Author

Contributions

  • Geological Survey (U.S.) - Contributor

Publication

1937 - U.S. Govt. Print. Off., Washington, District of Columbia

Language

English

Word Count

53,500 words, Guess

Page Count

214 pages

Identifiers

Subjects

Topics

CoalGeologyCoal reservesBituminous coalEconomic GeologyGeology, EconomicCoal mines and mining

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