| Reference | {Deposit:: COBB, EDWARD H., 1975, TUNGSTEN OCCURRENCES IN ALASKA, USGS MAP, MR-66.}{Deposit:: JOESTING, H. R., 1942, STRATEGIC MINERAL OCCURRENCES IN INTERIOR ALASKA: ALASKA DEPT. MINES PAMPHLET 1, 46 P.}{Deposit:: COBB, EDWARD H., 1972, METALLIC MINERAL RESOURCES MAP OF THE OPHIR QUADRANGLE, ALASKA: USGS MISC. FIELD STUDIES MAP, MF-367.}{Deposit:: COBB, EDWARD H., 1976, SUMMARY OF REFERENCES TO MINERAL OCCURRENCES (OTHER THAN MINERAL FUELS AND CONSTRUCTION MATERIALS) IN THE IDITAROD AND OPHIR QUADRANGLES, ALASKA: USGS OPEN FILE REPT. 76-576.} |