TY - RPRT TI - The Early Oligocene Copperas Creek Volcano and geology along New Mexico Higway 15 between Sapillo Creek and the Gila Cliff Dwellings National Monument, Grant and Catron Counties, New Mexico AU - James C. Ratte PY - 2008 DO - 10.56577/ffc-59.129 UR - https://pubs.usgs.gov/publication/70044680 ID - 70044680 ER -