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nn~39~ now the world's highest dam. It was dedicated by P~esident franklin D. Roosevelt on September 30, 193;. Many project acts 'f,"ere IXl'ssro. enabling acts 10 build projects all over the- West. but in 1939lhe basic Reclamation Project Act was signed on Auy-ust 4. by President Franklin D. Roosevelt. Another act worthy oi mention was the Flood Control Act. signed by President Roosevelt on De-- ceP.'lber 22, 1944, authorizmg the Missouri Rivl?r Project, the largest peace-lime construction ever undertaken. The story of the growth of Reclamation is the story of the multiple-purpose project. In 011 resource development. the need has brought forth the de- mand. which in turn has inspired the technique lor building more and greater systems for the irrigation of land. from the Ilrst crude ditches, hand.shoveled di- rectly Irom a stream to provide irrigation for some small garden patch. the next step was usually a larger ditch scooped out by a horse- or oxen-drawn slip to irrigate some hay land. or even 0 sma!! farm. HamEL-made diversions, forl1fied with willow wands and plum brush. and anchored with buckets 01 sand or scrap metal. gave way to more substantial con- crele structures. The next step was to build a diversion canal that would have sufficient drop to allow the water to spread over greater areas 01 land. These were usually coperatlve ventures between the neighbors. Sometimes they formed a formal irrigation district. Presently, the on-river diversions were exhausted be- cause irrigation seasons ineviiably come in low. stream-flow cycles. The next natural step was to store winter and flood run-olf. Stora'':1e reservoirs cost money_ The problem then was to provide 0 means of paying for lhis storage without loading all cf the cost onto the irrigo:or. which costs in many instances would be prohibillve. Meanwhile. Bureau engineers were using the energy frem falling water to provide power lor dam- building. When they were Iinished with the build- mg, local communiUes wonted. the advontaq<?s of eleclric power Jar the-ir own use. The first example o! this was the Roosevelt plant on lhe Soh River Valley Project in Arizona in 1906. The second was the Spanish Fork power plant on the Strawberry Volley Project in Utah. built in 1908 for !he some reason. The power plants at Lingle and Guernsey. Wyominq. on the North PlaHe River, were olner examples_ The next need was for addil10nal power for pump- ing the water onto higher land. As an example, Black Canyon po.....er planl, completed in 1925, was used for pumpinq water on the Owyhee project in Idaho and Oregon. It was deSigned as port of the Irrigation works. to provide grealer efficiency. How- ever. 0 local demand arose for that power among the farms ond homes, and to provide power lor the new industries that Immediaiely sprang up in the wake of the new irrigation projecl. The need for drainage bedeviled the early irri- gators. As lime went on, provision for drainage was set up in the original plans for reclamation projecls. Finally, lhe multiple-purpose project was recog- nized for what it actually was. a device making pos. SIble the greatest use oj the limited water supplies ot the West. ROOSE....ELT DAM [Aril0~.) ,