1. Map of the Theodore Roosevelt International Highway, Portland, Oregon to Portland, Maine : showing every city, town, village and hamlet throughout its entire length : proposed by the Theodore Roosevelt International Highway Association and also advocated by the National Highways Association, Washington, D.C. Maps University Of Minnesota Public content 1923. Mulford, John C. May 1923.; Includes illustrations, notes, and "Profile of the Theodore Roosevelt International Highway showing elevations above sea level of the pr... , 1923.