TY - RPRT TI - Coal resource occurrence maps and coal development potential maps of the Adobe Downs Ranch quadrangle, San Juan County, New Mexico, and La Plata County, Colorado AU - Dames & Moore PY - 1979 DO - 10.3133/ofr791111 UR - https://pubs.usgs.gov/publication/ofr791111 ID - ofr791111 ER -