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MSc	1979
B.A.	1974	San Francisco State University

General economic geology
magmatic-hydrothermal deposits
regional geologic mapping

2001 - Present	Supervisory Geologist
1983 - 2001	Reserach Geologist - USGS
1978 - 1983	Various exploration and Mining companies, western U.S., and Alaska (e.g. Noranda, Anaconda)

Schmidt, J.M., and Gamble, B.M, 2002, The Clark Bar Prospect: Granite-hosted Sn-Mo-Ag mineralization in the Northern Talkeetna Mountains, Southern Alaska: in Studies by the U.S. Geological Survey in Alaska in 2001: U.S. Geological Survey Professional Paper 1678, p. 1-13.

Gamble, B.M., Day, W.C., and Henning, M.W., 2001, Geochemistry of lithologic units, Fortymile River Study area, east-central Alaska, in, Gough, L.P., and Wilson, F.H., eds. Geologic Studies in Alaska by the U.S. Geological Survey, 1999: U.S. Geological Survey Professional Paper 1633, p. 127-134.

Barton, Paul B.; Brew, D. A.; Ayuso, R. A.; Gamble, B. M.; John, D. A.; Ludington, S. D.; Lindsey, D. A.; Force, E. R.; Goldfarb, R. J.; Johnson, K. M., 1995, Recommendations for assessments of undiscovered mineral resources: U.S. Geological Survey Open File Report 95-82, 139 p.

Du Bray, E. A.; Ludington, S. D.; Brooks, W. E.; Gamble, B. M.; Ratte, J. C.; Richter, D. H.; Soria-Escalante, Eduardo, 1995, Compositional characteristics of middle to upper Tertiary volcanic rocks of the Bolivian Altiplano; U.S. Geological Survey Bulletin 2119, 30 p.

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