Slope County, North Dakota where possibility is as endless as the horizon.

Officially declared on December 31, 1914, by Gov. Louis B. Hanna as a result of the favorable vote to detach the new county from the southern portion of Billings County. The name refers to the Missouri Slope, a popular designation for western North Dakota, particularly the area west of the Missouri River. Government organized: January 14, 1915. County Seat: Amidon, 1915-present.