Description
Emerald Island is located extends NW-SE in Yukon River, 0.5 mi. SW of Mickey I. and 30 mi. NE of Ruby, Nowitna Low. 0.9 mile long.
History
Riverboat pilots' name shown on 1940 "Navigation Chart, Tanana-Yukon Rivers" of the River Boat Service, U.S. Dept. of Interior.