Kargopolsky District subordinated to the central administration of Northern Krai. In 1936, the krai was transformed into Northern Oblast. In 1937, Northern Oblast itself was split into Arkhangelsk Oblast and Vologda Oblast. Kargopolsky District remained in Arkhangelsk Oblast ever since. The district is almost exclusively located in the basin of the Onega River, which is the biggest river in the district, and belongs to the basin of the White Sea. The source of the Onega is Lake Lacha, which is the biggest lake in the district. The northeastern shore of Lake Vozhe, also in the basin of the Onega, belongs to Kargopolsky
Port Tampa Bay which has exclusive truck lanes to route truck traffic from Interstate 4 directly to Port Tampa Bay, which now allows trucks to bypass city roads and travel directly between the Port and the interstate system. Tampa Bay has been used as a wide, safe harbor ever since it was first mapped by Spanish explorers in the 16th century. Álvar Núñez Cabeza de Vaca referred to the entire bay as a "Port," writing, "The Port of which we speak is the best in the world." In 1821, two years after the United States bought Florida from Spain, James Forbes, Military Governor