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Station operated in cooperation with the U.S. Army Corps of Engineers.
14145500 MIDDLE FORK WILLAMETTE RIVER ABOVE SALT CREEK, NEAR OAKRIDGE, OR
LOCATION.--Lat 43° 43'20", long 122° 26'15", in NW 1/4 NE 1/4 sec.27, T.21 S., R.3 E.,
Lane County, Hydrologic Unit 17090001, in Willamette National Forest, on right bank
90 ft upstream from highway bridge, 0.4 mi upstream from Salt Creek, 1.1 mi downstream
from Hills Creek Dam, 2.3 mi southeast of Oakridge, and at mile 231.4.
DRAINAGE AREA.--392 mi>2.
PERIOD OF RECORDGAGE.--Water-stage recorder. Datum of gage is 1,208.01 ft above
NGVD of 1929 (levels by Corps of Engineers). Oct. 3, 1913, to Sept. 30, 1914,
nonrecording gage and Sept. 1, 1935 to Aug. 18, 1960, water-stage recorder at sites
400 ft and 1,000 ft downstream, respectively, at different datum.
REMARKS.--Flow regulated since 1961 by Hills Creek Lake (station 14145100). No
diversions upstream from station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 34,000 ft3/s Dec. 28, 1945,
gage height, 12.06 ft, site and datum then in use, from rating curve extended
above 13,000 ft3/s; minimum observed discharge, 0.70 ft3/s Sept. 8-11, 13, 1961.
NOTE: The most current shifted rating for this site can be found at USGS Rating Depot website.
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