TY - BOOK AU - Fisher,Frederick S. AU - Johnson,Kathleen M. ED - U.S. Geological Survey TI - Geology and mineral resource assessment of the Challis 1o X 2o Quadrangle, Idaho PY - 1995/// CY - Washington, D.C. PB - United States Government Printing Office KW - Geology KW - Idaho Falls (Idaho) KW - Maps KW - Mines and mineral resources N1 - Text is accompanied with a consisting of maps, bearing the title as the main text; A study of the geologic and tectonic settings of mineral deposits and an assessment of the mineral resources in the Challis 1ox2o quadrangle, Idaho ER -