| Reference | {Deposit:: Mertie, J.B., Jr., 1936, Mineral deposits of the Ruby-Kuskokwim region, Alaska: U.S. Geological Survey Bulletin 864-C, 115-245.}{Deposit:: Patton, W.W., Jr., Moll, E.J., Dutro, J.T., Jr., Silberman, M.L., and Chapman, R.M., 1980, Preliminary geologic map of Medfra quadrangle, Alaska: U.S. Geological Survey Open-File Report 80-811-A, 1 sheet, scale l:250,000.}{Deposit:: Thorson, R.M., and Guthrie, R.D., 1982, Stratigraphy of the Colorado Creek Mammoth locality, Alaska: Quaternary Research, vol. 37, p. 214-278.} |