References
Brooks, A.H., 1913, Mineral resources of Alaska, report on progress of investigations in 1912: U.S. Geological Survey Bulletin 542, 308 p.Martin G.C., and Mertie, J.B., 1914, Mineral resources of the upper Matanuska and Nelchina valleys, Alaska: U.S. Geological Survey Bulletin 592-H, p. 273-299, map.Brooks, A.H., 1915, Mineral resources of Alaska in 1914: U.S. Geological Survey Bulletin 622, 238 p.Eckhart, R.A., 1953, Gypsiferous deposits on Sheep Mountain, Alaska: U.S. Geological Survey Bulletin 989-B, p. 39-61.Rutledge, F.A., Thorne, R.L., Kerns, W.H., and Mulligan, J.J., 1953, Preliminary report: Nonmetallic deposits accessible to the Alaska Railroad as a possible source of raw materials for the construction industry: U.S. Bureau of Mines Report of Investigations 4932, 129 p.Jasper, M.W., 1965, Geochemical investigations of selected areas in southcentral Alaska, 1964: Alaska Division of Mines and Minerals Geochemical Report 4, 31 p.Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.Capps, S.R., 1927, Geology of the upper Matanuska Valley, Alaska, with a section on the igneous rocks by J.B. Mertie, Jr.: U.S. Geological Survey Bulletin 791, 92 p.MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials in the Anchorage quadrangle, Alaska: U.S. Geological Survey Open-File Report 79-1095, 184 p.Cobb, E.H., 1972, Metallic mineral resources map of the Anchorage quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-409, 1 sheet, scale 1:250,000.