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Reservoirs at the headwaters of the Allegheny, Monongahela, and Ohio Rivers and their tributaries. Letter from the Secretary of War, transmitting, ... report on the necessity and p...
Published 1913Subjects: “…Flood Commission (Pennsylvania) Readex congressional thesaurus.…”
Online Access
Government Document Electronic eBook -
2
Quality of water in the upper Ohio River basin and at Erie, Pa., by Samuel James Lewis. [U.S. Geological Survey Water Supply and Irrigation Paper No. 161. Series L, Quality of Wate...
Published 1906Online Access
Government Document Electronic eBook