Spoil water quality variations at two regraded surface mine in Pennsylvania.
By: K. J. Ladwig and P. Campion.
Contributors: Campion, Peter S. A.
Publisher: s.n
Published: 1985
Place of publication: S.l
Notes: Pages 121-130 in D. H. Graves (ed). Symp. on Surface Mining, Hydrology, and Reclamation. Univ. KY, Lexington. 439pp.

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