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Displaying 1 - 5 of 5

Prospecting for Gold Ores

Year: 1932  |  P-36  (Pamphlets)

Authors
John W. Finch

The Recovery of Gold From Its Ores

Year: 1932  |  P-37  (Pamphlets)

Authors
A.W. Fahrenwald

Biennial Report on the Activities of the Bureau

Year: 1932  |  P-38  (Pamphlets)

Authors
John W. Finch

Gold-Bearing Gravel of the Nezperce National Forest, Idaho County, Idaho

Year: 1934  |  P-40  (Pamphlets)

Authors
John C. Reed

Geology of the Pearl-Horseshoe Bend Gold Belt, Idaho

Year: 1934  |  P-41  (Pamphlets)

Authors
Alfred L. Anderson