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 passport a new agency, the Office of the High Commissioner for Refugees under the Protection of the League of Nations in London. The Nansen International Office for Refugees was awarded the 1938 Nobel Peace Prize for its efforts to establish the Nansen passports. While Nansen passports are no longer issued, existing national and supranational authorities, including the United Nations, issue travel documents for stateless people and refugees, including certificates of identity (or "alien's passports") and refugee travel documents. Nansen passport Nansen passports, originally and officially stateless persons passports, were internationally recognized refugee travel documents from 1922 to 1938, first issued by