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 International Office for Refugees Nansen International Office for Refugees The Nansen International Office for Refugees ("") was an organization established in 1930 by the League of Nations and named after Fridtjof Nansen, soon after his death, which was internationally in charge of refugees from war areas between 1930 and 1939. It is noted for developing the Nansen passport which allowed stateless people to travel between countries. It received the Nobel Peace Prize in 1938. The "Office International Nansen pour les Réfugiés" was established in 1930 by the League of Nations, shortly after the death of its name patron Fridtjof Nansen to continue his successful