| Reference | {Deposit:: NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 263}{Deposit:: TWETO, OGDEN, 1976, GEOLOGIC MAP OF THE CRAIG 1 DEGREE X 2 DEGREES QUADRANGLE, NORTHWESTERN COLORADO: USGS MAP I-972, 1:250,000.}{Deposit:: A.E.C. PRELIM. RECON. REPT. ED-R-1535} |