TY - RPRT TI - Chemical analysis and evaluation of 40 samples from Upper Cretaceous coal beds from the Wind River basin, Wyoming AU - R. C. Warlow AU - L. J. Bragg AU - J. F. Windolph AU - N. L. Hickling AU - J. K. Oman AU - P.T. Kerry AU - J.W. Baker PY - 1987 DO - 10.3133/ofr86187 UR - https://pubs.usgs.gov/publication/ofr86187 ID - ofr86187 ER -