Reference | {Deposit:: NELSON-MOORE, J.L., COLLINS, D.B. AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULLETIN 40, P. 367}{Deposit:: BRYANT, BRUCE, MCGREW, L.W., WOBUS, R.A., 1981, GEOLOGIC MAP OF THE DENVER 1 DEG X 2 DEG QUADRANGLE, NORTH-CENTRAL COLORADO: USGS MAP I-1163, 1:250,000} |