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LOCATION.--Lat 44° 17'30", long 115° 38'33", in SE1/4 NE1/4 sec.17, T.11 N., R.7 E.,
Valley County, Hydrologic Unit 17050120, Boise National Forest, on right bank,
300 ft upstream from Wilson Creek, 0.2 mi downstream from Deadwood Dam, 15 mi
north of Lowman, and at mile 23.4.
DRAINAGE AREA.--112 mi2. Mean elevation, 6,630 ft.
PERIOD OF RECORD.--October 1926 to current year. Monthly discharge only prior
to May 1927, published in WSP 1317. Published as "at Beaver Creek Ranger Station,
near Lowman" prior to October 1934.
REVISED RECORDS.--WSP 1123: 1943. WSP 1517: 1956. WSP 1567: Drainage area.
WDR-ID-2000-2: 1997.
GAGE.--Datum of gage is 5,180.52 ft above NGVD of 1929 (levels by U.S. Bureau
of Reclamation). U.S. Geological Survey datum is 29.19 ft higher. Prior to
June 22, 1935, at site 600 ft upstream at datum 5.85 ft higher and Oct. 1,
1935 to Aug. 3, 1955, at present site at datum 1.00 ft higher. June 22 to
Sept. 30, 1935, nonrecording gage at site 20 ft upstream at datum 2.00 ft
higher.
REMARKS.--Flow regulated by Deadwood Reservoir beginning November 1930.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge (1927-30), 2,150 ft3/s
May 26, 1928, gage height, 5.67 ft, site and datum then in use;
minimum daily, 35 ft3/s Nov. 21, 1929. Maximum discharge since regulation
began in 1931, 2,580 ft3/s July 14, 1953, maximum gage height, 9.09 ft,
June 1, 1983; no flow or small amount of leakage from reservoir for long
periods in 1934-37, 1993, 1994, when gates in dam were closed.
Station operated in cooperation with U.S. Bureau of Reclamation.
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