other physical hazards can also be present in places\, including rusty nails\, glass\, sharp metal\, wood\, and masonry debris.  There is also the potential for biological hazards such as ticks\, yellowjackets\, black widows\, scorpions\, rattlesnakes\, and the ever-present cheat grass.  \nPlease bring a lunch\, snacks\, water\, etc. and be sure to dress appropriately for the weather conditions and for walking in uneven terrain.  Wear sturdy shoes (no open toes\, sandals\, or flip-flops!)\, bring an extra layer of clothing\, and be prepared for wind\, rain\, or sun.  If it’s sunny and hot\, you’ll need a hat and sunscreen.  Oh\, and be sure to bring a camera! \nThe field trip is free.  However\, carpooling and ride cost sharing are encouraged.  You can also join and/or donate to IAFI through https://iafi.org/join-iafi/ or donate to the IAFI K-12 Education Grant Program through https://www.zeffy.com/en-US/donation-form/donate-to-iafi-k-12-education-grant-program. \nPlease contact George Last (gvlast@charter.net) if you would like to attend or if you have any questions.
URL:https://iafi.org/event/geology-of-the-tri-cities-field-trip/
LOCATION:Richland Community Center\, 500 Amon Park Dr\, Richland\, WA\, 99352\, United States
CATEGORIES:Activity,Field Trip,Lake Lewis
ORGANIZER;CN="Lake Lewis Chapter":MAILTO:lakelewis@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260404T130000
DTEND;TZID=America/Los_Angeles:20260404T150000
DTSTAMP:20260403T105206
CREATED:20260212T054710Z
LAST-MODIFIED:20260212T060315Z
UID:41667-1775307600-1775314800@iafi.org
SUMMARY:Cheney-Spokane Chapter Hike – Palisades Park 2026
DESCRIPTION:The 3-mile hike will be led by IAFICS board member geologist Michael Hamilton. It will take place along Rimrock Drive\, which has spectacular views of Spokane and the Spokane Valley. The Glacial Outburst Flood Story will include a lot of “arm-waving\,” pointing out flood features both along the trail and with views to the east. The geology discussion will include details of another kind of flood that hit the Spokane area 14 million years ago. The hike will then cut to the west along one of the park’s trails to find mysterious Mima mounds\, and then loop back to the parking area. \n  \n \n \n 
URL:https://iafi.org/event/cheney-spokane-chapter-hike-palisades-park-2026/
LOCATION:Palisades Park\, 2-198 S Rimrock Dr\, Spokane\, WA\, 99224\, United States
CATEGORIES:Activity,Cheney-Spokane,Field Trip,Hike
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Palisades-Park-View.jpg
ORGANIZER;CN="Cheney-Spokane Chapter":MAILTO:iaficheneyspokane@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260411T100000
DTEND;TZID=America/Los_Angeles:20260411T150000
DTSTAMP:20260403T105206
CREATED:20260224T003540Z
LAST-MODIFIED:20260401T165125Z
UID:41749-1775901600-1775919600@iafi.org
SUMMARY:Lower Crab Creek Field Trip—Saturday 11 April—10am to ~3p
DESCRIPTION:Field Trip Leader: Karl Lillquist\, Emeritus Professor\, Geography Department\, CWU \n What’s so cool about lower Crab Creek?  Crab Creek is a perennial stream with headwaters not far from Spokane!  It flows over 160 miles through semiarid eastern and central Washington to join the Columbia River just south of Beverly.  Lower Crab Creek lies in a broad coulee adjacent to the towering faulted and folded Saddle Mountains.  Ice Age floods from two directions scoured the coulee walls.  More recent rockfall and landslide deposits veneer the coulee walls\, and sand dunes and salt flats blanket the coulee floor.  Native Americans have long frequented the river and shrub steppe environments of the area.  In the past 150 years\, the landscape has been altered by the coming of the railroad and by large scale irrigation.  Currently\, the area is a mecca for outdoor-minded folks included hunters\, fishers\, nature lovers\, cyclists\, and off road vehicle enthusiasts. \nOver the day\,  we will explore: \n1) the tectonic  origins of Crab Creek “Coulee” and the Saddle Mountains; \n2) impacts of Ice Age flooding on the area; \n3) formation of prominent rockfall and landslides from the Saddle Mountains; and \n4) how geology\, weather and climate\, and human activity have shaped sand dunes and salt flats in the area.\nThe trip will conclude around 3pm giving participants plenty of time to get back to Ellensburg for Nick Zentner’s lecture.   \nWhat’s the plan for the day?\n10:00am           Stop 1—Beverly—geology and geography overview; Ice Age floods\n11:00                   Depart\n11:15                  Stop 2—Beverly Sand Dunes—weather\, dunes\, ORV’s\, salt flats & Crab Creek\n12:00 pm          Depart\n12:15                  Stop 3—Smyrna Ice Cave—faulting\, talus\, cold air drainage & human uses of talus\n1:00                     Depart\n1:15                     Stop 4—West of Smyrna—landslides\n2:00                     Depart\n2:15                     Stop 5—Red Rock Coulee—Ice Age floods\n3:00                     Depart \nWhere to meet and park?   We will meet on the east end of the Chicago\, Milwaukee\, St. Paul & Pacific railroad bridge in Beverly at 10:00am.  The bridge and the old railroad right of way are now part of the Palouse to Cascades Trail.  This trail forms the northern boundary of the town of Beverly and is our first stop.  Beverly is located about 10 miles south of Vantage along the Columbia River.  To get there from WA 243\, take a left and head east on Lower Crab Creek Road for just under 0.2 mi.  Turn left onto Seattle Street and drive north for ~0.2 mi to a trailhead just south of the Palouse to Cascade Trail.  Park here or along Seattle Street\, 1st Avenue SW\, or Main Street.  Make sure to pull off the streets as far as possible and don’t block resident’s driveways. \nWhat are the trip logistics and costs?  All Ellensburg IAFI field trips are free of charge and involve participants driving their own vehicles to the various stops.  Most trips involve several short walks or hikes.  We may cross barbed wire fences\, and walk over uneven terrain and through dryland vegetation.  There are limited restrooms scattered along our route.  There’s no need to reserve a place on the field trip—just show up!  We provide a free digital copy of the field guide for you to download or print out (see “Field Guides” near the bottom of my CWU website => https://www.cwu.edu/academics/geography/_documents/karl-lillquist.php).  I will post the Lower Crab Creek field guide on my website on about Monday 6 April.  Due to budget constraints\, hardcopies of the field guide will now only be available by prior request and subsequent donation (suggested $15).  If you want a full color\, hardcopy of the ~40 page field guide\, email me at lillquis@cwu.edu to let me know how many copies you would like.  I will place my order for hardcopies by 8:00am Monday 6 April so if you want a hardcopy\, please get your request in before that day.  Pick up your copy and make your donation to IAFI at Stop 1 on the field trip. \nHope you can join us! 
URL:https://iafi.org/event/lower-crab-creek-field-trip/
LOCATION:CMSP&P Bridge\, Beverly\, WA\, 46.83539588686751\, -119.93816967222578\, Beverly\, WA\, United States
CATEGORIES:Ellensburg,Field Trip
ATTACH;FMTTYPE=image/webp:https://iafi.org/wp-content/uploads/Karl-Lillquist-Portrait.webp
ORGANIZER;CN="Karl Lillquist":MAILTO:outreach@geology.cwu.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260418T090000
DTEND;TZID=America/Los_Angeles:20260419T160000
DTSTAMP:20260403T105206
CREATED:20260328T222100Z
LAST-MODIFIED:20260328T222813Z
UID:41869-1776502800-1776614400@iafi.org
SUMMARY:29th Lakeside Gem & Mineral Show - April 18-19
DESCRIPTION:It’s less than a month away!  The members of the Lakeside Gem & Mineral Club invite all to our 29th Annual Gem and Mineral show April 18-19. Join us at the Benton County Fairgrounds Building #2 in Kennewick.  \nThe enlarged show features 19 dealers\, 36 member displays\, demonstrations\, kid activities\, door prizes\, silent auctions\, geode cracking\, and much more. Come see precious gemstones\, minerals\, jewelry\, fossils\, meteorites\, special exhibits\, local collections\, and of course\, ROCKS! \nAdults $5.00; children under 14 are free. It’s a fun family event. We hope to see you there! \n 
URL:https://iafi.org/event/29th-lakeside-gem-mineral-show-april-18-19/
LOCATION:Benton County Fairgounds\, 1500 S. Oak\, Kennewick\, WA\, United States
CATEGORIES:Meeting
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Lakeside-Gem-Mineral-Club-Logo.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260612T130000
DTEND;TZID=America/Los_Angeles:20260612T143000
DTSTAMP:20260403T105206
CREATED:20260226T042340Z
LAST-MODIFIED:20260226T042340Z
UID:41772-1781269200-1781274600@iafi.org
SUMMARY:Athol: Introduction to the Ice Age Floods and the National Geologic Trail
DESCRIPTION:Details to come. \nPresented by Don Chadbourne\, geologist and board member of the Ice Age Floods Institute (IAFI)\, Cheney-Spokane Chapter \nRegistration is required. It will be linked here as soon as it has been posted to the library website. https://communitylibrary.net/library/athol/
URL:https://iafi.org/event/intro-to-the-ice-age-floods-trail/
LOCATION:Athol Library\, 30399 3rd St\, Athol\, ID\, 83801
CATEGORIES:Cheney-Spokane,Presentation
ATTACH;FMTTYPE=image/webp:https://iafi.org/wp-content/uploads/IAF-NGT-Trail-Map-Sites.webp
ORGANIZER;CN="Cheney-Spokane Chapter":MAILTO:iaficheneyspokane@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260616T163000
DTEND;TZID=America/Los_Angeles:20260616T180000
DTSTAMP:20260403T105206
CREATED:20260226T043609Z
LAST-MODIFIED:20260226T043609Z
UID:41780-1781627400-1781632800@iafi.org
SUMMARY:Harrison: Introduction to the Ice Age Floods and the National Geologic Trail
DESCRIPTION:Details to come. \nPresented by Don Chadbourne\, geologist and board member of the Ice Age Floods Institute (IAFI)\, Cheney-Spokane Chapter \nRegistration is required. It will be linked here as soon as it has been posted to the library website. https://communitylibrary.net/library/harrison/
URL:https://iafi.org/event/harrison-intro-to-the-ice-age-floods-and-the-national-geologic-trail/
LOCATION:Harrison Library\, 111 S Coeur d’Alene Avenue\, Harrison\, ID\, 83833
CATEGORIES:Cheney-Spokane,Presentation
ATTACH;FMTTYPE=image/webp:https://iafi.org/wp-content/uploads/IAF-NGT-Trail-Map-Sites.webp
ORGANIZER;CN="Cheney-Spokane Chapter":MAILTO:iaficheneyspokane@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260622T090000
DTEND;TZID=America/Los_Angeles:20260622T160000
DTSTAMP:20260403T105206
CREATED:20260108T020128Z
LAST-MODIFIED:20260205T203934Z
UID:41272-1782118800-1782144000@iafi.org
SUMMARY:Free STEAM Workshops for K–12 Educators - Richland\, WA
DESCRIPTION:Every student in the Northwest should experience the incredible science story of the megafloods that shaped our landscape and history. To help bring this story to life\, the Ice Age Floods Institute\, Engaging Every Student\, and our partners are excited to invite K–12 educators to free special training events. Thanks to support from the Avista Foundation\, we are offering free hybrid workshops where you will gain access to valuable resources designed to inspire students to investigate their local environment. \nNew Curriculum Resources\nParticipants will explore a new Ice Age Floods Detectives phenomena-based curriculum with supporting presentations targeted to 4th grade\, as well as hands-on investigations from the National Park Service’s Investigating Ice Age Floods curriculum. Both explore the megafloods that shaped the Northwest and are adaptable for grades K–12 \nFree STEAM Workshops for K–12 Educators Details (In-person with options to join us via Zoom): \n\nLocation:\n\nRichland\, WA: Mon.\, June 22\, 2026 (register here: tinyurl.com/zbrhtpht)\n\n\nFeaturing:\n\n\nEngaging classroom and field-based activities\, including exciting ways to model Floods phenomena\nStories of the megafloods that transformed the Northwest 18\,000–12\,000 years ago at the end of the Last Glacial Period\nUp to 7 Washington STEM Clock Hours and/or PDUs for license renewal in Oregon and other states\n\n\nSchedule: All workshops 9:00 am–4:00 pm (or half day)\n\n9:00–12:00 | Interactive workshop featuring new Ice Age Floods Discovery curriculum: targeted to grade 4 and adaptable for K–12\n12–12:30 | Working lunch (provided)\n12:30–3:30 | Interactive workshop featuring Investigating Ice Age Floods curriculum adaptable for grades K–12\n3:00 or 3:30–4:00 | Nearby interpretive field studies with experts\n\n\nCost:\n\nFree\nIce Age Floods Institute mini-Grants available \n\nTo cover materials\, transportation\, STEM clock hour fee\, etc.\nLearn more: iafi.org/k-12grants.\n\n\n\n\n\n\nHelp Spread the Word: We encourage you to share this informative Ice Age Floods Workshops flyer with other educators to let them know about this opportunity!  \nFor questions\, comments\, or ideas on where we might offer additional training\, please contact Rick Reynolds\, M.S.Ed.\, at rick@engagingeverystudent.com. Thanks for your interest and all you do to inspire our students to investigate our environment! \n  \n 
URL:https://iafi.org/event/free-steam-workshops-for-k-12-educators-richland-wa/
LOCATION:The Reach Museum\, 1943 Columbia Park Trl \, WA\, Richland\, WA\, 99352\, United States
CATEGORIES:Education,Workshop
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/IAFI-Logo-HighResSqx300.jpg
ORGANIZER;CN="Lake Lewis Chapter":MAILTO:lakelewis@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260624T090000
DTEND;TZID=America/Los_Angeles:20260624T160000
DTSTAMP:20260403T105206
CREATED:20260108T015634Z
LAST-MODIFIED:20260205T203056Z
UID:41269-1782291600-1782316800@iafi.org
SUMMARY:Free STEAM Workshops for K–12 Educators - Spokane\, WA
DESCRIPTION:Every student in the Northwest should experience the incredible science story of the megafloods that shaped our landscape and history. To help bring this story to life\, the Ice Age Floods Institute\, Engaging Every Student\, and our partners are excited to invite K–12 educators to free special training events. Thanks to support from the Avista Foundation\, we are offering free hybrid workshops where you will gain access to valuable resources designed to inspire students to investigate their local environment. \nNew Curriculum Resources\nParticipants will explore a new Ice Age Floods Detectives phenomena-based curriculum with supporting presentations targeted to 4th grade\, as well as hands-on investigations from the National Park Service’s Investigating Ice Age Floods curriculum. Both explore the megafloods that shaped the Northwest and are adaptable for grades K–12 \nFree STEAM Workshops for K–12 Educators Details (In-person with options to join us via Zoom): \n\nLocation:\n\nSpokane\, WA: Mon.\, June 24\, 2026 (register here: tinyurl.com/y78vcde9)\n\n\nFeaturing:\n\n\nEngaging classroom and field-based activities\, including exciting ways to model Floods phenomena\nStories of the megafloods that transformed the Northwest 18\,000–12\,000 years ago at the end of the Last Glacial Period\nUp to 7 Washington STEM Clock Hours and/or PDUs for license renewal in Oregon and other states\n\n\nSchedule: All workshops 9:00 am–4:00 pm (or half day)\n\n9:00–12:00 | Interactive workshop featuring new Ice Age Floods Discovery curriculum: targeted to grade 4 and adaptable for K–12\n12–12:30 | Working lunch (provided)\n12:30–3:30 | Interactive workshop featuring Investigating Ice Age Floods curriculum adaptable for grades K–12\n3:00 or 3:30–4:00 | Nearby interpretive field studies with experts\n\n\nCost:\n\nFree\nIce Age Floods Institute mini-Grants available \n\nTo cover materials\, transportation\, STEM clock hour fee\, etc.\nLearn more: iafi.org/k-12grants.\n\n\n\n\n\n\nHelp Spread the Word: We encourage you to share this informative Ice Age Floods Workshops flyer with other educators to let them know about this opportunity!  \nFor questions\, comments\, or ideas on where we might offer additional training\, please contact Rick Reynolds\, M.S.Ed.\, at rick@engagingeverystudent.com. Thanks for your interest and all you do to inspire our students to investigate our environment! \n  \n 
URL:https://iafi.org/event/free-steam-workshops-for-k-12-educators-spokane/
LOCATION:Shadle Park Library Maker Studio\, 2111 W. Wellesley Ave.\, Spokane\, WA\, United States
CATEGORIES:Education,Workshop
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/IAFI-Logo-HighResSqx300.jpg
ORGANIZER;CN="Cheney-Spokane Chapter":MAILTO:iaficheneyspokane@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260707T130000
DTEND;TZID=America/Los_Angeles:20260707T133000
DTSTAMP:20260403T105206
CREATED:20260226T041208Z
LAST-MODIFIED:20260226T042733Z
UID:41766-1783429200-1783431000@iafi.org
SUMMARY:Hayden: Dating Erratic Boulders: How Long Ago Were the Floods?
DESCRIPTION:How do geologists know when the ice age floods actually occurred in the Spokane area? One method is to date the large flood-rafted erratic boulders. We explore the ages of the floods and the methods used to determine their dates and present newly gathered dates from the Spokane region revealing when the floods happened.  \nPresented by Glenn Cruickshank\, vice president of the Ice Age Floods Institute (IAFI)\, Cheney-Spokane Chapter\, and Dr. Jim O’Connor\, USGS \nRegistration is required. It will be linked here as soon as it has been posted to the library website.
URL:https://iafi.org/event/dating-erratic-boulders-how-long-ago-were-the-floods-hayden/
LOCATION:Hayden Library\, 8385 N Government Wy\, Hayden Lake\, ID\, 83835
CATEGORIES:Cheney-Spokane,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Glacial-Erratics-Hwy-200.jpg
ORGANIZER;CN="Cheney-Spokane Chapter":MAILTO:iaficheneyspokane@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260714T150000
DTEND;TZID=America/Los_Angeles:20260714T163000
DTSTAMP:20260403T105206
CREATED:20260226T041356Z
LAST-MODIFIED:20260226T042533Z
UID:41768-1784041200-1784046600@iafi.org
SUMMARY:Rathdrum: Dating Erratic Boulders: How Long Ago Were the Floods?
DESCRIPTION:How do geologists know when the ice age floods actually occurred in the Spokane area? One method is to date the large flood-rafted erratic boulders. We explore the ages of the floods and the methods used to determine their dates and present newly gathered dates from the Spokane region revealing when the floods happened.  \nPresented by Glenn Cruickshank\, vice president of the Ice Age Floods Institute (IAFI)\, Cheney-Spokane Chapter \nRegistration is required. It will be linked here as soon as it has been posted to the library website.
URL:https://iafi.org/event/dating-erratics-how-long-ago-were-the-floods-rathdrum/
LOCATION:Rathdrum Library\, 16320 ID-41\, Rathdrum\, ID\, 83858
CATEGORIES:Cheney-Spokane,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Glacial-Erratics-Hwy-200.jpg
ORGANIZER;CN="Cheney-Spokane Chapter":MAILTO:iaficheneyspokane@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260721T130000
DTEND;TZID=America/Los_Angeles:20260721T143000
DTSTAMP:20260403T105206
CREATED:20260226T044918Z
LAST-MODIFIED:20260226T044918Z
UID:41783-1784638800-1784644200@iafi.org
SUMMARY:Spirit Lake: The Ice Age Missoula floods and the Spirit Lake giant current dune field
DESCRIPTION: Giant Current Dunes or MegaRipple Marks – One of Bretz’ most important pieces of evidence for catastrophic flooding was the “giant current dunes.” These large-scale bedforms appeared as patterns of parallel ridges and swales on many aerial photographs in the flood channels in the scabland of Washington\, but had escaped recognition from the ground because of their size.  \nGiant Current Dunes are visible west of Clark Fork near Castle Rock; however\, the most prominent and visible Giant Current Dunes are located several miles east of Spirit Lake along Hwy 54 where the highway cuts through the dunes showing their undulating profile. The location of many of the telephone poles on the crest of these dunes accentuates these landforms. The dunes form transverse to the current direction\, and form cusps that are convex upstream\, with arms that point downstream. Furthermore\, the size of the cusps appears to decrease in the direction of lower velocity. Internally\, the dunes consist of gravel and pebble foresets. \nGiant current dunes exhibit an asymmetrical profile with the downstream (lee) slope steeper than the upstream slope. Crests range from 20 to 200m apart and heights range from 1 to 15m (Baker and Nummedal\, 1978) and are among the largest measured throughout the Floods area. The Spirit Lake current dunes can also be easily recognized from the air by their characteristic pattern\, accentuated by vegetation. This dune field is immediately in the path of the breakout from Lake Pend Oreille\, and experienced some of the highest energy flows. \nPresented by Dr. Linda McCollum\, president of the Ice Age Floods Institute (IAFI)\, Cheney-Spokane Chapter \nRegistration is required. It will be linked here as soon as it has been posted to the library website (https://communitylibrary.net/library/spirit-lake/).
URL:https://iafi.org/event/spirit-lake-floods-and-current-dune-field/
LOCATION:Spirit Lake Library\, 32575 N 5th Ave\, Spirit Lake\, ID\, 83869
CATEGORIES:Cheney-Spokane,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/MegaRipples.jpg
ORGANIZER;CN="Cheney-Spokane Chapter":MAILTO:iaficheneyspokane@gmail.com
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260829T100000
DTEND;TZID=America/Los_Angeles:20260829T140000
DTSTAMP:20260403T105206
CREATED:20260215T224751Z
LAST-MODIFIED:20260215T230400Z
UID:41691-1787997600-1788012000@iafi.org
SUMMARY:Bretz Was Right: A Pre‑Birthday Floods‑Fest
DESCRIPTION:Save the date! \nOur chapter is planning a special late‑summer gathering on Saturday\, August 29\, in honor of J Harlen Bretz\, whose birthday falls just a few days later (September 2). Bretz’s groundbreaking work on the Ice Age floods reshaped the scientific understanding of the Northwest—and we think that deserves a celebration. \nWe’re still shaping the details\, but expect a relaxed\, community‑friendly event that highlights Bretz’s legacy and the remarkable landscapes he helped the world understand. More information will be posted as plans develop. \n \n \n  \nHe mapped the scablands bold and bright\,\nSaid “Floods did this!” with all his might.\nFor thirty years they told him “No”…\n’Til evidence began to flow. \nSo join us as we celebrate\nThe man who made the floods make sense —\nA pre‑birthday bash for J Harlen Bretz\,\nWho proved the skeptics wrong (immense!). \n \n 
URL:https://iafi.org/event/bretzfest2026/
LOCATION:WA
CATEGORIES:Activity,Cheney-Spokane,Field Trip
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/2022/06/J-Harlan-Bretz-1-e1771196571336.jpg
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END:VCALENDAR