TY - RPRT TI - Identification and lead-uranium ages of massive uraninites from the Shinarump conglomerate, Utah AU - L. R. Stieff AU - T. W. Stern PY - 1952 DO - 10.1126/science.115.3000.706 UR - https://pubs.usgs.gov/publication/70011123 ID - 70011123 ER -