TY - RPRT TI - Preliminary geologic map of the Bear Hole Quadrangle, Big Horn County, Montana, and Big Horn and Sheridan counties, Wyoming AU - S.S. Agard PY - 1986 DO - 10.3133/mf1885 UR - https://pubs.usgs.gov/publication/mf1885 ID - mf1885 ER -