Canada Department of Mines, Geological Survey: The Niagra Falls Survey of 1927.
Ottawa: Canada Department of Mines/ F.A. Acland, 1930. 8vo. 21 pp pamphlet + 12 folding charts. Memoir 164 and Figures 2 to 13. Slipcase rubbed, moderate soil, splitting at spine, some chips at edges of slipcase. Light soil to Memoir 164, charts clean and bright. Very Good Pamphlets in slipcase (Item ID: 34249)