TY - RPRT TI - Geologic and selected geotechnical properties of core from drill hole DH75-104, West Moorhead Coal Field, Powder River County, Montana AU - D. S. Collins AU - E. E. McGregor PY - 1983 DO - 10.3133/ofr83809 UR - https://pubs.usgs.gov/publication/ofr83809 ID - ofr83809 ER -