Arkhangelsk Oblast eventually spread well beyond the Arkhangelsk Region. The Mezen horses, bred in the Mezen River valley, are rather small but suitable for difficult work and easily survive cold winters. The area of current Arkhangelsk Oblast has always been located on the trading routes connecting central Russia to the White Sea, and, in fact, in the 17th century the White Sea was the main sea export route for Russia. The whole course of the Northern Dvina is navigable, as well as the lower course of some of its tributaries, most notably the Vychegda, the Vaga, and the Pinega. The Mezen is
Port Tampa Bay Port Tampa Bay Port Tampa Bay, known as the Port of Tampa until January 2014, is the largest port in the state of Florida and is overseen by the Tampa Port Authority, a Hillsborough County agency. The port is located in Tampa, Florida near downtown Tampa's Channel District. The port directly accesses Tampa Bay on the western coast of the Florida Suncoast, and is approximately 25 sea miles from the Gulf of Mexico. The boundaries of the Port district includes parts of Tampa Bay, Hillsborough Bay, McKay Bay, Old Tampa Bay and the Hillsborough River. The port serves container ships,