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and water cooling and refrigerating systems where water in all three instances cited would be turned on and allowed to run 24 hours per day, Mr, Bracken is now handling with Nevada Utilities Commission for increased rates on refrigerating systems which will undoubtedly take care of considerable of that waste and will of course save water, but X desire to call your attention to a possible increase in the available water supply. The middle spring, quoted elsewhere in this letter, is open, the water is not confined nor is there any arrange­ment made for turning it into the Las Vegas city water supply which could be done by building 10* x 24* spring housing over open springs with concrete walls, frame roof and ventilator, construct 8-run barbed wire fence enclosure, 80*x64*, install 1040 lin. ft, of 10# standard steel welded, asphalt treated, 16 gauge casing and construct concrete sand trap, at a cost of $1925,00, all R&E. With such a facility this water now flowing in open ditch could be diverted to the settling basin. At the present time water fromthls spring flows into an open, ditch and on dom to Union Pacific ranch, and if this improvement were installed it would only be used during the period of heavy water consumption in has Vegas both for rail­road and city use. At other times the water would continue to flow to the ranch. It is my opinion that on the completion of Boulder Dam the population of Las Vegas will materially decrease and the water requirements also decrease. It may also be possible