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<br />. <br /> <br />-9- <br /> <br />8, 9, 10, 11, 12:. Included in this paragraJil are comments relative <br />to your Items 8, 9, 10, 11, and 12. Your analysis includes an estimate of <br />potential irrigation uses in the Gunnison River Basin (Item 8), in the basin <br />of the Colorado River above its confluence of the Gunnison River (Item 9), <br />in the basin of the San Juan and Dolores Rivers (Item 10), in the basins of <br />the Yarnpa and White Rivers (Item 11), and in the Little Snake River Basin <br />(Item 12). In line with the comments, hereinabove contained, to the effect <br />that the investigations now undervray are designed to determine irrigation <br />potentialities in Western Colorado, it would seem inappropriate to indUlge <br />in speculation as to what thefina1 data in this respect will disclose. <br />There are involved many questions such as project economic feasibility, and to <br />irrigation from power revenues under such a plan as the Colorado River Storage <br />Project, maximum feasible pump lifts, the location of irrigable land in rela- <br />tion to water supplies and soil 'classifications. The former estimates made <br />by Royce J. Tipton, made for the purpose of assisting the Upper Colorado <br />R~ver Basin Compact Commission in appraising irrigation potentials in the <br />-Upper Basin, were not intended as final conclusions in the matter; and it <br />should a gain be stated that the Colorado Water Conservation Board has never <br />considered, nor released, any study as to the total Western Slope potential <br />irrigation uses. A comparison of your figures and the estimates made by JAr. <br />Tipton indicate that the difference between the two may not prove to be too <br />great, but in any event, under the policy now followed by the Colorado Water <br />Conservation Board, a sincere effort is being made to ascertain the extent <br />and nature of these irrigation potentialities, in Western Colorado. <br /> <br />13. In this item you cover ''Western Colorado Potential llunicipal <br />Consumption" and you make a charge of 23,000 acre-feet for such use. You <br />comment: <br /> <br />-';;'.i~~~....::.~~;-.;--,,"~c.c:~-_",-- .,-=i.i_,<' <br /> <br /> <br />"This figure does not include municipal use in <br />connection with synthetic fuel development. No sufficient <br />study has been made, and it is believed too smallll. <br /> <br />Of course, in any progra~ for utilization of Colorado River water, <br />adequate Jprovision must be made to meet the requirements :iri that section of <br />the State for domestic wate.r supplies.' To appraise the value of this figure <br />consideration must be given to the increase in population which it will serve. <br />You give no population figures. If municipal use is computed on the basi~ of <br />20 per cent consumptive use and a dB.11y reql irement of 200 gallons per in- <br />habitant, it shovrs that a consumptive use of 23,000 acre-feet annually will <br />supply a population increase of ,,,ell over 500,000 people. <br /> <br />14. This item charges 3,000 acre-feet for paper and pulp mill in <br />Western Colorado. The pulp mill in Western Colorado is very desirable in <br />the interests of the economic development of the State. It will bring forest <br />products and water together to increase production from two important re- <br />sources of the area. You quote no authority for your estimate, but the <br />amount of water involved is comparatively small in any event. <br />