TY - RPRT TI - U-Pb ages of uranium ores in the Churchrock uranium district, New Mexico AU - K.R. Ludwig AU - Bruce Rubin AU - Neil Fishman AU - Richard L. Reynolds PY - 1982 DO - 10.2113/gsecongeo.77.8.1942 UR - https://pubs.usgs.gov/publication/70209670 ID - 70209670 ER -