TY - RPRT TI - Overview with methods and procedures of the U.S. Geological Survey mineral-resource assessment of the Sagebrush Focal Areas of Idaho, Montana, Nevada, Oregon, Utah, and Wyoming: Chapter A in Mineral resources of the Sagebrush Focal Areas of Idaho, Montana, Nevada, Oregon, Utah, and Wyoming PY - 2016 DO - 10.3133/sir20165089a UR - https://pubs.usgs.gov/publication/sir20165089A ID - sir20165089A ER -