| Reference | {Deposit:: COBB, EDWARD H., 1975, TUNGSTEN OCCURRENCES IN ALASKA, USGS MAP, MR-66.}{Deposit:: NELSON, A. E., WEST, W. S., AND MATZKO, J. J., 1954, RECONNAISSANCE FOR RADIOACTIVE DEPOSITS IN EASTERN ALASKA, 1952: USGS CIRC. 348, 21 P.}{Deposit:: COBB, EDWARD H., 1972, METALLIC MINERAL RESOURCES MAP OF THE CIRCLE QUADRANGLE, ALASKA: USGS MISC. FIELD STUDIES MAP, MF-391.}{Deposit:: COBB, EDWARD H., 1976, SUMMARY OF REFERENCES TO MINERAL OCCURRENCES (OTHER THAN MINERAL FUELS AND CONSTRUCTION MATERIALS) IN THE CIRCLE QUADRANGLE, ALASKA: USGS OPEN FILE REPT. 76-633.} |