TY - RPRT TI - A geochemical survey of mineral deposits and stream deposits in the East Pioneer Wilderness Study Area, Beaverhead County, Montana AU - Byron R. Berger AU - G. N. Breit AU - D. F. Siems AU - E. P. Welsch AU - W. S. Speckman PY - 1979 DO - 10.3133/ofr791079 UR - https://pubs.usgs.gov/publication/ofr791079 ID - ofr791079 ER -