TY - RPRT TI - Chemical analyses of coal from the Tongue River Member, Fort Union Formation, Decker coal deposit, Big Horn County, Montana AU - Ronald H. Affolter AU - Joseph R. Hatch AU - Robert E. Matson AU - L.A. Sauer PY - 1979 DO - 10.3133/ofr79772 UR - https://pubs.usgs.gov/publication/ofr79772 ID - ofr79772 ER -