Author

Contributions

  • Geological Survey (U.S.) - Contributor

Publication

1983 - U.S. Geological Survey], [Alexandria, Va, Virginia

Language

English

Word Count

6,000 words, Guess

Page Count

24 pages

Identifiers

Classifications

  • DDC553.7/09796/1
  • LCCQE75 .C5 no. 866
  • LCCGB1199.7.I2 .C5 no. 866

Subjects

Series Statement

  • Geological Survey circular ;
  • 866

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