Monongahela River. Site for locks and dam no. 4, Monongahela River, Pa., report to accompany H. J. Res. 441 [amending sec. 1 of act authorizing construction, repair, and preservation of certain public works on rivers and harbors, and for other purposes, approved July 3, 1930, relating to Monongahela River, Pa.]; submitted by Mr. Dempsey.

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