56 ° 47' 34.001" N,
133 ° 29' 48.998" W
Petersburg (CA)
768 ft (234.09 m)
Incomplete record. Separated from the mainland by Frederick Sound, Alex. Arch.
HistoryPublished in 1848 on Russian Hydrographic Dept. Chart 1396 as "Os(trov) Kupreyanova." Named for Captain Ivan Andrecvich Kupreanov, Governor of the Russian American Colonies from 1836 to 1840.
Big John Bay, Devils Elbow, Dry Cove, North Arm Duncan Canal, Portage Bay, Towers Arm,
Capes:East Point, Flat Point, Goose Point, Hook Point, McNaughton Point, West Point,
Islands:Eagle Island, Kupreanof Island, Stop Island,
Lakes:Irish Lakes, Salt Chuck, Towers Lake,
Mountains:Mountain Ranges:Streams:Big John Creek, Irish Creek, Keku Creek, Taylor Creek, Tunehean Creek,
Routes: