Location.--Latitude 48°55'51", Longitude
119°25'09", in SE 1/4 SW 1/4 Section 27, Township 40 North,
Range 27 East, in Okanogan County, Hydrologic Unit 17020006, on
left bank in Oroville, 20 feet downstream from Burlington Northern
Trestle, 0.5 mile downstream from Tonasket Creek, 1.7 miles downstream
from Osoyoos Lake, 3.2 miles upstream from Similkameen River, and at
river
mile 77.3. Drainage
area is 3,195 mi2. Datum of
gage is 900.00 feet above NGVD of 1929.