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<br />.:l:> Ib <br /> <br />Nebraska'. This report has been published as a <br />Water-Supply Paper and is available from the <br />Superintendent of Documents or it can be obtained <br />downtown here in the Public Inquiries Office. The <br />report describes present and potential ground <br />water supplies and estimates the streamflow deple- <br />tion that might be caused by increased withdrawal. <br />During lS53, S8 irrigation wells were pumped to <br />irrigate 10,000 acres with about 1.5 acre-feet <br />of water being applied to each acre. It is esti- <br />mated that about 34,000 acre-feet of ground water <br />is disCharged annually from the area by evapo- <br />transpiration. <br /> <br />I <br /> <br />A total of approximately 81,000,000 acre- <br />feet is held in ground water storage in the area <br />and abopt 90,000 acre-feet of ground water is <br />estimated to be moving eastward across the Colo- <br />rado-Nebraska state line each year. <br /> <br />The report includes records of 776 wells, <br />chemical analyses of several samples, logs of <br />more than 1,000 test holes and wells. and maps <br />showing the geology, the depth of ground water. <br />contours on the water table, and other items. <br /> <br />The second report, 'Ground Water in Colorado-- <br />Its Importance During an Emergency' has been <br />reproduced at the Government Printing Office as <br />Colorado Ground-Water Circular 9. This was an <br />investigation to determine the possibilities of <br />municipal water supplies during an emergency. In <br />Colorado about 80 percent of the public water sup- <br />plies to communities with populations greater <br />than 100 comes from surface water and many commun- <br />ities obtain their water from shallow wells that <br />might be subject to contamination in case of <br />radio active fallouts or other contamination. <br />The investigation indicates that adequate water <br />would be available from deeper ground water <br />sources to supply water to keep the area in busi- <br />ness but there would be some question as to power <br />availability and equipment for drilling these <br />wells in order to make the water available. We <br />hope none of us ever have to resort to this ex- <br />treme process of getting our water. <br /> <br />I <br />