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	1.	Geology and ore deposits of the Bonanza mining district, Colorado, by W. S. Burbank; with a section on History and production, by Charles W. Henderson. Prepared in cooperation with the Colorado metal mining fund. by Burbank, W. S. (Wilbur Swett), 1898-1975 Henderson, Charles William, 1885- Colorado State Metal Mining Fund Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, U.S. Govt. Print. Off., 1932 Availability: No items available. Add to cart (remove)
	2.	Geology and ore deposits of the Montezuma Quadrangle, Colorado / by T. S. Lovering. Prepared in cooperation with the State of Colorado, Colorado Metal Mining Fund, Colorado Mining Association, and Geological Survey Board of Colorado. by Lovering, T. S. (Thomas Seward), 1896-1991 Colorado Geological Survey Colorado State Metal Mining Fund Colorado Mining Association Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington : U.S. Govt. Print. Off., 1935 Availability: No items available. Add to cart (remove)

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