TY - RPRT TI - Geophysical logging of water wells for coal occurrences in northern Campbell County and eastern Sheridan County, Wyoming AU - Richard N. Babcock AU - Robert G. Hobbs PY - 1979 DO - 10.3133/ofr791213 UR - https://pubs.usgs.gov/publication/ofr791213 ID - ofr791213 ER -