Author

Contributions

  • Dorr, John Van N. 1910- - Contributor

Publication

1940 - U.S. Govt. Print. Off., Washington, District of Columbia

Language

English

Word Count

61,250 words, Guess

Page Count

245 pages

Identifiers

Subjects

Topics

GeologyScheeliteOre depositsTungsten oresPlacer depositsVeins (Geology)Tungsten mines and mining

Series Statement

  • Geological Survey bulletin -- 922-H
  • Strategic minerals investigations

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