Proceedings in the Matter of Pollution of the Interstate Waters of the Monongahela River and Its Tributaries--Pennsylvania, West Virginia, Maryland, by West Virginia Conference in the Matter of Pollution of the Interstate Waters of the Monongahela River and Its Tributaries--Pennsylvania et al.

Title:	Proceedings in the Matter of Pollution of the Interstate Waters of the Monongahela River and Its Tributaries--Pennsylvania, West Virginia, Maryland
Alternate title:	Proceedings.
Author:	Conference in the Matter of Pollution of the Interstate Waters of the Monongahela River and Its Tributaries--Pennsylvania, West Virginia, Maryland (2nd Session : 1971 : Pittsburgh, Pa.)
Author:	United States. Environmental Protection Agency
Note:	Environmental Protection Agency, 1972

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Subject:	Conference papers and proceedings
Subject:	Congresses
Subject:	United States -- Monongahela River
Subject:	Water -- Pollution
Subject:	Water -- Pollution -- Monongahela River (W. Va. and Pa.) -- Congresses
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