Symposium on the Economics of Watershed Planning, Knoxville ( 1959) creator Tolley, George S. 1925- Riggs, Fletcher Eugene. text bibliography conference publication iau Ames Iowa State University Press c1961 1961 monographic eng

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ix, 339 p. : maps, diagrs., tables. ; 24 cm. Edited by G.S. Tolley and F.E. Riggs. [Sponsored by the Southeast Land Tenure Research Committee, the Farm Foundation, and the Tennessee Valley Authority] Bibliographical footnotes. Watersheds Water resources development HD1691 .S9 1959 333.91 TOE 60016602 DLC 720131 20140814143030.0 10299621