TY - RPRT TI - Coal resource occurrence and coal development potential maps of the southwest quarter of the Mt. Pennell 15-minute quadrangle, Garfield County, Utah AU - Dames & Moore PY - 1980 DO - 10.3133/ofr80119 UR - https://pubs.usgs.gov/publication/ofr80119 ID - ofr80119 ER -