Beautifully engraved certificate from the Doyle Consolidated Mines Company issued in 1912. This historic document has an ornate border around it with a vignette of men working in a mine. This item is hand signed by the Company's President ( James Doyle ) and Assistant Secretary and is over 90 years old. A consolidation of the Mancos Mining and Development Co., the Cliff Dwellers Gold Mining Co. and the White Quail Copper Co. Had 31 claims in Rush Basin, part of the California mining district in Montezuma and La Plata Counties. "The property has thus far failed to fulfill the extravagant claims and promises of the White Quail promoters, or their successors (Mines Handbook, 1916, p. 446)- Holabird.