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. 270.}{Deposit:: TWETO, OGDEN, 1976, GEOLOGIC MAP OF THE CRAIG 1DEGX2DEG QUADRANGLE, NORTHWESTERN COLORADO: USGS MAP I-972, 1:250,000.} |