Author

Contributions

  • Geological Survey (U.S.) - Contributor

Publication

1891 - G.P.O., Washington, District of Columbia

Language

English

Word Count

8,250 words, Guess

Page Count

33 pages

Physical Format

Electronic resource

Identifiers

Subjects

Topics

Places

Series Statement

  • Bulletin of the United States Geological Survey -- no. 79
  • Nineteenth Century Collections Online: Science, Technology, and Medicine, Part I

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