TY - RPRT TI - Airborne gamma-ray spectrometry and aeromagnetic survey of part of the southern Powder River basin in Converse County, Wyoming AU - K. A. Schulz PY - 1975 DO - 10.3133/ofr75661 UR - https://pubs.usgs.gov/publication/ofr75661 ID - ofr75661 ER -