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The Iroquois Beach : a chapter in the geological history of Lake Ontario
Spencer, J W (1851-1921)
[1889]
Reprinted from the Transactions of the Royal Society of Canada, section IV, 1889.
Terraces and beaches about Lake Ontario
Spencer, J W (1851-1921)
[1882]
Reprinted from the American journal of science, vol. XXIV, December 1882.
The high continental elevation preceding the Pleistocene period; Ancient shores, boulder pavements, and high-level gravel deposits in the region of the Great Lakes
Spencer, J W (1851-1921); Spencer, J W (1851-1921)
[1889]
Reprinted from the Bulletin of the Geological Society of America, vol. I, 1889.