TY - RPRT TI - Energy and mineral resource assessment of the Ashland Division of the Custer National Forest, Powder River and Rosebud Counties, southeastern Montana AU - B. S. Van Gosen PY - 1996 DO - 10.3133/ofr9645 UR - https://pubs.usgs.gov/publication/ofr9645 ID - ofr9645 ER -