TY - RPRT TI - Stratigraphy of Triassic and associated formations in part of the Colorado Plateau region AU - John Harris Stewart AU - Geogre A. Williams AU - Howard F. Albee AU - Omer B. Raup AU - Robert Allen Cadigan PY - 1956 DO - 10.3133/tei397 UR - https://pubs.usgs.gov/publication/tei397 ID - tei397 ER -