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. 141.}{Deposit:: LOVERING, T.G., AND BERONI, E.P., 1959, PRELIMINARY STUDY OF RADIOACTIVE LIMONITE IN COLORADO, UTAH, AND WYOMING: USGS BULL. 1046-N, P. 353-356}{Deposit:: TRIMBLE, D.E., AND MACHETTE, M.N., 1979, GEOLOGIC MAP OF THE COLORADO SPRINGS-CASTLE ROCK AREA, FRONT RANGE URBAN CORRIDOR, COLORADO: USGS MAP I-857-F} |