Arizona silver belt., 1888-10-27
PUmP IRRIGATION.

This is subject of great interest
 hare at present and is being much dis
 eussed. Undoubtedly this method of
 irrigation will be widely used in Ari-
 zsna before many years. It is espe-
 ciallv desirable in the vicinity eff
 towns, fer market gardening and
 fruit culture, where the value of the
 crops raised will justify expensive
 methods of cultivation, although the
 improvement in steam pumps de-
 signed for this purpose, which the
 growth of irrigation has stimulated,
 has resulted in obtaining increased ca
 pacity with diminlshed consumption
 of fuel. The successful employment
 of steam pumps is only dependent up
 en the supply of water and cost offuel.
 A pump of capacity of 30 gallons a
 minute will be sufficient te cover two
 acres of land an inch deep every day, or + acres once a week. A pump of this capacity, with ? horsepower en- zine and boiler costs in San Francisco or the East but little more than S2O0. Pumps of three or four times this ca pacity would be more desirable in this vicinity. and the general oplnlon is that the water supply to be obtained frsm wells along Plnal creek is ample to irrigate ali the land Tn this valley likely ever to be cultivated.
 The only attempt yet made here to test the practicability of tho use of steam to raise water for irrigation was by Adolph Haag, who has plat of about 2 acres of fine land, at the southern end of town, set ia grape vines and fruit trees. Last spring he obtained here a boiler of 10 to 12 horsepower with the necessary pipe, and sent to Van Dusen. & lift, Gin cinnati, fer steam jet pump of coco gallons per hour capacity. The at- tachment cost, laid down here, $50, and the whole plant set up represents an outlay of about $26O, the boiler and pipes being secondhand. The design of the pump is most ingenious, and works on the principle of syphon. Steam is forced down Il inch pipe, through the pump attachment (tha mechanism of which we can not de- scribe, but winch is said to be made on the principle of a globe valve) and in- to 2 inch discharge pipe, the effect of which is to cause a vacuum, and the water rises and continues to flow in a steady stream, without the least rsmittent action. One eff the greatest advantages of this is that the steam, cOndensing in the water as it rises, warns it slightly, so that It does net require to be run into tanks or reservoirs in order to bring It up to the temperature of the air, before applying it to the land that is to be The saving thus effected is an important item.
 MT. Haag informs us-tAAaat -tAAaat the epsr- atlon of the pump is all that claimed for it, but owing to tho drouth of last summer, he was unable to obtain a sufficient supply et water from his well, and his vlnes and trees suffered somewhat. The effect of liberal irri gation is shown by the rank growth of vines only few feet from woed en tank which leaks slightly and kept the ground moist all summer. These vines are vigorous and at least three times the size of others which were deprived of sufficient water. Nr. Haag is now engaged in sinking deep CT two wells, about 30 or 40 feet apart, which he will connect by a tun- nel and hopes by this means to se cure an abundance of the vitalizing linnid