The valuation of public coal lands : the value of coal land / by George H. Ashley, depth and minimum thickness of beds as limiting factors in valuation by Cassius A. Fisher.
Series InformationBulletin (Geological Survey (U.S.))
- Physical Description: 1 online resource (75 pages).
- Publisher: Washington, D.C. : Department of the Interior, United States Geological Survey, 1910.
- Distributor: Washington : Government Printing Office
Title from title screen (viewed June 30, 2014).
|Bibliography, etc. Note:||
Includes bibliographical references.
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