TY - RPRT TI - The Moorcroft oil field, Crook County, Wyoming. Possibilities of oil in the Big Muddy dome, Converse and Natrona Counties, Wyoming AU - V. H. Barnett PY - 1915 DO - 10.3133/b581c UR - https://pubs.usgs.gov/publication/b581C ID - b581C ER -