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The Northern Pacific Railway was a transcontinental railroad that operated across the northern tier of the western United States from Minnesota to the Pacific Coast. It was approved by Congress in 1864 and given nearly 40 million acres of land grants, which it used to raise money in Europe for construction. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in western Montana on September 8, 1883. The railroad had about 6800 miles of track and served a large area, including extensive trackage in the states of Idaho, Minnesota, Montana, North Dakota, Oregon, Washington and Wisconsin. The main activities were shipping wheat and other farm products, cattle, timber and minerals; bringing in consumer goods, transporting passengers; and selling land. It had a tumultuous financial history, and in 1970 it merged with other lines to form the Burlington Northern Railroad.
