Search Results for the EPA National Library Catalog

Items Found: 3

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Your Search: (AUTHOR=Walls AND David AND S.)


Select Item Title Year Published
A baseline assessment of coal industry structure in the Ohio River Basin Energy Study region : appendix, County coal profiles / 1979
Baseline Assessment of Coal Industry Structure in the Ohio River Basin Energy Study Region. 1981
Preliminary report : coal production, mines, employment and ownership, by state and county, in the ORBES region, 1976 : baseline study of coal industry in the ORBES region / 1978

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