31. Coal resource occurrence map of the Huerfano Trading Post SW quadrangle, San Juan County, New Mexico
1979. 2002-06-01T04:00:00Z. 2022-11-30T15:21:37Z. Geological Survey (U.S.), issuing body. Geological Survey. English. cartographic image. Public. New Mexico, San Juan County, San Juan County (N.M.), and San Juan County.