Arizona republican., 1909-06-04
SOUTH CANAL WILL
 BE OPENED TODAY HEREAFTER ALL WATER FOR BOTH SIDES OF THE RIVER WILL BE DIVERTED AT
 GRANITE REEF.
Installation of Paraphernalia For Study of Subject of Evaporation
 in This Valley

Sam's vaqueros in the reclamation
 service, roped Salt river and tied it's
 head, preliminary to bringing it ulti-
 mately under complete subjection.
 Several years were devoted to getting
 the bridle in order and throwing the harness over the rivers back. Less
 than year ago every strap was ad- | justed on the north side and the
 event was signalized by a big picnic
 and some oratory at Granite Reef
 dam. Now the harness is we'll in place on the south side of the river
 and today the last strap will be
 buckled up. Henceforth the river will
 be securely in the thrall of man and 1 by six months more when the mason ry at Roosevelt is all laid it will be
 under entire subjection. Howard Reed, Frank P. Trott and l.. N. Jesunofsky will leave this morning
 for the Granite Reef dam. Messrs. Reed and Trott, as the two water
 gods of the valley who say when the
 lands shall have water and when they shall go dry, will lift the south side gates and turn the water into
 what is known as the South canal ditch that will perform for the south
 side, functions similar to that of the Arizona canal on the north side. It
 is the sole supply ditch for all the
 southside systems, or will be under ! the government distribution. The | south canal follows down the river
 bank until it intersects the Consoli- dated canal a few hundred feet be- low it's headgate and brush dam. Its ! xx-in ha sOlidated through a Hume and fall, temporarily constructed, for at this point a power plant will be con-
 structed later. The water will of
 course be turned into the canal grad
 ually and it may take twenty-four hours to get the full run started, but
 after today it is not expected the old
 brush dams of the south side canals
 will ever be used again except per
 haps to pick up flood water when
 there is great abundance in the riv-
 CT. That in fact has been the sole
 utility of the Tempe canal dam for
 many months, as the Tempe has been
 fed it's main water supply out of the
 Consolidated below the Chandler pow
 CT house for a long time past, and
 the Utah has also had it's supply
 from the Consolidated at a point
 about one-third of the way between
 Lehi and Granite Reef, ever since the
 washing out of its head a long time ago. The Consolidated feeds the
 Tempe feeds the San Francisco below the Hayden mill in Tempe.
 The only new feature therefore in
 the distribution is the abandoning of
 the use of the Consolidated head and
 the installation of the South canal
 which is really a new head for the
 Consolidated, at Granite Reef dam.
 The presence of L. N. Jesunofsky
 with the party today is another story, for roday's expedition has a dual pur- pose. Mir. Jesunofsky representing the
 weather bureau service and Mir. Reed representing the reclamation service will install at Granite Reef, instru-
 ments for the accumulation of data in the furtherance of the study of the question of evaporation in this valley. This study is to be prosecut-
 ed by a supervising board of three men of the weather bureau, U. s. G.
 s. and reclamation service, these three to be aided by the subordinates in their respective bureaus. The gen. tleman directing matters and who has already accomplished much in his ob- Servation at Salton sea is Prof. Frank H. Bigelow. Associated with him is an engineer of the U. s. G. s. and l.. c. Hill of the reclamation service, the board having been appointed by the president for this work, and the special field to be the semi-humid and arid regions of the country While it is comparatively new branch of the governments scientific research it is believed it will become a very important one, especially in connection with the large and ever | enlarging irrigated areas of the west |
 One purpose of the study is to de- | termine just what the amount of | evaporation is under certain condi- | tions in certain localities so that the | probable results of the use of defi- | nitely known amount of water may | be more accurately determined. There | will be three observation points in | this vallGy. On. will be al I:oose- welt, one at Granite Reef and the | other in the city of Phoenix, the lat | ter to be under the supervision of | MT. Jesunofsky and all to cooperate. | MT. Jesunofsky said last night that | 'iic AheS OA S'oPOio iolioh III thiS 'diey Il is known in a general way to be an- nually eighty-five inches less the an- nual precipitation, but the particular | thing the students desire to know, as explained by Mir. Jesunofsky last | night, is the Constant Coefficient | which has never been discovered, and | which he stated in explanation, means | the rate of evaporation for every inch | between a point one inch above the | water and five feet above the water | The paraphernalia in the stations | will be, roughly speaking, one pan | at the water level, one pan five feet | above the water, and another pan on | the land beside the water. If any body is interested in greater details | concerning these observations he will | l,a,.c ss..