Arctic Ocean gas reserves, and the Chukchi shelf forms the border between Russian and the United States as stated in the USSR–USA Maritime Boundary Agreement. The whole area is subject to international territorial claims. An underwater ridge, the Lomonosov Ridge, divides the deep sea North Polar Basin into two oceanic basins: the Eurasian Basin, which is between deep, and the Amerasian Basin (sometimes called the North American, or Hyperborean Basin), which is about deep. The bathymetry of the ocean bottom is marked by fault block ridges, abyssal plains, ocean deeps, and basins. The average depth of the Arctic Ocean is . The
Nansen Ski Jump Nansen Ski Jump Nansen Ski Jump, also known as The Big Nansen and The Sleeping Giant, is a ski jump located along Route 16 in Milan, New Hampshire. Built in 1936, it was the largest ski jump of its time. It is now within Nansen Ski Jump State Historic Site, a New Hampshire state park, which also features a picnic area and boat launch on the Androscoggin River. The Nansen Ski Jump is just north of the Berlin city line. It was constructed in 1936 by the city of Berlin and the National Youth Administration and was once the largest