Contributions

  • Erdman, James A., joint author. - Contributor
  • Keith, John R., joint author. - Contributor

Publication

1970 - U.S. Geological Survey, Washington, District of Columbia

Language

English

Word Count

48,500 words, Guess

Page Count

194 pages

Identifiers

Classifications

  • DDC623.4/5
  • LCCUG465.5 .S5

Subjects

Series Statement

  • Geological Survey. Technical letter

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