TY - RPRT TI - Study of radioactive equilibrium in Carnotite ores of the Colorado Plateau AU - L. R. Stieff AU - M.N. Girhard AU - T. W. Stern PY - 1949 DO - 10.3133/tei106 UR - https://pubs.usgs.gov/publication/tei106 ID - tei106 ER -