Stratigraphy and origin of the Chinle formation and related Upper Triassic strata in the Colorado Plateau region /
by J. H. Stewart, F. G. Poole, and R. F. Wilson. With a section on Sedimentary petrology by R. A. Cadigan, and a section on Conglomerate studies by William Thordarson, H. F. Albee, and J. H. Stewart
- Washington : United States Government Printing Office, 1972
- vi, 336 p. : ill., maps (part col.) 29 cm.
- Geological Survey professional paper ; 690 .
Part of illustrative matter fold. in pocket Prepared on behalf of the U.S. Atomic Energy Commission