TY - RPRT TI - Preliminary geologic map of the Gas Hills uranium district, Fremont and Natrona Counties, Wyoming AU - H. D. Zeller AU - P.E. Soister AU - H.J. Hyden PY - 1956 DO - 10.3133/mf83 UR - https://pubs.usgs.gov/publication/mf83 ID - mf83 ER -