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LOCATION.--Lat 46° 05'12", long 115° 30'50"(revised), in NW1/4 SE1/4 NE1/4 sec.25,
T.32 N., R.7 E., Idaho County, Nez Perce National Forest, Hydrologic Unit 17060302,
on right bank 0.2 mi upstream from O'Hara Creek, 7 mi upstream from Lowell, 7.6 mi
upstream from confluence with Lochsa River, and 105.2 mi upstream from mouth of
Clearwater River.
DRAINAGE AREA.--1,910 mi2, approximately. Mean elevation, 5,640 ft.
PERIOD OF RECORD.--April 1911 to September 1912 (gage heights or fragmentary
discharge records only), October 1929 to current year. Monthly discharge only
for October 1929, published in WSP 1317.
REVISED RECORDS.--WSP 1043: Drainage area.
GAGE.--Elevation of gage is 1,540 ft above NGVD of 1929, from river-profile map.
Apr. 11 to Sept. 2, 1911, recording gage at site 2 mi downstream at different
datum. Feb. 7 to Sept. 22, 1912, and Oct. 14 to Nov. 19, 1930, nonrecording
gages at nearby sites at different datums.
REMARKS.--Small diversions from headwaters.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 48,900 ft3/s May 29, 1948,
gage height, 16.04 ft; minimum, probably less than 100 ft3/s Jan. 8, 1937,
during period of ice effect.
Station operated in cooperation with U.S. Army Corps of Engineers.
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