Description
Andys Slough is located anabranch, heads at Yukon River, flows SW to Pilot Mountain Slough, 25 mi. NE of Nulato, Koyukuk Low.; 2.2 miles long.
History
Riverboat pilots' name shown on a 1940 "Navigation Chart of the Tanana-Yukon Rivers" published by U.S. Dept of the Interior.