251. Reports. Survey of northern and northwestern lakes: Preservation of Niagara Falls; Investigation of water diversion from Great Lakes and Niagara River; Supervision of power companies diverting water from Niagara River; Survey of St. Lawrence River; Diversion of water through Chicago Drainage Canal; [W. P. Wooten and J. G. Warren in charge]. Bookmark Corporate/Agency Authors: Northern and Northwestern Lake Survey, Engineer Department, and War Department Publisher: Northern and Northwestern Lake Survey Date: 1920