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Principal gold-producing districts of the United States / by A. H. Koschmann and M. H. Bergendahl.

by Koschmann, Albert Herbert, 1896-1962 | Bergendahl, Maximilian Hilmar, 1921-.

Material type: book Book Publisher: Washington : United States Government Printing Office, 1968Availability: Items available for loan: Biblioteca Aranzadi [Call number: 553.41(73) KOS] (1).
Geology and lode-gold deposits of the Nuka Bay area, Kenai Peninsula, Alaska / by Donald H. Richter.

by Richter, Donald H.

Material type: book Book Publisher: Washington : United States Government Printing Office, 1970Availability: Items available for loan: Biblioteca Aranzadi [Call number: 553.41(798) RIC] (1).
Distribution of gold in igneous rocks / by David Gottfried, Jack J. Rowe and Robert I. Tilling.

by GOTTFRIED, David | Rowe, Jack J | Tilling, Robert I, 1935-.

Material type: book Book Publisher: Washington : United States Government Printing Office, 1972Availability: Items available for loan: Biblioteca Aranzadi [Call number: 552.3:553.41 GOT] (1).
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