01005cam a22002651  450000100090000000300080000900500170001700800410003401000170007503500180009204000450011004200120015505000210016708200160018811100730020424501960027726000510047330000530052450400310057765000160060865000330062470000300065770000280068774000240071510299621BD-DhUL20140814143030.0720131s1961    iaub     b    101 0 eng    a   60016602   a(OCoLC)230972  aDLCcODaWUdOCoLCdWaChenEdDLCdBD-DhUL  apremarc00aHD1691b.S9 1959  a333.91bTOE2 aSymposium on the Economics of Watershed Planning, Knoxvilled( 1959)10aEconomics of watershed planning / cEdited by G.S. Tolley and F.E. Riggs.  [Sponsored by the Southeast Land Tenure Research Committee, the Farm Foundation, and the Tennessee Valley Authority]  aAmes : bIowa State University Press, cc1961.  aix, 339 p. : bmaps, diagrs., tables. ; c24 cm.  aBibliographical footnotes. 0aWatersheds. 0aWater resources development.1 aTolley, George S.,d1925-1 aRiggs, Fletcher Eugene.0 aWatershed planning.