Page 12


Page 12
Semi-tropical Nevada
Is Part Of,8
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- 12 — whether the Las Vegas Valley is a true artesian basin or whether it marks the course of an underground stream, flowing under sufficient head to force water to the surface. Whichever may prove to be the correct view, there is no question that the supply is ample for the irrigation not only of the land within the artesian belt, but of a large area in the lower part of the Valley where flows have not thus far been developed. The laws of Nevada now require artesian wells to be capped when not in use, and with this precaution, the water supply will more than meet all demands made upon it. PLENTY OF WATER: MORE WHERE IT CAME FROM. The source of the Las Vegas water is a mooted question. Large watersheds in the Charleston and Sheep Mountains, West and Northwest of the Valley, no doubt contribute their quota, but natural springs in these mountains are cold, whereas the artesian water in the vicinity of Las Vegas has an average temperature of about 72 degrees— just right for irrigation. In central and Northern Nevada is a group of remarkable "sinks," in which good-sized streams disappear bodily underground. The only outlet for this water is the Colorado river, to reach which it must pass beneath the Las Vegas Valley. It is therefore the opinion of competent geologists that the Las Vegas Valley is directly in the path of the underground drainage of one-third to one-half of all Nevada, and that the artesian water found here has come hundreds of miles. This theory, if correct, points toward great possibilities

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