| General Note | From Smithsonian report for 1881.
By Whitcomb, T.M. and others: Indian works and mounds, Klickitat River, Washington, in Kansas, Iowa, Missouri, Arkansa, Wisconsin, Illinois, Indiana, and in Ohio, in counties Trumbull, Ashland, Butler; in Kentucky, Tennessee, Texas, Alabama, Georgia, Florida, West Virginia, Pennsylvania, New York, Connecticut, Massachusetts, New Brunswick, Nova Scotia.
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