01725oam 2200445 450 991070679790332120171222083317.0(CKB)5470000002457474(OCoLC)896809991(OCoLC)995470000002457474(EXLCZ)99547000000245747420141123d1972 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierGravity and magnetic features as related to geology in the Leadville 30-minute quadrangle, Colorado /by Ogden Tweto and J. E. CaseWashington :United States Department of the Interior, Geological Survey,1972.1 online resource (iii, C31 pages) illustrations, maps +2 platesGeological Survey professional paper ;726-CGeophysical field investigationsTitle from title screen (viewed September 30, 2014).Includes bibliographical references (pages C29-C31)."A summary and correlation of geologic and geophysical data on the most productive part of the Colorado mineral belt."GeomagnetismColoradoLeadville RegionGravityColoradoLeadville RegionGeomagnetismGravityTweto Ogden1912-1983,1393605Case James E.1933-Geological Survey (U.S.),COPCOPOCLCOGPOBOOK9910706797903321Gravity and magnetic features as related to geology in the Leadville 30-minute quadrangle, Colorado3501291UNINA