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The coal fields of the United States. The coal fields of Ohio / by J.A. Bownocker, with a computation of the original coal content of the fields by F.R. Clark.

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Record details

  • Physical Description: 1 online resource (iv, 35-96, ix pages) : illustrations, maps.
  • Publisher: Washington : Department of the Interior, United States Geological Survey, 1917.

Content descriptions

General Note:
Title from title screen (viewed September 17, 2014).
Bibliography, etc. Note:
Includes bibliographical references and index.
Subject: Coal > Ohio.
Coal > United States.

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