01551nam 2200397Ia 450 991069910740332120230902161649.0(CKB)5470000002400826(OCoLC)467877613(EXLCZ)99547000000240082620091120d2009 ua 0engurmn||||a||||txtrdacontentcrdamediacrrdacarrierHigh-resolution aeromagnetic survey to image shallow faults, Poncha Springs and vicinity, Chaffee County, Colorado[electronic resource] /by V.J.S. Grauch and Benjamin J. DrenthReston, Va. :U.S. Geological Survey,2009.1 online resource (v, 31 pages) illustrations, mapsOpen-file report ;2009-1156Title from title screen (viewed Sept. 14, 2009).Includes bibliographical references (pages 28-31).U.S. Geological Survey open-file report ;2009-1156.Aeromagnetic prospectingColoradoPoncha SpringsFaults (Geology)ColoradoPoncha SpringsAeromagnetic prospectingFaults (Geology)Grauch V. J. S1381342Drenth Benjamin J1395951Geological Survey (U.S.)GPOGPOBOOK9910699107403321High-resolution aeromagnetic survey to image shallow faults, Poncha Springs and vicinity, Chaffee County, Colorado3479690UNINA