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	1.	Common minerals and rocks, their occurrence and uses, by R. D. George. by George, Russell D, 1866- Series: Colorado. Geological survey. Bulletin 6 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Denver, Col., The Smith-Brooks printing co., 1913 Availability: No items available. Add to cart (remove)
	2.	Geology and ore deposits of the Monarch and Tomichi districts, Colorado, by R. D. Crawford. by Crawford, R. D. (Ralph Dixon), 1873- Material type: Text; Format: print ; Literary form: Not fiction Publication details: [Denver, Col., The Smith-Brooks printing co., 1913] Availability: No items available. Add to cart (remove)
	3.	Reconnaissance of the geology of the Rabbit Ears region, Routt, Grand, and Jackson counties, Colorado, by F. F. Grout, P. G. Worcester, Junius Henderson. by Grout, Frank F. (Frank Fitch), 1880- Worcester, Philip G. (Philip George), 1884- [joint author.] Henderson, Junius, 1865-1937 [joint author.] Material type: Text; Format: print ; Literary form: Not fiction Publication details: [Denver, Col., The Smith-Brooks printing co., 1913] Availability: No items available. Add to cart (remove)
	4.	Geology and ore deposits of the Alma district, Park county, Colorado, by Horace B. Patton, Arthur J. Hoskin, G. Montague Butler, 1912. by Patton, Horace Bushnell, 1858-1929 Hoskin, Arthur J. (Arthur Joseph) [joint author.] Butler, G. M. (Gurdon Montague), 1881- [joint author.] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Denver, Col., The Smith-Brooks printing co., 1912 Availability: No items available. Add to cart (remove)

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