Geological Survey water-supply paper Volume 1539

9781231131145: Geological Survey water-supply paper Volume 1539
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. Excerpt: test drilling. Although irrigation wells of sizeable yield have been developed that do not penetrate the full thickness of the valley fill, the greatest yields and largest specific capacities may be expected where the full section is penetrated. If extensive test drilling is planned, the buried channels may be found with a minimum of test drilling by locating the test holes along lines across the flood plain at approximate right angles to the trend of the valley. Widely spaced test holes along these lines might then be supplemented by additional test holes drilled between those of the initial survey that penetrate the thickest and most permeable water-bearing materials. CHEMICAL QUALITY OF THE WATER By John G. Connor Samples were collected from 16 ground-water and 9 surface-water sources during the period April 13-19, 1956, to obtain information on water quality in the Bear River valley, Wyoming. (See fig. 8.) Two additional ground-water samples were collected, one in July 1956, and one in March 1958, and eight additional stream samples were collected in June and September 1956 at four points on the Bear River Fici'BB 8.--Map showing ground-and surface-water sampling points in the Bear River valloy, Wyoming. that had been sampled fn April. The additional stream samples were collected to ascertain whether there were marked differences in chemical quality between high and low flows. The results of chemical analyses of ground-water samples are shown in table 3, and of surface-water samples in table 4.?sss§ too sot 2=28385 in 00----52 Z S'SJ QUALITY OP GROUND WATER The samples collected represent water used mostly for domestic purposes and stock watering. Although no irrigation wells were sampled, water of similar quality is being used for irrigation. The mi...

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