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	1.	Graphite, its properties, occurrence, refining and uses, by Fritz Cirkel. by Canada. Mines Branch (1901-1936) Cirkel, Fritz, 1863-1914 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Ottawa, 1907 Availability: No items available. Add to cart (remove)
	2.	Report on the chrome iron ore deposits in the eastern townships, province of Quebec, by Fritz Cirkel. by Canada. Mines Branch (1901-1936) Cirkel, Fritz, 1863-1914 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Ottawa, Government printing bureau, 1909 Availability: No items available. Add to cart (remove)
	3.	Report on the iron ore deposits along the Ottawa (Quebec side) and Gatineau rivers, by Fritz Cirkel. by Canada. Mines Branch (1901-1936) Cirkel, Fritz, 1863-1914 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Ottawa, Government printing bureau, 1909 Availability: No items available. Add to cart (remove)
	4.	Mica, its occurrence, exploitation, and uses; by Hugh S. de Schmid. by Spence, Hugh S. (Hugh Swaine), 1885- Cirkel, Fritz, 1863-1914. Mica Canada. Mines Branch (1901-1936) Edition: 2d ed. Material type: Text; Format: print ; Literary form: Not fiction Publication details: Ottawa, Government Printing Bureau, 1912 Availability: No items available. Add to cart (remove)

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