TY - RPRT TI - Lithologic and geophysical logs from three coal exploratory test holes drilled in 1977 and 1979 in the Maverick Spring quadrangle, Fremont County, Wyoming AU - Ralph C. Warlow PY - 1981 DO - 10.3133/ofr81727 UR - https://pubs.usgs.gov/publication/ofr81727 ID - ofr81727 ER -