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BOARD01250
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Last modified
8/16/2009 2:59:22 PM
Creation date
10/4/2006 6:51:59 AM
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Board Meetings
Board Meeting Date
12/9/1964
Description
Minutes
Board Meetings - Doc Type
Meeting
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<br />~.L~V <br /> <br />construction in the Phoenix laboratories, with <br />the eventual idea of coming up with a working <br />model of the hydrologic conditions in the <br />Arkansas Valley. Following the completion of <br />that study, similar studies will be done in <br />the South Platte, the San Luis Valley, and the <br />fourth major aquifer, the High Plains area to <br />the east. <br /> <br />The maps in the center here (pointing), <br />with the various colors, were prepared by the <br />Geological Survey on the same scale as our <br />surface maps and portray subsurface conditions. <br />I can assure you that before we are through <br />this will be the most investigated area in the <br />United States insofar as the hydrologic condi- <br />tions are concerned. The subsurface is being <br />completely mapped and we hope to leave nothing <br />in doubt as to the hydrology and the hydrologic <br />conditions that exist in that valley. <br /> <br />At this time I would like to call upon <br />Mr. Moore of the Geological Survey to give <br />us some information that they have developed.v <br /> <br />MR. MOORE: <br /> <br />"Mr. Chairman, members of the Board and <br />guests, this presentation is a progress <br />summary of the Arkansas Valley analog model. <br /> <br />The irrigation system in the Arkansas <br />Valley was originally developed around surface <br />water supplies and storage. However, the amount <br />of surface water available varies appreciably <br />with climatic changes. Consequently, the ground <br />water supply has been developed to provide <br />supplemental water to crops during periods of <br />deficient surface water supplies. <br /> <br />In the Arkansas Valley the ground water <br />in the sand and gravel deposits is intimately <br />associated with the Arkansas River. The rela- <br />tion of the water in the sand and gravel <br />deposits to the river is shown on this ideal- <br />ized hydrogeologic cross section to my right <br />(pointing to the maps on the wall which Mr. <br />Moore used throughout his presentation). The <br />river is hydraulically connected with the <br /> <br />I <br /> <br />I <br />
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