Claim: The beaches of Cape Espenberg (located on the the Chukchi Sea coast – a marginal sea of the Arctic Ocean) see additions such as bones of Pleistocene megafauna, modern and ancient shell valves, and driftwood (concentrating more in the storm beach).
Evidence: Cape Espenberg is a cape located on the Seward Peninsula in Alaska, on the Chukchi Sea coast. Chukotskoye more, IPA: [tɕʊˈkotskəjə ˈmorʲɪ), sometimes referred to as the Chuuk Sea, Chukotsk Sea or the Sea of Chukotsk, is a marginal sea of the Arctic Ocean. A variety of clastic additions are common on the beach; these include the bones of Pleistocene megafauna (mostly horse, bison or mammoth), modern and ancient shell valves. Drift wood is concentrated in the storm beach and within the mouths of surge channels that cross cut the beach ridges.