Arkhangelsk Oblast the south-west of the Oblast drains into the Kema River which belongs to the basin of the Caspian Sea. The area in the Onega River basin containing the biggest lakes in the oblast, such as Lake Lacha, Lake Kenozero, Lake Undozero, and Lake Kozhozero. The tundra of the Nenets Autonomous Okrug also contains a number of bigger lakes. The river basin of the Pinega is characteristic of the karst, with a number of caves in the region. The White Sea coast within the Oblast is split into the Onega Bay (where the Onega is the major tributary), the Dvina Bay
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