Publication

1960 - Electa editrice, Washington, District of Columbia

Language

English

Word Count

2,500 words, Guess

Page Count

10 pages

Identifiers

Classifications

  • LCCQE75 .C5 no.432
  • LCCPL1071 .T75

Subjects

Series Statement

  • Geological Survey (U.S.). Circular -- 432
  • Geological Survey circular -- 432.

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