Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 289
Log Sluice around Big Falls on Pigeon River. Pigeon River falls 135 feet at this point. … Great Northern Power Company. Big Dam on the St. Louis River near Carlton, Minn., where a head of 375 feet is developed.
Engineering
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
