05(U.S.Geol.)
Geol	U.S.Geological Survey     U.S.Geological Survey Bulletin [Текст]. — Washington : United States Government Printing Office, 1997. — № 2000-P : Geology of the Pennsylvanian and Permian Cutler Group and Permian Kaibab Limestone in the Paradox Basin, Southeastern Utah and Southwestern Colorado. — fig.