TY - RPRT TI - Stratigraphy and origin of the Chinle Formation and related Upper Triassic strata in the Colorado Plateau region, with a section on sedimentary petrology and a section on conglomerate studies AU - John Harris Stewart AU - Forrest Graham Poole AU - Richard Farifield Wilson AU - R. A. Cadigan AU - William Thordarson AU - H. F. Albee PY - 1972 DO - 10.3133/pp690 UR - https://pubs.usgs.gov/publication/pp690 ID - pp690 ER -