TY - RPRT TI - Geophysical logs of 22 holes drilled in 1976 in the Yampa coal field, Moffat County, northwestern Colorado AU - R. F. Meyer PY - 1977 DO - 10.3133/ofr77118 UR - https://pubs.usgs.gov/publication/ofr77118 ID - ofr77118 ER -