Location.--Latitude 48°59'56", Longitude
117°21'09", in SW 1/4 NE 1/4 Section 3, Township 40 North,
Range 43 East, in Pend Oreille County, Hydrologic Unit 17010216, on
left bank 0.1 mile upstream from International Boundary, 0.9 mile
downstream from Boundary Dam, 0.6 mile downstream from Slate Creek, 9.7
miles north of Metalline Falls, and at river mile
16.1. Drainage
area is 25,200 mi2 approximately. Datum of
gage is 1,700 feet above NGVD of 1929, City of Seattle, Boundary Dam
datum.