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Report on milling ores in the Hock Hocking Mine, Park County, Colorado
Contributor:Schneider, Charles M.; Baker, C. A.
Report (based on conversations with Mr. Z.R. Stocker) on the Stocker claims in the Consolidated Montgomery Mining District, Park County
Contributor:Dwinell, William H.; Stocker, Z. R.
Report on Criterion Property
Contributor:Martine, W. J.