| Reference | {Deposit:: COBB, EDWARD H., 1975, TUNGSTEN OCCURRENCES IN ALASKA, USGS MAP, MR-66.}{Deposit:: MERTIE, J. B., JR., 1938, GOLD PLACERS OF THE FORTYMILE, EAGLE, AND CIRCLE, DISTRICTS, ALASKA: USGS BULL. 897-C, P. 133-261.}{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.} |