| Reference | {Deposit:: Gassaway, L.D., 1935, Black sand deposits of Kodiak Island: Alaska Division of Geological and Geophysical Surveys Miscellaneous Report 135-3, 6 p.}{Deposit:: Cobb, E.H., 1972, Metallic mineral resource map of the Trinity Islands quadrangle, Alaska: U.S. Geological Survey Map MF- 468, 1 map sheet, scale 1:250,000.}{Deposit:: Cobb, E.H., 1979, Summary of references to mineral occurrences in the Afognak, Karluk, Kodiak, and Trinity Islands quadrangles, Alaska: U.S. Geological Survey Open-File Report 79-860, 49 p.} |