Eagle Quadrangle References Alaska Department of Mines, 1955, Report of the Commissioner of Mines for the biennium ended December 31, 1954: Alaska Department of Mines, 110 p. Alaska Division of Geological and Geophysical Surveys, Geoterrex-Dighem, and Stevens Exploration Management Corporation, 1999, CD-ROM containing profile and gridded data and section lines of 1997 geophysical survey data for part of the Fortymile mining district, Alaska, southern Eagle and northern Tanacross quadrangles: Alaska Division of Geological and Geophysical Surveys Public-Data File 99-9, 2 CD-ROMs. Alaska Division of Mines and Minerals, 1967, Report for the year 1967: Alaska Division of Mines and Minerals, 98 p. Aleinikoff, J.N., Dusel-Bacon, Cynthia, and Foster, H.L., 1981, Geochronologic studies in the Yukon-Tanana Upland, east-central Alaska, in Albert, N.R., and Hudson, T., eds., The United States Geological Survey in Alaska--Accomplishments during 1979, U.S. Geological Survey Circular C-823-B, p. 34-37. Anderson, E., 1946, Wolverine copper prospect, Charley River district: Alaska Territorial Department of Mines Property Examination 60-2, 2 p. Asher, R.R., 1970, Geochemistry and geology, Boundary area, Fortymile district, Eagle A-1 quadrangle, Alaska: Alaska Division of Mines and Geology Geochemical Report 23, 32 p., 2 sheets, scale 1:63,360. Berg, H.C., and Cobb, E.H., 1967, Metalliferous lode deposits of Alaska: U.S. Geological Survey Bulletin 1246, 254 p. Bond, J., 1985, Geological field examinations on Doyon, Limited Regional Selection Block 2; 1985: Doyon, Ltd. Report 85-18, 14 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Boswell, J.C., 1979, History of Alaskan operations of United States Smelting, Refining, and Mining Co., Fairbanks, Alaska: Mineral Industry Research Laboratory, University of Alaska - Fairbanks, 126 p. Bottge, R.G., 1985, Availability of land for mineral exploration and development in north-central Alaska, 1985: U.S. Bureau of Mines Special Publication, 37 p.,14 sheets. Brabb, E.E., 1970, Preliminary geologic map of the Black River quadrangle, east-central Alaska: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-601,1 sheet, scale1:250,000. Bright, M.J., 1992, Evaluation of Doyon, Ltd.'s Ptarmigan Hill property, northern part of Selection Block 8 (Fortymile): Doyon, Ltd. report, 9 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Bright, M.J., 1984, Accreted terrains in western North America (with emphasis on Doyon's lands in Alaska): Doyon, Ltd. Report 84-09, 23 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Bright, M.J., and Fair, C.L., 1985, Coal potential on Doyon, Limited land: Doyon, Ltd. Report 85-17, 4 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Brooks, A.H., 1900, A reconnaissance from Pyramid Harbor to Eagle City, Alaska, including a description of the copper deposits of the upper White and Tanana Rivers: U.S. Geological Survey Twenty-first Annual Report, p. 331-391, plate 2. Brooks, A.H., 1903, Placer gold mining in Alaska in 1902: U.S. Geological Survey Bulletin 213, p. 41-48. Brooks, A.H., 1904, Placer mining in Alaska in 1903: U.S. Geological Survey Bulletin 225, p. 43-59. Brooks, A.H., 1905, Placer mining in Alaska in 1904: U.S. Geological Survey Bulletin 259, p. 18-31. Brooks, A.H., 1906, The mining industry in 1905: U.S. Geological Survey Bulletin 284, p. 4-9. Brooks, A.H., 1907, The mining industry in 1906: U.S. Geological Survey Bulletin 314, p. 19-39. Brooks, A.H., 1908, Report on progress of investigations of mineral resources of Alaska in 1907: U.S. Geological Survey Bulletin 345, p. 187-197. Brooks, A.H., 1909, The Alaskan mining industry in 1908: U.S. Geological Survey Bulletin 379-A, p. 21-62. Brooks, A.H., 1914, The Alaskan mining industry in 1913: U.S. Geological Survey Bulletin 592-A, p. 45-74. Brooks, A.H., 1915, The Alaskan mining industry in 1914: U.S. Geological Survey Bulletin 622-A, p. 15-68. Brooks, A.H., 1916, The Alaskan mining industry in 1915: U.S. Geological Survey Bulletin 642-A, p. 16-71. Brooks, A.H., 1918, The Alaskan mining industry in 1916: U.S. Geological Survey Bulletin 662-A, p. 11-62. Brooks, A.H., 1922, The Alaskan mining industry in 1920: U.S. Geological Survey Bulletin 722-A, p. 7-67. Brooks, A.H., 1923, The Alaskan mining industry in 1921: U.S. Geological Survey Bulletin 739, p. 1-44. Brooks, A.H., and Capps, S.R., 1924, The Alaskan mining industry in 1922: U.S. Geological Survey Bulletin 755, p. 5-49. Brooks, A.H., and Martin, G.C., 1921, The Alaskan mining industry in 1919: U.S. Geological Survey Bulletin 714, p. 59-95. Bundtzen, T.K., Eakins, G.R., Clough, J.G., Lueck, L.L., Green, C.B., Robinson, M.S., and Coleman, D.A., 1984, Alaska's mineral industry, 1983: Alaska Division of Geological and Geophysical Surveys Special Report 33, 56 p. Bundtzen, T.K., Eakins, G.R., Green, C.B., and Lueck, L.L., 1986, Alaska's mineral industry, 1985: Alaska Division of Geological and Geophysical Surveys Special Report 39, 68 p. Bundtzen, T.K., Green, C.B., Deagan, J., and Daniels, C.L., 1987, Alaska's mineral industry, 1986: Alaska Division of Geological and Geophysical Surveys Special Report 40, 68 p. Bundtzen, T.K., Green, C.B., Peterson, R.J., and Seward, A.F., 1988, Alaska's mineral industry, 1987: Alaska Division of Geological and Geophysical Surveys Special Report 41, 69 p. Bundtzen, T.K., Swainbank, R.C., Deagen, J.R., and Moore, J.L., 1990, Alaska's mineral industry, 1989: Alaska Division of Geological and Geophysical Surveys Special Report 44, 100 p. Bundtzen, T.K., Swainbank, R.C., Wood, J.E., and Clough, A.H., 1992, Alaska's mineral industry, 1991: Alaska Division of Geological and Geophysical Surveys Special Report 46, 89 p. Burleigh, R.E., and Lear, K.G., 1994, Compilation of data for phase 1 of the mineral resource evaluation of the Bureau of Land Management Black River and Fortymile River subunits: U.S. Bureau of Mines Open-File Report 48-94, 116 p. Burleigh, R.E., Fechner, S.A., and Lear, K.G., 1994, Preliminary results of the mineral resource evaluation of the Bureau of Land Management Black River and Fortymile River planning units: U.S. Bureau of Mines Open-File Report 48-94, 117 p. Burns, L.E., and Liss, S.A., 1999, Portfolio of aeromagnetic and resistivity maps of part of the Fortymile mining district, Alaska, southern Eagle and northern Tanacross quadrangles: Alaska Division of Geological and Geophysical Surveys Public-Data File 99-6, 20 p. Buteau, Frank, 1967, My experiences in the world: in Heller, H.L., ed., Sourdough Sagas: The World Publishing Company, p. 93-118. Carter, C.H., 1981, Doyon exploration program, Blocks 4, 5, 8, and 22: Doyon, Ltd. Report 81-27. (Report held by Doyon, Ltd., Fairbanks, Alaska). Caithness Alaska Mining Co., 1990, 1989 annual report, Alaska field operations, volume 1 of 14: Doyon, Ltd. Report 90-06a, 251 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Caithness Alaska Mining Co., 1990, 1989 annual report, Alaska field operations, appendix 7.2.1A, Doyon reconnaissance geochemical results, part A, volume 2 of 14: Doyon, Ltd. Report 90-06b, 149 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Caithness Alaska Mining Co., 1990, 1989 annual report, Alaska field operations, appendix 7.2.1A, Doyon reconnaissance geochemical results, part B, volume 3 of 14: Doyon, Ltd. Report 90-06c, 145 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Caithness Alaska Mining Co., 1990, 1989 annual report, Alaska field operations, appendix 7.2.1C, Doyon reconnaissance geochemical results, part C, appendix 7.2.2, rock sample descriptions and appendix 7.2.3, geochemical results, sample locations and descriptions - diskettes, volume 4of 14: Doyon, Ltd. Report 90-06d, 181 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Caithness Alaska Mining Co., 1990, 1989 annual report, Alaska field operations, plates and geophysical profiles, Seventymile block, volume 7 of 14: Doyon, Ltd. Report 90-06g. (Report held by Doyon, Ltd., Fairbanks, Alaska). Caithness Alaska Mining Co., 1990, 1989 annual report, Alaska field operations, plates McGrath, Takotna, Fortymile central, Fortymile south, and Holy Cross blocks, volume 10 of 14: Doyon, Ltd. Report 90-06g. (Report held by Doyon, Ltd., Fairbanks, Alaska). Central Alaska Gold Co., 1992, Central Alaska Gold Co. annual report, Alaska field operations - Doyon option, volume 1: Doyon, Ltd. Report 92-70, 156 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Central Alaska Gold Co., 1992, Central Alaska Gold Co. annual report, Alaska field operations plates 13-24, Wiseman north, Fortymile south, Fortymile central, Manley Hot Springs, volume 3: Doyon, Ltd. Report 92-72, 12 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Chapin, T., 1914, Placer mining in the Yukon-Tanana region: U.S. Geological Survey Bulletin 592, p. 357-362. Chapin, T., 1919, A molybdenite lode on Healy River: U.S. Geological Survey Bulletin 692, p. 329. Church, S.E., Delevaux, M.H., and Gray, J.E., 1987, Pb-isotope database for sulfides from Alaska, March 1987: U.S. Geological Survey Open-File Report 87-259, 44 p. Clark, S.H.B., and Foster, H.L., 1969, Preliminary geologic map of the Eagle D-2 and D-3 quadrangles, Alaska: U.S. Geological Survey Open-File Report 69-43, 1 sheet, scale 1:63,360. Clark, S.H.B., and Foster, H.L., 1971, Geochemical and geological reconnaissance in the Seventymile River area, Alaska: U.S. Geological Survey Bulletin 1315, 21 p. Cobb, E.H., 1972, Metallic mineral resources map of the Eagle quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-393, 1:250,000 scale, 1 sheet. Cobb, E.H., 1973, Placer deposits of Alaska: U.S. Geological Survey Bulletin 1374, 213 p. Cobb, E.H., 1974, Index of metallic mineral deposits of Alaska compiled from published reports of federal and state agencies through 1972: U.S. Geological Survey and National Technical Information Service PB-233 217, 590 p. Cobb, E.H., 1977, Summary of references to mineral occurrences in the Eagle quadrangle, Alaska: U.S. Geological Survey Open-File Report 77-845, 122 p. Cobb, E.H., 1984, Map showing occurrences of placer gold in Alaska: U.S. Geological Survey Mineral Investigations Resource Map MR-83, 1 sheet, scale 1:2,500,000. Cole, F., Flanders, R.W., Freeman, L.K., Hipsley, R.A., Rogers, J.A., and Laux, D.P., 1991, Central Alaska Gold Company, 1990 minerals exploration on Doyon Option Lands in the Seventymile Block, vol. 1 text (Report held by Doyon, Ltd., Fairbanks, Alaska). Cox, D.P., and Singer, D.A., eds., 1986, Mineral deposit models: U.S. Geological Survey Bulletin 1693, 379 p. Crock, J.G., Gough, L.P., Wanty, R.B., Day, W.C., Wang, B., Gamble, B.M., Henning, M., Brown, Z.A., and Meier, A.L., 2000, Regional geochemical results from the analyses of rock, water, soil, stream sediments, and vegetation samples--Fortymile River watershed, east-central Alaska, 1998 sampling: U.S. Geological Survey Open-File Report 00-0511, 14 p. Dashevsky, S.S., 1983, Doyon exploration program, Block 8 - Fortymile, 1982: Doyon, Ltd. Report 83-01. (Report held by Doyon, Ltd., Fairbanks, Alaska). Dashevsky, S.S., 1984, Block 8 - Fortymile, summary of exploration activity of Placid Oil Company (1975-1978): Doyon, Ltd. Report 83-16. (Report held by Doyon, Ltd., Fairbanks, Alaska). Dashevsky, S.S., and Nicol, D.L., 1985, Geologic field examinations in Doyon, Ltd. Regional Selection Blocks 1,6, 8, 9, 10, 12, 13, 18, 19, 20, 21, and Hughs and MTNT Village Lands, 1984: Doyon, Ltd. Report 85-07. (Report held by Doyon, Ltd., Fairbanks, Alaska). Dashevsky, S.S., Nicol, D.L., and Bond, J., 1986, Mines, prospects, and geochemical anomalies on Doyon Limited regional overselection lands, Alaska, Blocks 1-8: Doyon, Ltd. Report 86-01a, 300 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). DiMarchi, J.J., 1993, 1992 annual report, reconnaissance program, Doyon option lands, v. 1, ASA Inc. report, Doyon, Ltd. Reports 93-168A and 93-44A. (Reports held by Doyon, Ltd., Fairbanks, Alaska). DiMarchi, J.J., Flanders, R.W., Freeman, L.K., Puchner, C.K., Rohtert, W.R., Stubbs, G.S., and Tolbert, R.S., 1990a, 1989 annual report, Alaska field operations, volume 1: Central Alaska Exploration Corporation, Doyon, Ltd. Report 90-06j. (Report held by Doyon, Ltd., Fairbanks, Alaska). DiMarchi, J.J., Flanders, R.W., Freeman, L.K., Puchner, C.K., Rohtert, W.R., Stubbs, G.S., and Tolbert, R.S., 1990b, 1989 annual report, Alaska field operations, volume 1: Central Alaska Exploration Corporation, 203 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). DiMarchi, J.J., Weglarz, T.B., Dickey, C.F., Laux, D.P., Smith, M.T., Toro, J., and Kurtz, J.P., 1991, Central Alaska Gold Co. 1990 annual report, Alaska field operations - Doyon option volume 1: Doyon, Ltd. Report 91-8a. (Report held by Doyon, Ltd., Fairbanks, Alaska). DiMarchi, J.J., Weglarz, T.B., Dickey, C.F., Laux, D.P., Smith, M.T., Toro, J., and Kurtz, J.P., 1991, Central Alaska Gold Co. 1990 annual report, Alaska field operations - Doyon option volume 2, analytical results, geochemical results part A: Doyon, Ltd. Report 91-8b. (Report held by Doyon, Ltd., Fairbanks, Alaska). DiMarchi, J.J., Weglarz, T.B., Dickey, C.F., Laux, D.P., Smith, M.T., Toro, J., and Kurtz, J.P., 1991, Central Alaska Gold Co. 1990 annual report, Alaska field operations - Doyon option volume 2, analytical results, geochemical results part B: Doyon, Ltd. Report 91-8c. (Report held by Doyon, Ltd., Fairbanks, Alaska). DiMarchi, J.J., Weglarz, T.B., Dickey, C.F., Laux, D.P., Smith, M.T., Toro, J., and Kurtz, J.P., 1991, Central Alaska Gold Co. 1990 annual report, Alaska field operations - Doyon option volume 7 plates, Fortymile central, Fortymile south, mid-Yukon, Nikolai, and East Holy Cross blocks: Doyon, Ltd. Report 91-8d. (Report held by Doyon, Ltd., Fairbanks, Alaska). DiMarchi, J.J., Weglarz, T.B., Dickey, C.F., Laux, D.P., Smith, M.T., Toro, J., and Kurtz, J.P., 1991, Central Alaska Gold Co. 1990 annual report, Alaska field operations - Doyon option volume 10: Doyon, Ltd. Report 91-8g. (Report held by Doyon, Ltd., Fairbanks, Alaska). Dusel-Bacon, Cynthia, Bressler, J.R., Takaoka, H., Mortensen, J.K., Oliver, D.H., Leventhal, J.S., Newberry, R.J., and Bundtzen, T.K., 1998, Stratiform zinc-lead mineralization in Nasina assemblage rocks of the Yukon-Tanana Upland in east-central Alaska: U.S. Geological Survey Open-File Report 98-340, 26 p. (World Wide Web URL, http://caldera.wr.usgs.gov/syngenms/OF98-340.html). Dusel-Bacon, Cynthia, Lanphere, M.A., Sharp, W.D., Layer, P.W., and Hansen, V.L., 2002, Mesozoic thermal history and timing of structural events for the Yukon-Tanana Upland, east-central Alaska: 40Ar/39Ar data from metamorphic and plutonic rocks: Canadian Journal of Earth Sciences., v. 39, no. 6, p. 1013-1051. Dusel-Bacon, C., Mortensen, J.K., and Fredericksen, R.S., in press, Cretaceous epigenetic base-metal mineralization at the Lead Creek prospect, eastern Yukon-Tanana Upland, Alaska--Constraints from U-Pb zircon dating and lead isotopic analyses of sulfides, in Galloway, J.P., ed., Studies in Alaska by the U.S. Geological Survey during 2001: U.S. Geological Survey Professional Paper 1678. [In press as of May 2003] Eakins, G.R., Bundtzen, T.K., Robinson, M.S., Clough, J.G., Green, C.B., Clautice, K.H., and Albanese, M.A., 1983, Alaska's mineral industry 1982: Alaska Division of Geological and Geophysical Surveys Special Report 31, 63 p. Eakins, G.R., Bundtzen, T.K., Lueck, L.L., Green, C.B., Gallagher, J.L., and Robinson, M.S., 1985, Alaska's mineral industry, 1984: Alaska Division of Geological and Geophysical Surveys Special Report 38, 57 p. Ebbley, N., Jr., and Wright, W.S., 1948, Antimony deposits in Alaska: U.S. Bureau of Mines Report of Investigations 4173, 41 p. Eberlein, G.D., Chapman, R.M., Foster, H.L., and Gassaway, J.S., 1977, Map and table describing known metalliferous and selected nonmetalliferous mineral deposits in central Alaska: U.S. Geological Survey Open-File Report 77-168-D, 132 p., 1 map sheet, scale 1:1,000,000. Ellsworth, C.E., 1910, Placer mining in the Yukon-Tanana region: U.S. Geological Survey Bulletin 442-F, p. 230-245. Ellsworth, C.E., and Davenport, R.W., 1913, Placer mining in the Yukon-Tanana region, in Brooks, A.H., ed., Mineral resources of Alaska, report on investigations in 1912: U.S. Geological Survey Bulletin 542-F, p. 203-222. Ellsworth, C.E., and Parker, G.L., 1911, Placer mining in the Yukon-Tanana region: U.S. Geological Survey Bulletin 480-F, p. 153-172. Foley, J.Y., Burns, L.E., Schneider, C.L., and Forbes, R.B., 1989, Preliminary report of platinum group element occurrences in Alaska: Alaska Division of Geological and Geophysical Surveys Public Data File 89-20, 32 p., 1 sheet, scale 1:2,500,000. Foster, H.L., 1969, Asbestos occurrence in the Eagle C-4 quadrangle, Alaska: U.S. Geological Survey Circular 611, 7 p. Foster, H.L., 1969, Reconnaissance geology of the Eagle A-1 and A-2 quadrangles, Alaska: U.S. Geological Survey Bulletin 1271-G, p. G1-G30. Foster, H.L. 1970, Analyses of stream-sediment and rock samples from the southwestern and central parts of the Eagle quadrangle, Alaska: U.S. Geological Survey Open-File Report 423, 64 p. Foster, H.L., 1975, Significant platinum values confirmed in ultramafic rock of the Eagle C-3 quadrangle, in Yount, M.E., ed., U.S. Geological Survey Alaska Program: U.S. Geological Survey Circular 722, p. 42-43. Foster, H.L., 1976, Geologic map of the Eagle quadrangle, Alaska: U.S. Geological Survey Miscellaneous Investigations Series, Map 922, 1 sheet, scale 1:250,000. Foster, H.L., and Clark, S.H.B., 1969, Analyses of stream-sediment and rock samples from the Fortymile area, Eagle quadrangle, Alaska: U.S. Geological Survey Open-File Report 386, 1 v. Foster, H.L., and Clark, S.H.B., 1970, Geochemical and geologic reconnaissance of a part of the Fortymile area, Alaska: U.S. Geological Survey Bulletin 1312-M, p. M1-M29. Foster, H.L., and Keith, T.C., 1968, Preliminary geologic map of the Eagle B-1 and C-1 quadrangles: U.S. Geological Survey Open-File Report 68-103, 1 sheet, scale 1:63,360. Foster, H.L., and Keith, T.E.C., 1969, Geology along the Taylor Highway, Alaska: U.S. Geological Survey Bulletin 1281, 36 p. Foster, H.L., and Keith, T.E.C., 1974, Ultramafic rocks of the Eagle quadrangle, east-central Alaska: U.S. Geological Survey Journal of Research, v. 2, no. 6, p. 657-669. Foster, H. L., Cushing, G. W., Keith, T. E. C., and Laird, J., 1985, Early Mesozoic tectonic history of the Boundary area, east-central Alaska: Geophysical Research Letters, v. 12, p. 553-556. Freeman, L.K. and Puchner, C.G., 1990, Geology of the Bonanza and Flume Creek gold occurrences, east-central Alaska--Report prepared for Central Alaska Gold Co.: Doyon, Ltd. Report 90-16 (Report held by Doyon, Ltd., Fairbanks, Alaska). Gallagher, G., 1980, 1980 recommendations, Doyon land prioritization: Doyon, Ltd. Report 80-27 (Report held by Doyon, Ltd., Fairbanks, Alaska). Green, C.B., Bundtzen, T.K., Peterson, R.J., Seward, A.F., Deagan, J.R., and Burton, J.E., 1989, Alaska's mineral industry, 1988: Alaska Division of Geological and Geophysical Surveys Special Report 43, 79 p. Hughs, M.A., and Siems, P.L., 1981, 1980 Lucky 13 project area report: Doyon, Ltd. Report 81-03. (Report held by Doyon, Ltd., Fairbanks, Alaska). Huskey, G.F., 1981, 1981 Lucky 13 project area report: Doyon, Ltd. Report 82-49, 7 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Jirik, R. Lessman, G., Fernette, G., and Enns, S., 1979, 1978 annual progress report, Doyon Project, Mount Harper area, 21 prospect: Doyon, Ltd. Report 79-08. (Report held by Doyon, Ltd., Fairbanks, Alaska). Joesting, H.R., 1942, Strategic mineral occurrences in interior Alaska: Alaska Department of Mines Pamphlet 1, 46 p. Joesting, H.R., 1943, Strategic mineral occurrences in interior Alaska--Supplement to Pamphlet No. 1: Alaska Department of Mines Pamphlet 2, 28 p. Joesting, H.R., and Anderson, E., 1942, Preliminary report on the My Creek stibnite prospect, Fortymile district, Alaska: Alaska Territorial Department of Mines Property Examination PE 60-1, 4 p. Jones, W.C., Rogers, F.K., and Stratman, J.M., 1982, Alaska asbestos project--1981 exploration program regional exploration; Volume 1 of 2: Doyon, Ltd. Report 82-23, 112 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Keith, T.E.C., and Foster, H.L., 1973, Basic data on ultramafic rocks of the Eagle quadrangle, east-central Alaska: U.S. Geological Survey Open-File Report 73-140, 4 sheets. Keith, T.E., Foster, H.L., Foster, R.L., Post, E.V., and Lehmbeck, W.L., 1981, Geology of an alpine-type peridotite in the Mt. Sorenson area, east-central Alaska: U.S. Geological Survey Professional Paper 1170-A, p. A1-A9. Keith, T.E.C., Page, N.J., Oscarson, R.L., and Foster, H.L., 1987, Platinum-group element concentrations in a biotite-rich clinopyroxenite suite, Eagle C-3 quadrangle, Alaska, in Hamilton, T.D., and Galloway, J.P., eds., Geologic Studies in Alaska by the U.S Geological Survey during 1986: U.S. Geological Survey Circular 998, p. 62-66. Koschmann, A.H., and Bergendahl, M.H., 1968, Principal gold-producing districts of the United States: U.S. Geological Survey Professional Paper 610, 283 p. Laybourn, D. and Doyon, Ltd., 1979, 1979 annual progress report, Little Enchilada prospect: Doyon, Ltd. Report 79-32. (Report held by Doyon, Ltd., Fairbanks, Alaska). Layer, P.W., Drake, J., and Szumigala, D.J., 2002, 40Ar/39Ar dates for mineralization and igneous and metamorphic rocks in a portion of the Fortymile mining district, Eagle quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Preliminary Interpretive Report. [In preparation in 2002] Lessman, J., 1979, 1978 annual progress report, Doyon Project, South Block 8, tungsten and gold anomalies: Doyon, Ltd. Report 79-13. (Report held by Doyon, Ltd., Fairbanks, Alaska). Lessman, J., Dea, P., and Ruzicka, J., 1978, 1977 annual progress report, Doyon Project, Volume 7, Mt. Harper area: Doyon, Ltd. Report 78-01. (Report held by Doyon, Ltd., Fairbanks, Alaska). Lessman, J., Dea, P., and Ruzicka, J., 1978, 1977 annual progress report, Doyon Project, Volume 8, Mt. Veta area: Doyon, Ltd. Report 78-05. (Report held by Doyon, Ltd., Fairbanks, Alaska). Lessman, J., and Holm, B., 1978, 1977 annual progress report, Doyon Project, Champion-Lead Creek area: Doyon, Ltd. Report 78-02. (Report held by Doyon, Ltd., Fairbanks, Alaska). Lessman, J., and Holm, B., 1978, 1977 annual progress report, Doyon Project, Volume 8, Mt. Veta area: Doyon, Ltd. Report 78-05. (Report held by Doyon, Ltd., Fairbanks, Alaska). Lessman, J., and Rishel, J., 1978, 1977 annual progress report, Doyon Project, Volume 12, Middle Fork tungsten anomalies: Doyon, Ltd. Report 78-10. (Report held by Doyon, Ltd., Fairbanks, Alaska). Lessman, J., and Rishel, J., 1978, 1977 annual progress report, Doyon Project, Volume 25, Blocks 7 and 8: Other prospects: Doyon, Ltd. Report 78-19. (Report held by Doyon, Ltd., Fairbanks, Alaska). Lessman, J, and Young, T., 1979, 1978 annual progress report, Doyon project, Larsen Ridge area: Doyon, Ltd. Report 79-05, 38 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Magathan, E., 1979, The geology of east-central and west-central Yukon: A report prepared for the Louisiana Land and Exploration Company, Denver, Colorado: Doyon, Ltd. Report 79-39. (Report held by Doyon, Ltd., Fairbanks, Alaska). Malone, Kevin, 1962, Mercury occurrences in Alaska: U.S. Bureau of Mines Information Circular 8131, 57 p. Malone, Kevin, 1965, Mercury in Alaska, in U.S. Bureau of Mines, Mercury Potential of the United States: U.S. Bureau of Mines Information Circular 8252, p. 31-59. Martin, G.C., 1919, The Alaskan mining industry in 1917: U.S. Geological Survey Bulletin 692-A, p. 11-42. Martin, G.C., 1920, The Alaskan mining industry in 1918: U.S. Geological Survey Bulletin 712, p. 11-52. McConnell, R.G., 1905, Report on the Klondike gold fields: Geological Survey of Canada Annual Report, v. XII, 1901, Part B, 71 p. Mertie, J.B., Jr., 1930, Mining in the Fortymile district: U.S. Geological Survey Bulletin 813-C, p. 125-142. Mertie, J.B., Jr., 1930, Geology of the Eagle-Circle district, Alaska: U.S. Geological Survey Bulletin 816, 168 p. Mertie, J.B., Jr., 1931, A geologic reconnaissance of the Dennison Fork district, Alaska: U.S. Geological Survey Bulletin 827, 44 p. Mertie, J.B., Jr., 1937, The Yukon-Tanana region, Alaska: U.S. Geological Survey Bulletin 872, 276 p. Mertie, J.B., Jr., 1938, Gold placers of the Fortymile, Eagle, and Circle districts, Alaska: U.S. Geological Survey Bulletin 897-C, p. 133-261. Mertie, J.B., Jr., 1942, Tertiary deposits of the Eagle-Circle district, Alaska: U.S. Geological Survey Bulletin 917-D, p. 213-264. Mertie, J.B., Jr., 1969, Economic geology of the platinum minerals: U.S. Geological Survey Professional Paper 630, 120 p. Metz, P.A., and Hawkins, D.B., 1981, A summary of gold fineness values from Alaska placer deposits: Fairbanks, University of Alaska Mineral Research Laboratory Report No. 45, 63 p. Mitchell, S., 1988, Gold miners take the "Kink" out of the Fortymile: Northland News, Fairbanks, AK, p. 8-9. Moffit, F.H., 1927, Mineral industry of Alaska in 1925: U.S. Geological Survey Bulletin 792, p. 1-39. Mortensen, J. K., compiler, 1988, Geology, southwestern Dawson map area, Yukon Territory (NTS 116B, C): Geological Survey of Canada Open File 1927, 1 sheet, scale 1:250 000. Mortensen, J.K. (compiler), 1999, Yukonage--An isotopic age database for the Yukon Territory, in Gordey, S.P., and Makepeace, A.J., compilers, Yukon Digital Geology: Indian and Northern Affairs Canada, Exploration and Geological Services Division, Yukon Region. Naske, C.M., 1977, The historic Forty-mile District: The Northern Engineer, v. 8, no. 2, p. 38-55. Nelson, A.E., West, W.S., and Matzko, J.J., 1954, Reconnaissance for radioactive deposits in eastern Alaska: U.S. Geological Survey Circular 348, 21 p. Newberry, R.J., 1995, An update on skarn deposits of Alaska: Alaska Division of Geological and Geophysical Surveys Public-Data File 95-20, 72 p., 1 disk. Newberry, R.J., Allegro, G.L., Cutler, S.E., Hagen-Levelle, J.H., Adams, D.D., Nicholson, L.C., Weglarz, T.B., Bakke, A.A., Clautice, K.H., Coulter, G.A., Ford, M.J., Myers, G.L., and Szumigala, D.J., 1997, Skarn deposits of Alaska, in Goldfarb, R.J., and Miller, L.D., eds., Mineral Deposits of Alaska: Economic Geology Monograph 9, p. 355-395. Newberry, R.J., Layer, P.W., Burleigh, R.E., and Solie, D.N., 1998, New 40Ar/39Ar dates for intrusion and mineral prospects in the eastern Yukon-Tanana Terrane, Alaska - Regional patterns and significance, in Gray, J.E., and Riehle, J.R., eds., Geological Studies in Alaska by the U.S. Geological Survey, 1996, U. S. Geological Survey Professional Paper 1595, p. 131-159. Overstreet, W.C., 1967, The geologic occurrence of monazite: U.S. Geological Survey Professional Paper 530, 327 p. Pinney, D.S., 2001, Surficial-geologic map of the Eagle A-2 quadrangle, Fortymile mining district, Alaska: Alaska Division of Geological and Geophysical Surveys Preliminary Interpretive Report 2001-3c, 1 sheet, scale 1:63,360. Porter, E.A., 1912, Placer mining in the Fortymile, Eagle, and Seventymile River districts: U.S. Geological Survey Bulletin 520-G, p. 211-218. Powers, J.B., 1935, Brief history of the Fortymile and Eagle Mining Districts to 1935: Alaska Territorial Department of Mines Mineral Report MR 60-2, 19 p. Prindle, L.M., 1905, The gold placers of the Fortymile, Birch Creek, and Fairbanks regions, Alaska: U.S. Geological Survey Bulletin 251, 89 p. Prindle, L.M., 1906, Yukon placer fields: U.S. Geological Survey Bulletin 284, p. 109-127. Prindle, L.M., 1906, The Yukon-Tanana region, Alaska; Description of Circle quadrangle: U.S. Geological Survey Bulletin 295, 27 p. Prindle, L.M., 1908, Occurrence of gold in the Yukon-Tanana region, in Brooks, A.H., ed., Mineral Resources of Alaska, Report on progress of investigations in 1907: U.S. Geological Survey Bulletin 345, p. 179-186. Prindle, L.M., 1908, The Fortymile gold-placer district, in Brooks, A.H., ed., Mineral Resources of Alaska, Report on progress of investigations in 1907: U.S. Geological Survey Bulletin 345, p. 187-197. Prindle, L.M., 1909, The Fortymile quadrangle, Yukon-Tanana region, Alaska: U.S. Geological Survey Bulletin 375, 52 p. Prindle, L.M., 1913, A geologic reconnaissance of the Circle quadrangle, Alaska: U.S. Geological Survey Bulletin 538, 82 p. Purington, C.W., 1905, Methods and costs of gravel and placer mining in Alaska: U.S. Geological Survey Bulletin 263, 273 p. Resource Associates of Alaska, 1977, Boundary Prospect report: Ocean Home Exploration Company, Limited report, p. 27-43 (Report held by University of Alaska Museum, Fairbanks, Alaska). Robinson, R.F., 1979, Happy Mountain project area report: Doyon, Ltd. Report, 7 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Rodreguiz, R.G., compiler, 1984, Report summaries - Alaska asbestos project; 1969-78: Doyon, Ltd. Report 84-16, 23 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Roehm, J.C., 1949, Report of investigations and itinerary of J.C. Roehm[, associate mining engineer, Territorial Department of Mines] in the Fortymile Precinct, Alaska: Alaska Territorial Department of Mines Investigation Report IR 60-1, 9 p. Rogers, Bob, and Bradley, Laura, 1998, Gold deposits of the Seventymile Belt: Extended Abstracts of the 16th Biennial Conference on Alaskan Mining, Second Rush of 98; Alaska Miners Association meeting March 2-7, 1998, Fairbanks, Alaska, p. 22. Saunders, R.H., 1953, Report on the preliminary examination of the Fred J. Jenkins property near Eagle, Alaska: Alaska Territorial Department of Mines Property Examination PE 60-3, 14 p. Saunders, R.H., 1954, Flume Creek, lode gold prospect (Alaska Nickel Co.): Alaska Territorial Department of Mines Property Examination PE 60-4, 9 p. Saunders, R.H., 1955, Report on the examination of the Copper Creek copper prospect: Alaska Territorial Department of Mines Mineral Investigations 60-1, 10 p. Saunders, R.H., 1956, Notes on the occurrence of cinnabar at Canyon Creek: Alaska Territorial Department of Mines Mineral Investigations 60-2, 5 p. Saunders, R.H., 1957, Report on the La Flamme copper prospect (South Fork Lodge and Chicken Creek) Alaska Territorial Department of Mines Property Examination PE 60-6, 6 p. Saunders, R.H., 1960, Report on a magnetite occurrence near Boundary (Turk Creek): Alaska Division of Mines and Minerals Prospect Evaluation Report PE 60-8, 3 p. Saunders, R.H., 1962, My Creek and Our Creek silver prospects, Fortymile district, Eagle quadrangle: Alaska Division of Mines and Minerals Property Examination PE 60-10, 8 p. Saunders, R.H., 1962, Report on the examination of the Mitchell copper prospect, Eagle quadrangle: Alaska Division of Mines and Minerals Property Examination PE 60-11, 5 p., 3 maps. Saunders, R.H., 1962, Copper Creek prospect, Eagle Quadrangle: Alaska Division of Mines and Minerals, Report for the year 1962, abstract, Juneau, Alaska, p. 85-88. Saunders, R.H., 1966, A geochemical investigation along the Taylor Highway, east central Alaska: Alaska Division of Mines and Minerals Geochemical Report 9, 17 p. Schmidt, J.M., 1997, Shale-hosted Zn-Pb-Ag and barite deposits of Alaska, in Goldfarb, R.J., and Miller, L.D., eds., Mineral Deposits of Alaska: Economic Geology Monograph 9, p. 35-65. Smit, Hans, 2000, Boundary property: Grayd Resource Corporation report, unpublished, 3 p., 1 map. (Report held by Grayd Resource Corporation, Vancouver, British Columbia, Canada). Smith, P.S., 1926, Mineral industry of Alaska in 1924: U.S. Geological Survey Bulletin 783, p. 1-30. Smith, P.S., 1929, Mineral industry of Alaska in 1926: U.S. Geological Survey Bulletin 797, p. 1-50. Smith, P.S., 1930, Mineral industry of Alaska in 1927: U.S. Geological Survey Bulletin 810, p. 1-64. Smith, P.S., 1930, Mineral industry of Alaska in 1928: U.S. Geological Survey Bulletin 813, p. 1-72. Smith, P.S., 1932, Mineral industry of Alaska in 1929: U.S. Geological Survey Bulletin 824-A, p. 1-81. Smith, P.S., 1933, Mineral industry of Alaska in 1930: U.S. Geological Survey Bulletin 836-A, p. 1-83. Smith, P.S., 1933, Mineral industry of Alaska in 1931: U.S. Geological Survey Bulletin 844-A, p. 1-82. Smith, P.S., 1934, Mineral industry of Alaska in 1932: U.S. Geological Survey Bulletin 857-A, p. 1-91. Smith, P.S., 1934, Past placer gold production from Alaska: U.S. Geological Survey Bulletin 857-B, p. 93-98. Smith, P.S., 1934, Mineral industry of Alaska in 1933: U.S. Geological Survey Bulletin 864-A, p. 1-94. Smith, P.S., 1936, Mineral industry of Alaska in 1934: U.S. Geological Survey Bulletin 868-A, p. 1-91. Smith, P.S., 1937, Mineral industry of Alaska in 1935: U.S. Geological Survey Bulletin 880-A, p. 1-95. Smith, P.S., 1938, Mineral industry of Alaska in 1936: U.S. Geological Survey Bulletin 897-A, p. 1-107. Smith, P.S., 1939, Mineral industry of Alaska in 1937: U.S. Geological Survey Bulletin 910-A, p. 1-113. Smith, P.S., 1939, Mineral industry of Alaska in 1938: U.S. Geological Survey Bulletin 917-A, p. 1-113. Smith, P.S., 1941, Fineness of gold from Alaskan placers: U.S. Geological Survey Bulletin 910-C, p. 142-272. Smith, P.S., 1941, Mineral industry of Alaska in 1939: U.S. Geological Survey Bulletin 926-A, p. 1-106. Smith, P.S., 1942, Occurrence of molybdenum minerals in Alaska: U.S. Geological Survey Bulletin 926-C, p. 161-210. Smith, P.S., 1942, Mineral industry of Alaska in 1940: U.S. Geological Survey Bulletin 933-A, p. 1-102. Smith, W.H., 1968, Geochemical investigation of a portion of the Fortymile district, Alaska: Alaska Division of Mines and Minerals Geochemical Report 16, 17 p. Smith, W.H., 1969, A geological and geochemical investigation of mineralization on hill 3560, Fortymile District, Alaska: University of Alaska Fairbanks, (unpublished) M.Sc. thesis, 46 p. Spurr, J.E., 1898, Geology of the Yukon gold district, Alaska, with an introductory chapter on the history and conditions of the district to 1897: U.S. Geological Survey Eighteenth Annual Report, Part 3, p. 87-392, 3 plates. Swainbank, R.C., Bundtzen, T.K., Clough, A.H., Hansen, E.W., and Nelson, M.G., 1993, Alaska's Mineral Industry 1992: Alaska Division of Geological and Geophysical Surveys Special Report 47, 80 p. Swainbank, R.C., Bundtzen, T.K., Clough, A.H., and Henning, M.W., 1997, Alaska's Mineral Industry 1996: Alaska Division of Geological and Geophysical Surveys Special Report 51, 68 p. Swainbank, R.C., Bundtzen, T.K., Clough, A.H., Henning, M.W., and Charlie, K.M., 1996, Alaska's Mineral Industry 1995: Alaska Division of Geological and Geophysical Surveys Special Report 50, 72 p. Swainbank, R.C., Bundtzen, T.K., Clough, A.H., Henning, M.W., and Hansen, E.W., 1994, Alaska's Mineral Industry 1993: Alaska Division of Geological and Geophysical Surveys Special Report 48, 84 p. Swainbank, R.C., Bundtzen, T.K., Clough, A.H., Henning, M.W., and Hansen, E.W., 1995, Alaska's Mineral Industry 1994: Alaska Division of Geological and Geophysical Surveys Special Report 49, 77 p. Swainbank, R.C., Bundtzen, T.K., and Wood, J., 1991, Alaska's Mineral Industry 1990: Alaska Division of Geological and Geophysical Surveys Special Report 45, 78 p. Swainbank, R.C., Clautice, K.H., and Nauman, J.L., 1998, Alaska's Mineral Industry 1998: Alaska Division of Geological and Geophysical Surveys Special Report 52, 65 p. Swainbank, R.C., Szumigala, D.J., Henning, M.W., and Pillifant, F.M., 2002, Alaska's Mineral Industry 2001: Alaska Division of Geological and Geophysical Surveys Special Report 56, 65 p. Sweet, K., 1982, Interpretation report of the geophysical surveys conducted on Block 8 and Block 20: Doyon, Ltd. Report 82-36. (Report held by Doyon, Ltd., Fairbanks, Alaska). Szumigala, D.J., Newberry, R.J., Werdon, M.B., Finseth, B.A., Pinney, D.S., and Flynn, R.L., 2000, Major-oxide, minor-oxide, trace-element, and geochemical data from rocks collected in a portion of the Fortymile mining district, Alaska, in 1999: Alaska Division of Geological and Geophysical Surveys Raw-Data File 2000-1, 24 p., 2 sheets, scale 1:63,360. Szumigala, D.J., Newberry, R.J., Werdon, M.B., Athey, J.E., Flynn, R.L., and Clautice, K.C., 2002, Bedrock geologic map of the Eagle A-1 quadrangle, Fortymile mining district, Alaska: Alaska Division of Geological and Geophysical Surveys Preliminary Interpretive Report 2002-1b, 1 sheet, scale 1:63,360. Szumigala, D.J., Swainbank, R.C., Henning, M.W., and Pillifant, F.M., 2001; Alaska's Mineral Industry 2000: Alaska Division of Geological and Geophysical Surveys Special Report 55, 66 p. Thorne, R.L., Muir, N.M., Erickson, A.W., Thomas, B.I., Heide, H.E., and Wright, W.S., 1948, Tungsten deposits in Alaska: U.S. Bureau of Mines Report of Investigations 4174, 22 p. U.S. Bureau of Mines, 1995, Final report of the mineral resource evaluation of the Bureau of Land Management Black River and Fortymile River subunits: U.S. Bureau of Mines Open-File Report 79-95, 226 p. Union Carbide Corp., 1980, 1979 Lucky 13 project area report: Doyon, Ltd. Report 80-16 (Report held by Doyon, Ltd., Fairbanks, Alaska). Ventures Resource Corp., 2001, 2000 Annual report: Ventures Resource Corporation, 31 p. Ventures Resource Corp., 2002, 2001 Annual report: Ventures Resource Corporation, 32 p. Wasserberg, G.J., Eberlein, G.D., and Lanphere, M.A., 1963, Age of Birch Creek Schist and some batholithic intrusion in Alaska [abs.]: Geological Society of America Special Paper 73, p. 258-259. Wedow, Helmuth, Jr., 1954, Reconnaissance for radioactive deposits in the Eagle-Nation area, east-central Alaska, 1948: U.S. Geological Survey Circular 316, 9 p. Wedow, Helmuth, Jr., White, M.G., and Moxham, R.M., 1952, Interim report on an appraisal of the uranium possibilities of Alaska: U.S. Geological Survey Open-File Report 52-165, 124 p. Wedow, Helmuth, Jr., White, M.G., and Tolbert, G.E., 1954, Reconnaissance for radioactive deposits in east-central Alaska, 1949: U.S. Geological Survey Circular 335, 22 p. Werdon, M.B., Newberry, R.J., and Szumigala, D.J., 2001, Bedrock geologic map of the Eagle A-2 quadrangle, Fortymile mining district, Alaska: Alaska Division of Geological and Geophysical Surveys Preliminary Interpretive Report 2001-3b, 1sheet, scale 1:63,360. Werdon, M.B., Szumigala, D.J., Newberry, R.J., Grady, J.C., and Munly, W.C., 2000, Major oxide, minor oxide, trace element, rare-earth element, and geochemical data from rocks collected in Eagle and Tanacross quadrangles, Alaska in 2000: Alaska Division of Geological and Geophysical Surveys Raw-Data File 2000-4, 27 p., 3 sheets, scale 1:63,360. WGM Inc., 1976, Doyon Project, 1975 annual progress report, volume 1: Doyon, Ltd. Report 76-05a, 169 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). WGM Inc., 1976, Doyon Project, 1975 annual progress report; oversize figures (volume 4): Doyon, Ltd. Report 76-05b. (Report held by Doyon, Ltd., Fairbanks, Alaska). WGM Inc., 1977, Doyon Project, 1976 annual progress report, volume 1a, Blocks 1, 4, 5, 7, 8: Doyon, Ltd. Report 77-02a. (Report held by Doyon, Ltd., Fairbanks, Alaska). WGM Inc., 1979, Carrie Creek, Duval Creek, Little Whiteman Creek, and Granite Creek: Summary of information as of end of 1979 project year: Doyon, Ltd. Report 79-38, 14 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). WGM Inc., 1979, Summary of information on Carrie Creek, Duval Creek, Little Whiteman Creek, and Granite Creek, 1979: Doyon, Ltd. Report 79-03. (Report held by Doyon, Ltd., Fairbanks, Alaska). WGM Inc., 1980, Doyon Project, 1979 annual progress report; Tanacross molybdenum reconnaissance: Doyon, Ltd. Report 80-17, 15 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). WGM Inc., 1998, Veta property, 1997 annual report, volume 1: Doyon, Ltd. Report 98-10, 227 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). WGM Inc., 1998, Ventures Resource Alaska projects, 1997 progress report, Champion property exploration: Doyon, Ltd. Report 98-12, 64 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). WGM Inc., 1998, Ventures Resource Alaska projects, 1997 progress report, Seventymile property exploration, volume 1: Doyon, Ltd. Report 98-19. (Report held by Doyon, Ltd., Fairbanks, Alaska). WGM Inc., 2000, Champion property summary, in Ventures Resource Alaska project overview and properties summary: Ventures Resource Corporation report. WGM Inc., 2000, Seventymile property summary, in Ventures Resource Alaska project overview and properties summary: Ventures Resource Corporation report. WGM Inc., 2000, Veta property summary, in Ventures Resource Alaska project overview and properties summary: Ventures Resource Corporation report. White, M.G., Nelson, A.E., and Matzko, J.J., 1963, Radiometric investigation along the Taylor Highway and part of the Tanana River, Alaska: U.S. Geological Survey Bulletin 1155, p. 77-82. Williams, J.A., 1950, Mining operations in the Fortymile district, Fairbanks Recording District: Alaska Territorial Department of Mines Mineral [Miscellaneous] Report MR 60-3, 5 p. Williams, J.A., 1951, Active mining operations in the Fortymile District of the Fairbanks Precinct in 1951: Alaska Territorial Department of Mines, Mineral [Miscellaneous] Report MR 60-3A, 3 p. Wiltse, M.A., 1978, Central Alaska stratiform Ag-Pb-Zn project 522: Anaconda Company report [unpublished], 174 p. (Report held by Alaska Division of Geological and Geophysical Surveys, Fairbanks, Alaska). Wimmler, N.L., 1949, Notes on placer mining activity in the Fortymile district in 1929: Alaska Territorial Department of Mines Investigation Report IR 60-2, 2 p. Yeend, W.E., 1992, Gold placers, gold source, and high terrace gravels in the Fortymile River area, Alaska, in Bradley, D.C., and Ford, A.B., eds., Geological studies in Alaska by the U.S. Geological Survey, 1990: U.S. Geological Survey Bulletin 1999, p. 228-230. Yeend, W.E., 1996, Gold placers of the historical Fortymile River region, Alaska: U.S. Geological survey Bulletin 2125, 75 p., 1 sheet, 1:250,000 scale. Yinger, M., Randolph, D., and Ruzicka, J., 1979, Doyon Project, 1978 annual progress report, Happy Mountain prospect report: Doyon, Ltd. Report 78-35. (Report held by Doyon, Ltd., Fairbanks, Alaska).