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	1.	The Ordovician rocks of Lake Timiskaming, by M. Y. Williams. by Williams, Merton Yarwood, 1883- Series: National Museum of Canada. Bulletin ; no. 17. \| National Museum of Canada. Geological series ; no. 27. Material type: Text; Format: print ; Literary form: Not fiction Publication details: Ottawa, Government printing bureau, 1915 Availability: No items available. Add to cart (remove)
	2.	The Silurian geology and faunas of Ontario peninsula, and Manitoulin and adjacent islands, by M. Y. Williams. by Williams, Merton Yarwood, 1883- Series: Memoir (Geological Survey of Canada) ; 111 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Ottawa, J. de L. Taché, printer, 1919 Availability: No items available. Add to cart (remove)
	3.	Geology of southern Alberta and southwestern Saskatchewan, by M.Y. Williams and W. S. Dyer. by Williams, Merton Yarwood, 1883- Dyer, William Spafford, 1894- [joint author.] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Ottawa, F.A. Acland, Printer, 1930 Availability: No items available. Add to cart (remove)

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