TY - RPRT TI - Stratigraphy of Triassic and associated formations in part of the Colorado Plateau region, with a section on sedimentary petrology AU - John Harris Stewart AU - G.A. Williams AU - H. F. Albee AU - O. B. Raup AU - Robert Allen Cadigan PY - 1959 DO - 10.3133/b1046q UR - https://pubs.usgs.gov/publication/b1046Q ID - b1046Q ER -