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The Madison Carnegie Library or Madison Public Library, located at 401 Sixth Avenue, Madison, in the U.S. state of Minnesota is a public library building built in 1905 of brick with limestone trim. Its characteristic features include a columned and pedimented main entrance and a small polygonal dome on its flat roof. The structure was built with an $8,000 grant from Andrew Carnegie. This was one of over 3,000 libraries in 47 states funded by Carnegie. Local residents gave an additional $1,000 in gifts and books at its dedication on January 22, 1906. Gerhard Herriges, a contractor for public buildings in Western Minnesota, built the building for $6,216.85.