State Historical Society of North Dakota and overall security functions. State Historical Society of North Dakota The State Historical Society of North Dakota is an agency that preserves and presents history through museums and historic sites in the state of North Dakota. The agency operates the North Dakota Heritage Center in Bismarck, which serves as a history museum for the state, oversees the preservation of the state's historic places, and presents the history of the state to the public in exhibits and branch museums. The Society also operates the Former North Dakota Executive Mansion in Bismarck. Headquartered in Bismarck, the State Historical Society consists of one
U.S. Route 81 in North Dakota U.S. Route 81 in North Dakota U.S. Route 81 (US 81) is a part of the U.S. Highway System that travels from Fort Worth, Texas, to the Pembina–Emerson Border Crossing near Pembina. In the state of North Dakota, US 81 extends from the South Dakota border north to the Canada-United States border. U.S. 81 enters North Dakota concurrently with Interstate 29 (I-29). It heads north from the South Dakota border, passing through Fargo, to the north side of Grand Forks. There it splits off to the northwest, passing through the city of Manvel. It parallels I-29, passing through the town