Author

Publication

1931 - U.S. Govt. Print. Off., [Washington, District of Columbia

Language

English

Word Count

37,250 words, Guess

Page Count

149 pages

Identifiers

Classifications

  • LCCQE75 .P9 no. 165-D

Subjects

Series Statement

  • Geological Survey professional paper -- 165-D
  • Shorter contributions to general geology

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