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LOCATION.--Lat 42° 21'23", long 114° 18'12" (NAD27), in NW1/4 NW1/4 sec.25, T.12 S., R.18 E., Twin Falls County, Hydrologic Unit 17040212, Grand View Peak quad., 0.1 mi downstream from road bridge, 0.8 mi downstream from Fifth Fork Rock Creek, 5 mi south of Rock Creek settlement, and 12 mi south of Hansen.

DRAINAGE AREA.--81.5 mi2, revised. Mean elevation, 6,330 ft.

PERIOD OF RECORD.--November 1909 to August 1913, November 1938 to July 1939, November 1943 to September 1974 (discontinued).

GAGE.--Water-stage recorder. Datum of gage is 4,347.0 ft, levels by Topographic Division. Nov. 20, 1943 to Sept. 30, 1963, at datum 1.00 ft higher. Nonrecording gage Nov. 28, 1909 to Aug. 16, 1913, at site 2 mi downstream at different datum, and Nov. 23, 1938 to July 21, 1939, at present site at datum 2.25 ft higher.

REMARKS.--Small ranch diversion above station.

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 461 ft3/s May 19, 1970, gage height, 3.81 ft, but may have been more May 21, 1912; minimum, 2.7 ft3/s July 23, 1961, gage height, 0.76 ft, present datum; minimum gage height, 0.11 ft, Aug. 18, 1973.


Available Parameters Period of Record
1909-11-28  1974-09-29


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Summary of all available data for this site
Instantaneous-data availability statement
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.