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Teshekpuk Lake, large freshwater lake located in northern Alaska some 6 miles (10 km) from the Beaufort Sea, within the lands allocated to the National Petroleum Reserve. Teshekpuk Lake is well known for its dense concentration of wildlife, especially geese and caribou (Rangifer tarandus). The name of the lake comes from the Inupiaq word tasok-poh, which means “big coastal lake” or “the largest lake of all.” Teshekpuk Lake is Alaska’s third largest lake. It is...