Limnological Observations in the Upper Mississippi, 1921.
Washington DC: Government Printing Office, 1924. 4to. 347-438 pp. Front cover has stamp from previous owner. Spine ends and corners have light wear. Spine has light creasing. Paper investigates the changes to organic life in the river resulting from the construction of a new dam. Paper is part of Vol. XXXIX of the Bulletin of the Bureau of Fisheries. Near Fine Booklet (Item ID: 45856)