by Reuben J. Ross, Jr. ... [and others] ; sponsored by the International Subcommission on Ordovician Stratigraphy ; Reuben J. Ross Jr., Stig M. Bergstrom, editors
prepared by J.D. Love [and others] ; United States Department of the Interior, Geological Survey ; prepared with the cooperation of the Geological Survey of Wyoming and the Department of Geology, University of Wyoming
Date
1945
Series
Oil and gas investigations. Preliminary chart ; 14