Location.--Latitude 47°40'45", Longitude
117°21'49", in NW 1/4 SW 1/4 Section 10, Township 25 North,
Range 43 East, in Spokane County, Hydrologic Unit 17010305,
downstream from Green Street Crossing, at Spokane, and at river mile
78. Drainage
area is 4,220 mi2.