TY  - RPRT
TI  - Preliminary report of 1977 coal drilling in eastern Montana and northeastern Wyoming: Geophysical logs for Campbell and Converse Counties, Wyoming
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
AU  - Montana Bureau of Mines and Geology
PY  - 1978
DO  - 10.3133/ofr77721e
UR  - https://pubs.usgs.gov/publication/ofr77721E
ID  - ofr77721E
ER  -