General Lyon's March to Booneville
The Battle of Booneville was a skirmish of the American Civil War, occurring on June 17, 1861, in Cooper County, Missouri. Union victory established Federal control of the Missouri River and helped thwart efforts to ally Missouri with the Confederacy.
Benson John Lossing, ed. Harper's Encyclopedia of United States History (vol. 6) (New York, NY: Harper and Brothers, 1912)