01973oam 2200529I 450 991070650350332120171220085251.0(CKB)5470000002457417(OCoLC)896809642(OCoLC)995470000002457417(EXLCZ)99547000000245741720141123d1972 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierInstrumentation studies of earth tremors related to geology and to mining at the Somerset coal mine, Colorado /by Frank W. Osterwald [and three others]Washington :United States Department of the Interior, Geological Survey,1972.1 online resource (iii, 27 pages) illustrationsGeological Survey professional paper ;762Title from title screen (viewed September 30, 2014)."The relation of bedrock and surficial geology, coal mining, and a nuclear explosion to tremors in part of the Grand Mesa coal field, Colorado."Includes bibliographical references (page 27).CoalGeologyColoradoDelta CountyCoalGeologyColoradoGunnison CountySeismometryCoalGeologyfastSeismometryfastColoradoDelta CountyfastColoradoGunnison CountyfastCoalGeologyCoalGeologySeismometry.CoalGeology.Seismometry.Osterwald Frank W.1391210Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910706503503321Instrumentation studies of earth tremors related to geology and to mining at the Somerset coal mine, Colorado3504381UNINA