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<br />SYNOPSIS AND CONCLUeIONS <br /> <br />The Mancos River. which is the most westerly paren- <br />nlel triblltery of the San Juan River. irrigateu the Mancos <br />Valley. 'which lies et the foot of the MlIIncos watershed on the <br />west slope of the La Plata MOlUlta.inS. and east of the cele- <br />brated IdeIl8 Verde National Perk. The river, Ylbich consists <br />of three principel forks, West, East, lInd Middle Mancos <br />Rivers, is ,charllctarized by e light rate of runoff lUId by <br />early epring floods lesting about 40 days during the period <br />April to JIlI18. If it were not for the very quick respODse <br />1n flow, which follows fre'luont sumcer reins 00 the water- <br />shed llnd las ta for II fa'll dS.1Il, the ElWlllller flow wolUd be <br />Mgllpble. It is usually ioadequllte for the irrigation <br />ot the lands now termed. <br />The upper bencllell of the project lWlda lie at e.lti- <br />t.udes DEI high es 7,500 feet whUe the 10wut lend in the riger <br />valley is et altitude 6,400, but the average is 7,000 feet. <br />The cllmate is l!l1m1lar to that of Gleml'ood Spr10g11 111 Western <br />Coloredo or of Fort. Collins in Eastern Colorado. The solls, <br />eJ.thoug!1 heavy 1n most places, end eeldolll Wlderleid with <br />g1'Bvel, lie on slopes which produce good drainage. end lleep- <br />age will llOt be a ser10ull problem. <br />Forage crops and agre1n heve been almost the only <br />Ilwplee grow. both because of lack of late water for row <br />A <br /> <br />2'2.0'0 <br />