TY - RPRT TI - Federal coal resource occurrence maps of the Kin Klizhin Ruins 7 1/2-minute quadrangle, San Juan and McKinley Counties, New Mexico AU - Berge Exploration Inc. PY - 1979 DO - 10.3133/ofr791047 UR - https://pubs.usgs.gov/publication/ofr791047 ID - ofr791047 ER -