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 of Coos Bay Port of Coos Bay The Oregon International Port of Coos Bay is a port of the Pacific coast of the United States, located in Coos Bay near the city of Coos Bay, Oregon. It is the largest deep-draft coastal harbor between San Francisco Bay and Puget Sound, and is Oregon's second busiest maritime commerce center after the Port of Portland. The port operates the 134-mile Coos Bay Rail Link which connects the port to Eugene, Oregon and the national rail network. In the mid-1900s, the Port of Coos Bay held the title of "world's largest lumber shipping port". Lumber ships