TY - RPRT TI - The lead-uranium ages of some uraninite specimens from Triassic and Jurassic sedimentary rocks of the Colorado Plateau AU - Lorin Rollins Stieff AU - T. W. Stern PY - 1953 DO - 10.3133/tei322 UR - https://pubs.usgs.gov/publication/tei322 ID - tei322 ER -