01450oam 2200397Ia 450 991069523340332120170412114138.0(CKB)5470000002368408(OCoLC)71201781(EXLCZ)99547000000236840820060829d2005 ua 0engurbn| |||||txtrdacontentcrdamediacrrdacarrierGeology and stratigraphy of the Challis Volcanic Group and related rocks, Little Wood River area, South-Central Idaho[electronic resource] /by Richard F. Sanford : with a section on geochronology by Lawrence W. SneeReston, Va. :U.S. Dept. of the Interior, U.S. Geological Survey,2005.iii, 22 pages digital, PDF file2064-IITitle from title screen (viewed Aug. 29, 2006).Includes bibliographical references (pages 15-17).GeologyMontanaGeological timeGeologyGeological time.Sanford Richard F1382522Snee Lawrence W1382523Geological Survey (U.S.)GPOGPOGPOBOOK9910695233403321Geology and stratigraphy of the Challis Volcanic Group and related rocks, Little Wood River area, South-Central Idaho3426116UNINA