W. P. A. Seals Abandoned Coal Mines in War Against Ohio Stream Pollution

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Title: W. P. A. Seals Abandoned Coal Mines in War Against Ohio Stream Pollution
Issue Date: 1938-05
Publisher: Ohio State University, College of Engineering
Citation: Ohio State Engineer, vol. 21, no. 6 (May, 1938), 6.
URI: http://hdl.handle.net/1811/35521
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