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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />1437 <br /> <br />of 1985. A detailed discussion of the power costs was previously <br />provided. <br /> <br />D.3.6 Other Costs not Included <br />Other known costs which could be conside~ed are costs for aCcess <br />roads to the pump stations, right-of-way costs where pipelines or <br />pump stations may be on non-Indian land, and costs to p~ovide <br /> <br />elect~ic power service to the pump station. These costs a~e either <br /> <br />minor and/o~ difficult to estimate with available information. <br /> <br />Therefore, for these preliminary analyses, they have not been <br /> <br />considered at this time. <br /> <br />The cost of power line extensions to se~ve pumping facilities could <br /> <br />be quite high, especially if three phase power is required. Three <br />phase power will be required fo~ pump stations over 25 horsepower. <br /> <br />0.4 PRELIMINARY PRACTICABLE IRRIGABLE ACREAGE <br /> <br /> <br />D.4.1 Existing I~rigated Lands <br /> <br /> <br />Lands currently irrigated a~e assumed to be PIA requiring no further <br /> <br /> <br />evaluation. No cur~ently irrigated acreage was found in the Najavo <br /> <br /> <br />watershed. <br /> <br />D.4.2 Water Supply <br /> <br /> <br />An examination of the hydrology data for the Navajo River shows that <br /> <br /> <br />there is sufficient virgin flow du~ing the summe~ irrigation periods <br /> <br /> <br />to serve the potential arable lands directly f~om the river. <br /> <br />8 <br />