CAPE KRUSENSTERN NATIONAL MONUMENT

national monument in northwestern Alaska, U.S., on the coast of the Chukchi Sea. Proclaimed a monument in 1978, the area underwent boundary changes in 1980. Located along a succession of 114 lateral beach ridges, the monument's remarkable archaeological sites illustrate the cultural evolution of the Arctic people, dating back some 4,000 years and continuing to modern Eskimos. Wildlife includes seals and other marine mammals. The monument covers 1,031 square miles (2,670 square km).