OCR Text |
Show __2__ means of floats. When the Colorado above the Gila is known to be constant the crest of the flood is measured after it joins the Colorado at Yuma, and an allowance of 5 per cent is made for flattening of the crest between Dome and Yuma. The gage observer is B. Rinehart. Fourteen gages have been put in by the hydrographer since the establishment of the station, not including temporary rods placed by the observer. The permanent bench mark is a standard United States Geological Survey iron post at the southwest corner of depot under platform, marked "189 Y": elevation, 189.60 feet above sea level and 31.97 feet above the zero of the gage. Information in regard to this station is contained in the following Water-Supply Papers of the United States Geological Survey: Description: 133, p. 204. Discharge: 133, p. 205. Discharge, monthly: 133, p. 206. Gage heights: 100, p. 27; 133, p. 205. Discharge measurements of Gila River at Dome (Gila City), Ariz., in 1905. Gage Dis- Gage Dis- Date. Hydrographer. height, charge. Date. Hydrographer. height, charge. Feet Sec. Ft. Feet Sec. ft. January 14.-W. D. Smith.... 8.25 3,323 April 14......W. D. Smith...... 12.60 t>88,000 January 15 ..........do................ 9.20 4,287 May 30 ................do................ 7.00 ^2,269 January 15 ..........do................ 9.90 4,941 June 13 ................do................ 5.90 749 January 16 ..........do................ 12.80 17,300 September 19 ......do................ 3.70 33 January 17 ..........do................ 14.60 a23,000 October 5 ............do................ 6.00 755 January 24 ..........do................ 6.10 2,305 October 9 ............do................ 4.70 374 February 8 ..........do................ 16.95 a80,000 November 28 ......do................ 7.10 2,467 March 20 ..............do................ 13.10 a95,000 November 29 ......do................ 14.70 f^ooo April 4 ..................do................ 9.00 t>6,552 aEstimated from gaging at Yuma, Ariz. bFloat measurement. cMeasurement made 4 miles above Yuma, Ariz. dEstimated from the discharge of the Colorado River at Yuma and from gage observations at Dome, Picacho, and L,aguna. |
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Original book: [State of Arizona, complainant v. State of California, Palo Verde Irrigation District, Coachella Valley County Water District, Metropolitan Water District of Southern California, City of Los Angeles, California, City of San Diego, California, and County of San Diego, California, defendants, United States of America, State of Nevada, State of New Mexico, State of Utah, interveners] : California exhibits. |