TY - RPRT TI - Geophysical logs for six holes drilled during 1978 in the Round Bottom area, Yampa coal field, Moffat County, Colorado AU - Edward A. Johnson AU - Robert Brown PY - 1979 DO - 10.3133/ofr79328 UR - https://pubs.usgs.gov/publication/ofr79328 ID - ofr79328 ER -