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<br />OO~llG5 <br /> <br />for eonet~ctlon materials for wagon ~eel Gap Dam vas made and investiga- <br />tlor.s of the alternate Ger!'ard De.m Site were initiAted. <br /> <br />Lend classification activities were initiated in April 1947. and work <br />~~s begun on co~111ng crop acreages and yields from ALA records a <br /> <br />Current field work consists of land classification surveys of 8. balence <br />of 800e 325.000 acres. Thie york viII continue into the winter months as long <br />as weather conditions permit, and will be relnitiat~ as 800n 8e weather <br />permits 1~ the spring. The engineering survey work remaining 18 expected <br />to be completed by early Buomsr of 1948. Economic studies will be carried <br />out concurrently. <br /> <br />The two-year cooperative groundwater investigations. &s explained at <br />the beginning of this letter. should be completed by JanuarT I, 1950. Thie <br />work consists of installing shallow wells, gaging statione. chemical analYBeB. <br />and periodiC measurement of flows in irrigation and drainage ditches. Results <br />are expected to include a determination of the rate of encroachment of alkali <br />on irrigable areas. ~ <br /> <br />Cost of the lU.o Grande Division activities through September 30. 1947. <br />ie $202,621. <br /> <br />IV. We~inuche Pass Division of the San Luis Valley Project. <br /> <br />The authoril"ed wrks of the Weminuche Pfl.B~ Transmountain Diversion <br />provides for the diversion of water from the Colorado River Basin for use as <br />a supplemental BUpply to the Rio Grande Division of the project. <br /> <br />, <br />, <br /> <br />Data provided by th~ authorizing document is general in nature. Certain <br />necessary detailed investigations have been conducted since authorization. <br /> <br />water supply studies are essentially complete. Field surveys and plans <br />are approximately 65 percent complete. <br /> <br />Current work consists of adjust~ent and revIew of water supply studies <br />and the initiation and completion of diversion canal surveys. It is also <br />necessary to correlate operations with the Rio Grande Divi.lon Plan for water <br />storage, irrigation and power development. ~ now estimated, the field surveys <br />are Bcneduled for completion during thlli SWl!ller of 1943. <br /> <br />As of September 30, 1947. the costs ineurred against the Weminuche Divi- <br />sion have baen negligible. <br /> <br />4. <br />