TY - RPRT TI - Mineral resources of the Black Ridge Canyons Wilderness Study Area, Mesa County, Colorado, and Grand County, Utah, and Westwater Canyon Wilderness Study Area, Grand County, Utah AU - Robert P. Dickerson AU - J. E. Case AU - H. N. Barton AU - M.L. Chatman PY - 1988 DO - 10.3133/b1736c UR - https://pubs.usgs.gov/publication/b1736C ID - b1736C ER -