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<br />106
<br />
<br />FLOODS OF SEPT. '970 IN ARIZ., UTAH, COLO., AND N. MEX.
<br />
<br />STATION DATA-GILA RIVER BASIN
<br />
<br />107
<br />
<br />Reservoir System on Salt River at and below Roosevelt Dam, Ariz.-Continued
<br />
<br />Oak Creek near Cornville, Ariz.-Continued
<br />GaR"e~height record. --Digital recorder tape e~cept parts of Sept. 5-7. MisSing gage-
<br />hel~ht record re~onstructed from normal rlse or recession and adjoining good record.
<br />Alhtude of gage 1S 3,470 ft (1,058 m), from topographic map.
<br />
<br />Cooperation. --Records furnished by Salt River Valley Water Users' Association.
<br />
<br /> Contents, in thousands of acre-feet, at 2400 hours of indicated day. 1970
<br />Day Contents Day Contents Day Contents
<br />Sept. 1 897 Sept. 6 951 Sept. 11 963
<br /> 2 693 7 957 12 963
<br /> 3 890 8 961 13 963
<br /> 4 888 9 963 14 962
<br /> 5 916 10 964 15 961
<br />
<br />Discharge record. .-Stage-discharge relation defined by Cllrrent-meter measurements
<br />below 16,000 ft3fs (450 m3/s) and extended above by logarithmic plotting.
<br />
<br />Maxima. --Sept. 4-20, 1970: Discharge, 24,700 ft3/s (700 m3/B' 1800 hours Sept 5
<br />~ height, 16.48 ft or 5.023 m). .
<br />.1885 to August 1970: Discharge, 19,200 ft3/s (544 m3/s) Dec. 6, 1966 (gage
<br />helght, 14.68 ft or 4,474 m); maximum gage height, 15.18 ft (4.627 m) Nov. 25
<br />1965. . '
<br />Maximum nood known since at least 1885 occurred in March 1938 (stage at
<br />upstream side of bridge, 23 ft or 7.0 m, from noodmarks).
<br />
<br />(94) 09501300. Tortilla Creek at Tortilla Flat. Ariz.
<br />
<br />(Crest-stage station)
<br />
<br />Location. --Lat 33031'3811, long 111023'1311, in NW-t sec. 13. T.2 N., R.9 E. (unsurveyed),
<br />Maricopa County, 600 ft (180 m) upstream from State Highway 8a and Tortilla Flat
<br />store, and 3.7 mi (6.0 km) southeast of Mormon Flat Dam.
<br />
<br />Drainage area. --24. 3 mi2 (62.9 km2).
<br />
<br />Day
<br />Sept. 4
<br />5
<br />6
<br />
<br />Mean discharge, in cubic feet per second, 1970
<br />
<br />Discharge Day Discharge Day
<br />
<br />27 Sept. 7 320 Sept. 9
<br />7,340 a 145 10
<br />2,490
<br />
<br />Oischarge
<br />94
<br />67
<br />
<br />Gage-height record. --Crest stages only. Altitude of gage is 1,755 ft (535 m), from
<br />topographic map.
<br />
<br />Gage height, in feet, and discharge, in cubic feet per second, at indicated time, 1970,
<br />of Oak Creek near Cornville, Ariz.
<br />
<br />Location. --Lat 34055'20", long 111038'40", in swt sec. 22, T. 18 N.,
<br />County, at State Highway 70, 7 mi (21 km) northeast of Sedona.
<br />
<br />Drainage area. --1. 10 mi2 (2.85 km2).
<br />
<br />R. 7 E., Coconino
<br />
<br />Hour Gage Discharge Hour Gage Discharge Hour Gage Discharge
<br /> height height height
<br />Sept. 4 Sept. 5*-Con. Sept. 6*-Con.
<br />2400 2.17 43 1700 15.78 22,500 0600 7.44 3,560
<br />Sept. 5* 1800 13.30 15,200 0900 6.52 2,520
<br />0100 2.15 41 1900 12.20 12,500 1200 5.92 1.920
<br />0400 2.25 52 2000 11. 30 10,300 1500 5.45 1,510
<br />0700 2.68 121 2100 10.85 9,300 1800 4.82 1,030
<br />0900 3.73 447 2200 9.90 7,420 2100 4. 39 774
<br />1000 6.56 2,570 2300 9.56 6,810 2400 4. 05 595
<br />1100 8.03 4,350 2400 9.36 6,480 Sept. 7
<br />1200 9.62 6,920 Sept. 6* 0600 3,42 327
<br />1300 10.99 9,580 0100 9.08 6,030 1200 3.08 219
<br />1400 14.13 17,600 0200 8.70 5,420 1800 2.85 157
<br />1500 15.12 20,600 0300 8.40 4,940 2400 2.80 145
<br />1600 16.48 24,700 0400 8.15 4,540
<br />
<br />* Daily means computed from data In addition to figures shown.
<br />
<br />Discharge record. --Stage-discharge relation defined by computations of peak now over
<br />the weir.
<br />
<br />Maxima. --Sept. 4-10, 1972: Discharge, 5,700 ft3/s (161 m3/s) Sept. 5 (gage height,
<br />----ri":"'4 ft or 3.47 m, from noodmarks).
<br />1942 to August 1970: Discharge, 6,660 ft3/s (189 m3/s) Sept. 13, 1966 (gage
<br />height, 12.3 ft or 3. 75 m).
<br />
<br />(95) 09504400. Munds Canyon tributary near Sedona, Ariz.
<br />(Crest-slage station)
<br />
<br />Gage-height record. --Crest stages only. Datum of gage is 6,485.72 ft (1,976.847 m),
<br />levels by Arizona Highway Department.
<br />
<br />(97) 09504800. Oak Creek tributary near Cornville. Ariz.
<br />
<br />Discharge record. --Stage-discharge relation defined by theoretical rating developed on
<br />the digital computer.
<br />Maxima. --Sept. 4-10, 1970: Discharge, 705 ft3/s (20.0 m3/s) Sept. 5 (gage height,
<br />~O ft or 3.383 m, from high-water profile).
<br />1963 to August 1970: Discharge, 222 ft3/s (6.29 m3/s) Sept, 3 and Nov. 25, 1965
<br />(gage height, 6.91 ft or 2. 106 m).
<br />
<br />(Crest-stage station)
<br />
<br />Location. --Lat 34042'45", long 111052'50", in NWt sec. 12, T. 15 N., R. 4 E., Yavapai
<br />County, at county road, 2.5 mi (4. 0 km) east of Cornvil1e.
<br />
<br />Drainage area. - -0.048 mi2 (0. 124 km2).
<br />
<br />(96) 09504500. Oak Creek near CornviIle, Ariz.
<br />
<br />Gage-height record. --Crest stages only. Altitude of gage is 3,500 ft 0,070 m), from
<br />topographic map.
<br />
<br />Location. --Lat 34045'56lt, long 111053'24", in NwlsEt sec. 23, T. 16 N., R.4 E.,
<br />Yavapai County, near left bank on downstream side of pier of county highway bridge,
<br />0.2 mi (0. 3 km) upstream from Page Springs, 4 mi (6 km) northeast of Cornville,
<br />and 15 mi (24 km) upstream from mouth.
<br />
<br />Drainage area. --357 mi2 (925 km2).
<br />
<br />Discharge record. --Stage-discharge relation defined by theoretical rating developed on
<br />the digital computer.
<br />
<br />Maxima. --Sept. 4-10, 1970: Discharge, 47 ft3/s (1.33 m3/s) Sept. 5 (gage height,
<br />6.02 ft or 1. 835 m).
<br />1963 to August 1970; Discharge, 53 ft3/s (1. 50 m3/a) Aug. 8, 1969 (gage height,
<br />6.51 ft or 1. 984 m).
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