Transcription of Subsidence from Underground Mining: Environmental …
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Subsidence from Underground Mining: Environmental Analysis and Planning ConsiderationsGEOLOGICAL SURVEY CIRCULAR 876 COVER PHOTOGRAPH: Subsidence pits, troughs, and cracks above an abandoned coal mine in the western Powder River Basin, Wyoming. Photo- graph by from Underground Mining Environmental Analysis and Planning ConsiderationsBy F. T. Lee and J. F. Abel, SURVEY CIRCULAR 8767983 United States Department of the InteriorJAMES G. WATT, SecretaryGeological SurveyDallas L. Peck, DirectorLibrary of Congress Cataloging in Publication DataLee, Fitzhugh from Underground mining.(Geological Survey circular ; 876)Bibliography: Mine Subsidence Environmental Mine Subsidence .
By F. T. Lee and J. F. Abel, Jr.1 ABSTRACT Subsidence, a universal process that occurs in response to the voids created by extracting solids or liquids from beneath the Earth's surface, is controlled by many factors including mining methods, depth of …
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