TY - RPRT TI - Geologic map and coal deposits of the western part of Ninemile Gap quadrangle and the southern part of Axial quadrangle, Moffat and Rio Blanco Counties, Colorado AU - Constance J. Nutt PY - 1980 DO - 10.3133/ofr8112 UR - https://pubs.usgs.gov/publication/ofr8112 ID - ofr8112 ER -