TY - RPRT TI - Map and cross sections of coal zones in the Upper Cretaceous Neslen Formation, north-central part of the Westwater 30' x 60' Quadrangle, Grand and Uintah counties, Utah AU - James Louis Gualtieri PY - 1991 DO - 10.3133/coal133 UR - https://pubs.usgs.gov/publication/coal133 ID - coal133 ER -