Reference | {Deposit:: NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL COCCURREN CES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 208.}{Deposit:: COLTON, R.B., 1978, GEOLOGIC MAP OF THE BOULDER-FORT COLLINS-GREELE Y AREA, COLORADO: USGS MAP I-855-G.} |