TY - RPRT TI - General hydrogeology of the aquifers of Mesozoic age, upper Colorado River basin, excluding the San Juan basin; Colorado, Utah, Wyoming, and Arizona AU - G. W. Freethey AU - B. A. Kimball AU - Dale E. Wilberg AU - J. W. Hood PY - 1984 DO - 10.3133/ofr84716 UR - https://pubs.usgs.gov/publication/ofr84716 ID - ofr84716 ER -