| Reference | {Deposit:: Eakin, H.M., 1914, The Iditarod-Ruby region, Alaska: U.S. Geological Survey Bulletin 578, 45 p.}{Deposit:: Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction material) in the Iditarod and Ophir quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-576, 101 p.}{Deposit:: Chapman, R.M., Patton, W.W., and Moll, E.J., 1985, Reconnaissance geologic map of the Ophir quadrangle, Alaska: U.S. Geological Survey Open-File Report 85-203, 1 sheet, 1:250,000 scale.}{Deposit:: Bundtzen, T.K., Green, C.B., Deagen, J., and Daniels, C.L., 1987, Alask* mineral industry, 1986: Alaska Division of Geological and Geophysical Surveys, Special Report 40, 68 p.} |