1. A study of the Cretaceous-Tertiary unconformity in the Piceance Creek Basin, Colorado : the underlying Ohio Creek Formation (Upper Cretaceous) redefined as a member of the Hunter Canyon or Mesaverde Formation Author/Creator: Johnson, Ronald C. 1950- (Ronald Carl), author Publication/Creation: [Reston, Va.] : United States Department of the Interior, Geological Survey, 1980 Resource Type: Book Access & Availability: Loading
2. Surface vitrinite reflectance study of the Uinta and Piceance basins and adjacent areas, eastern Utah and western Colorado : implications for the development of Laramide basins and uplifts Author/Creator: Johnson, Ronald C. 1950- (Ronald Carl), author Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1993 Resource Type: Book Access & Availability: Loading
3. Surface vitrinite reflectance study of the Uinta and Piceance basins and adjacent areas, eastern Utah and western Colorado : implications for the development of Laramide basins and uplifts Author/Creator: Johnson, Ronald C. 1950- (Ronald Carl) Publication/Creation: [Washington, D. C.] : U.S. G.P.O., 1993 Resource Type: Book Access & Availability: Loading