James' World 2

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The Seward Peninsula is a large peninsula on the western coast of the U.S. state of Alaska whose westernmost point is Cape Prince of Wales. The peninsula projects about 200 mi (320 km) into the Bering Sea between Norton Sound, the Bering Strait, the Chukchi Sea, and Kotzebue Sound, just below the Arctic Circle. The entire peninsula is about 210 mi (330 km) long and 90–140 mi (145–225 km) wide. Like Seward, Alaska, it was named after William H. Seward, the United States Secretary of State who fought for the U.S. purchase of Alaska.

The Seward Peninsula is a remnant of the Bering land bridge, a roughly thousand-mile-wide swath of land connecting Siberia with mainland Alaska during the Pleistocene Ice Age. This land bridge aided in the migration of humans, as well as plant and animal species, from Asia to North America. Excavations at sites such as the Trail Creek Caves and Cape Espenberg in the Bering Land Bridge National Preserve as well as Cape Denbigh to the south have provided insight into the timeline of prehistorical migrations from Asia to the Seward Peninsula.

Other locations on the Seward Peninsula include the mining towns of Council, Solomon, Candle, Haycock, and Taylor. While still frequented by locals of neighboring communities, there are no longer year-round residents in these locations. There is a United States Coast Guard LORAN station at Port Clarence. The U.S. Air Force operates a radar station at the “Tin City” site, 7 mi (11 km) southeast of Wales. The Seward Peninsula has several distinct geologic features. The Devil Mountain Lakes on the northern portion of the peninsula are the largest maar lakes in the world and part of the Espenberg volcanic field. They were formed over 21,000 years ago as the result of an underground steam explosion. The Killeak Lakes and White Fish Lake are also volcanic maar lakes of notable size on the northern Seward Peninsula. Four mountain ranges line the southern side of the peninsula, the most prominent being the Kigluaik (or Sawtooth) Mountains. The highest point in the range and the peninsula is the peak of 4,714 ft (1,437 m) Mount Osborn. Other mountain ranges on the Seward Peninsula include the Bendeleben Mountains, Darby Mountains, and York Mountains. The Bendeleben Mountains exhibit evidence of recent faulting in the late Cenozoic, with the majority of tectonic deformation and mountain formation occurring in the Cretaceous, which is attributed to regional tectonic block rotation of the Bering plate in the Arctic. The Lost Jim Lava Flow north of Kuzitrin Lake is a lava field formed roughly 1,000 to 2,000 years ago, which covers roughly 88 sq mi (230 km²). Wikipedia

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An image from Seward Peninsula Alaska

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