Description
Washburn Slough is located flows to Yukon River at devils Elbow, 1 mi. NW of Roundabout Mtn. and 23 mi. SW of Russian Mission, Yukon-Kuskokwim Delta
History
Riverboat pilots' name shown on a 1922 manuscript chart of the Yukon River; probably named for the riverboat Washburn that was sunk here in 1918.