Description
E of Unga I. in Sumagin Is., Aleutian Range
History
Popof is a Russian proper name, often written Popoff. Named Popovskoi by Captain Tebenkov (1852, map 24) Imperial Russian Navy (IRN), and by Russian Hydrographic Dept. Chart 1379, (1847); shown as Popof Island on an 1890 U.S. Bureau of Fisheries (USBF) chart.