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.
- Physical Description: 1 online resource (iv, 35-96, ix pages) : illustrations, maps.
- Publisher: Washington : Department of the Interior, United States Geological Survey, 1917.
Title from title screen (viewed September 17, 2014).
|Bibliography, etc. Note:||
Includes bibliographical references and index.
Search for related items by subject
|Subject:||Coal > Ohio.
Coal > United States.