Evolution of the Conservation Movement, 1850-1920
Lake Michigan Dumping Prevention Act: Debates and Proceedings. Excerpted from the Congressional Record: Containing the Proceedings and Debates of the Sixty-First Congress, Second Session. Volume XLV. Pp. 825, 5432, 5672, 5702-03, 6119, 6254, 6322, 8219, 8363, 8489, 8548, 8622, 8699, 9107.