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Insoluble residues and calculated calcite and dolomite contents of representative samples of carbonate rocks from Upper 4. Abandoned and little-used stratigraphic names formerly applied in Kentucky to exposed strata of Ordovician age above the Lexington Limestone -

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Introduction, by Fred O. Jones___________ ____________ Regional physiographic and geologic setting________ Cultural developments. _ ________________________ Acknowledgments.. _ _-_--_-__--_______-_____._ Landslides, by Fred O. Jones and Warren L. Peterson___ Topography on the surficial deposits. ______________ Types of landslides.. ____________________________ Slump-earthflow landslides. __________________ Multiple-alcove landslides. _ __________________ Slip-off slope landslides. _____________________ Mudflows-__---_____-___________---________ Landslides along Franklin D. Roosevelt Lake. _____ Areas of extensive landsliding ____________________ Reed terrace area ___-_-_-_--____---___-____ Culture __ _____-__-___-__-_-_-________ Geology ____-__--_____--_____--________ Geologic history. ____ ___________________ Surface-water and ground-water conditions_ Landslides, ____________________________ Lake fill in the Reed terrace area _________ Cedonia area. ______________________________ Ninemile area. _ ____________________________ Geology. ______________________________ Landslides ___-______-----_-_-__________ Seatons Grove-Koontz ville area --___-________ Seatons landslide (No. 7) ________________ Seatons mudflow (No. 320) _ ___________ Koontzville landslide (No. 5)__-_-_____-_-Nespelem River area. ____-_____-__-_-__-____ Geology. ___._________-____--___-_.____ Glacial history. _-__-_.-_____-__________ Landslides _____________________________ Landslides in the Columbia River basalt. __ ________ Summary of possible causes of landslides. _ _______ _. Economics. ____________________________________ Landslides at Grand Coulee Dam_______ ______ Costs of landslides.-________________________ Statistical studies _________-_-___-__-___---__-__-___ Field observations and methods, by Fred O. Jones. Landslide type groups. _ _____________________ Classification units and measurements of the geologic environment.

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