Lewis, Theodore Hayes (b.1856). INCISED BOULDERS IN THE UPPER MINNESOTA VALLEY. (Offprint from The American Naturalist, July, 1887). [St. Paul, MN]: [no publisher noted], 1887. Octavo, 9 inches high by 6 inches wide. Softcover, bound in printed self-wrappers. 4 pages, illustrated with 3 diagrams. The pamphlet is soiled with a couple of stains. There is a chip in the right margins of the pages. Good.
First separate edition. Signed in print on page 4: "T.H. Lewis / St. Paul, Minn., April 6. 1887."
Theodore H. Lewis was the first archaeologist to systematically survey and record archaeological sites in Minnesota. Between 1883 and 1895 Lewis surveyed more than 12,000 mounds in Minnesota, Canada and surrounding states. His research formed the basis of knowledge