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John Eliot Allen & Marjorie Burns 
Cataclysms on the Columbia 
The Great Missoula Floods

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Cover of John Eliot Allen & Marjorie Burns: Cataclysms on the Columbia (ePUB)
Cataclysms on the Columbia tells two stories. One follows geological research that challenged the scientific paradigm of the early 20th century, and the other chronicles the result of that research: the discovery of powerful prehistoric floods that shaped the Pacific Northwest. The cataclysms at the end of the last Ice Age left a scabland of buttes, dry falls, and rocky gorges, but it took the detective work of geologist J Harlen Bretz to prove it to the world. His lifetime of research and unshakeable belief changed geology forever.
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Table of Content

Acknowledgments to the First Edition Acknowledgments to the Second Edition Preface Part I: The World of Geology Chapter 1: The Living, Changing Earth Chapter 2: Detecting the Clues to the Past Part II: The Bretz Saga 3: Early Days 4: Too Many Clues? 5: Scars with a Difference: The Channeled Scablands and Gigantic Gravel Bars 6: The Unthinkable Heresy: Catastrophism vs. Uniformitarianism 7: Solving the Jigsaw Puzzle 8: The Great Controversy 9: The Revisionists: Allison, Hodge, and Flint 10: “Unusual Currents”: Pardee Breaks the Silence 11: Vindication Part III: The Rest of the Story 12: Major Researchers Since Bretz Part IV: The Landscape Before and After the Missoula Floods 13: Setting the Stage for the Floods: Geology, Life, and Witnessing the Floods 14: During the Cataclysms and Immediately Afterward 15: After the Missoula Floods Part V: Following the Floods from Source to Sea 16: Glacial Lake Missoula and the Purcell Trench Ice-Dam: From Missoula, Montana, to Spokane, Washington 17: Rathdrum Prairie and Glacial Lake Columbia: Gateway to the Scablands: From Pend Oreille to Spokane 18: The Channeled Scablands: Grand Coulee and Moses Coulee 19: The Heart of the Channeled Scablands 20: Lake Lewis Basins 21: Wallula Gap to The Dalles: Lake Condon 22: The Dalles to Portland: The Columbia Gorge 23: The Portland-Vancouver Basin: A Story of Erosion and Deposition from Incoming and Outgoing Flood Waters 24: The Willamette Valley South of Portland and the Tualatin Valley West of Portland 25: Portland to the Pacific Ocean Part VI: Floods from an Even More Distant Past 26: Ancient Cataclysmic Floods Part VII: The Conclusion and the Future 27: The Conclusion But Not the End Appendices and Resources Index About the Authors Ooligan Press Acknowledgements

About the author

Scott Burns is a professor of geology at Portland State University.
Language English ● Format EPUB ● ISBN 9781932010312 ● File size 13.8 MB ● Publisher Ooligan Press ● Published 2019 ● Edition 2 ● Downloadable 24 months ● Currency EUR ● ID 6916954 ● Copy protection Adobe DRM
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