Contributions

  • Cooper, Alan K. - Contributor
  • Geological Survey (U.S.) - Contributor

Publication

1984 - Dept. of the Interior, U.S. Geological Survey, Reston, Va.?, Virginia

Language

English

Word Count

3,000 words, Guess

Page Count

12 pages

Identifiers

Classifications

  • DDC559.8/9
  • LCCQE350 .E38 1984

Subjects

Series Statement

  • U.S. Geological Survey circular ;
  • 935

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