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<br />"'"" <br />r- <br />C\J <br /> <br />for the impervious section of the dam were taken from exposed banks of <br /> <br />both East and \'lest Rifle creeks. Sufficient quantity of such material <br /> <br />is available for dam construction. Pervious material, it is believed, <br /> <br />can be secured from the upper section of the reservoir basin,lP.i.tMR a <br /> <br />P9as6nabi.... haul. <br /> <br />R!prap <br /> <br />Sandstone ridges across the can,yon abutments can be used for riprap <br />iJ,... . <br />material on both"upstream and downstream face of the dam. <br /> <br />AA.e:regates <br /> <br />Suitable sand and gravel for concrete)as indicated by testaof the <br /> <br />, <br />~ ! <br /> <br />State Highway Departmen~ can be secured along the Colorado River one- <br /> <br />half mile west of Rifle. It is also believed that satisfactory aggregate <br /> <br />can be obtained from the higher terraces of the Colorado !liver within <br /> <br />I <br /> <br />a few miles of the dam site. <br /> <br />Ri.e:ht-of-wa.V <br /> <br />Right-of-way for the reservoir involves land Wlder four owner- <br /> <br />ships and one coal lease on government land. Several 40 acre tracts <br /> <br />in the vicinity of the dam site are public land and have been with- <br /> <br />drawn for reservoir development purposes. Two ownerships include all <br /> <br />the irrigated land and in addition several adjoining 40 acre tracts <br /> <br />;~. <br /> <br />. used for pasture will be acquired as they would not be useable without <br /> <br />c"'. <br /> <br />the irrigated areas. <br />The total area of private land which will be acquired is 880 acres <br /> <br />of which 217 are irrigated mostly for hay, gmn and pasture. Improve- <br /> <br />ments consist of one set of farm buildings, a one room school building, <br /> <br />9 temporary buildings 5 of which are dwellings, and one coal tipple <br />