extend SE in Bristol Bay, include High I., Crooked I., Black Rock I., and Round I., 15 mi. E of Hagemeister I., Kilbuck-Kuskokwim Mts.
The Russian name "Morzh," meaning "walrus," was applied to an island by Lieutenant Sarichev (1826, map 3), Imperial Russian Navy (IRN), which Captain Tebenkov (1852, map 4), Imperial Russian Navy (IRN), identified with the Ound Island of Captain Cook (1785, v. 28 p. 431), RN. Tebenkov applied the name "Ostrova Morzhovyya," or "Walrus Islands" to the whole group of islands east of Hagemeister Island. Designated a National Natural Landmark in 1968.
Black Rock, Crooked Island, High Island, Summit Island, The Twins,