Author

Contributions

  • Geological Survey (U.S.) - Contributor
  • United States. National Aeronautics and Space Administration - Contributor

Publication

1991 - U.S. Dept. of the Interior, U.S. Geological Survey, Menlo Park, CA, California

Language

English

Word Count

5,500 words, Guess

Page Count

22 pages

Physical Format

Microform

Identifiers

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