TY - RPRT TI - Stratigraphic framework and coal resources of the Upper Cretaceous Blackhawk Formation in the Muddy Creek and Nelson Mountain areas of the Wasatch Plateau coal field, Manti 30' x 60' quadrangle, Emery, Sevier and Sanpete Counties, Utah AU - J. D. Sanchez AU - Terrence L. Brown PY - 1983 DO - 10.3133/coal94a UR - https://pubs.usgs.gov/publication/coal94A ID - coal94A ER -