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	1.	Report on the tungsten ores of Canada, by T. L. Walker. by Canada. Mines Branch (1901-1936) Walker, T. L. (Thomas Leonard), 1867- Material type: Text; Format: print ; Literary form: Not fiction Publication details: Ottawa, Printed by C. H. Parmelee, 1909 Availability: No items available. Add to cart (remove)
	2.	Report on the molybdenum ores of Canada. by Walker, T. L. (Thomas Leonard), 1867- Canada. Mines Branch (1901-1936) Material type: Text; Format: print ; Literary form: Not fiction Publication details: Ottawa, Govt. Print. Bureau, 1911 Availability: No items available. Add to cart (remove)

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