Alpha Ridge Island is interpreted to represent the cratonward extension of the Alpha Ridge. The Alpha Ridge is part of the High Arctic Large Igneous Province. Alpha Ridge The Alpha Ridge is a major volcanic ridge under the Arctic Ocean between the Canada Basin (off Ellesmere Island) and the Lomonosov Ridge. It was active during the formation of the Amerasian Basin. It was discovered in 1963. The highest elevation is about 2,700 m over the ocean floor. It is 200 to 450 km wide. The Alpha Ridge, Lomonosov Ridge, and Nansen-Gakkel Ridge are the three major ranges that divide the Arctic Ocean
Closed Basin Project Habitat Area. In this area the water table is very close to the surface. Water can evaporate directly from the soil or be taken up by plants such as salt grass, rabbit brush and greasewood, which release the water through evapotranspiration. The Closed Basin Project was authorized by Congress in 1972 to extract groundwater from the lowest part of the basin in an area that covers . Colorado uses the water as part of its contribution to the Rio Grande Compact of 1939, making more water available for irrigation in Colorado. It also helps the United States meet its 1906