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Subsidence from Underground Mining: Environmental …

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 . I. Abel, John F., Jr. II. Series. no. 876 [622] 82-600123 [ ]Free on application to Distribution Branch, Text Products Section, U. S. Geological Survey, 604 South Pickett Street, Alexandria, VA 22304 CONTENTSPage 112223 Abstract Introduction .. of Subsidence processes _____Definition.

Surface Mining Control and Reclamation Act of 1977 (Federal Register, 1977) will encourage in­ creased consideration of subsidence effects prior to mining. At present, however, very few mining companies in the United States make routine leveling surveys of …

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