SE of Semichi Islands., Aleutian Islands.
Named by the Russians and published in 1848 as Kamni Ingenstream meaning Ingenstrem Rocks on Russian Hydrographic Dept. Chart 1400; named for a pilot in the employ of the Russian American Company about 1829-30. He is suppose to have visited the Andreanof Island group and spent two winters at Atka while correcting the existing hydrographic charts of this region.