Contributions

  • Pratt, H. R. 1938- - Contributor
  • Geological Survey (U.S.) - Contributor

Publication

1988 - Books and Open-File Reports Section, distributor], Denver, CO, Colorado

Language

English

Word Count

3,750 words, Guess

Page Count

15 pages

Physical Format

Microform

Identifiers

Subjects

Series Statement

  • Open-file report -- 88-690
  • U.S. Geological Survey open-file report -- 88-690

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