Context

Context of Emergency Flood Control Projects : Four Mile Run, Va., Potomac River Basin, James River Basin, Virginia, Greenbrier River, W.Va., and Souris River, North Dakota: hearings before the United States Senate Committee on Public Works, Subcommittee on Flood Control -- Rivers and Harbors, Ninety-First Congress, first session, on Sept. 17, 18, 1969
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