Quaker Mine (438)

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Mine name Quaker Mine
State Colorado
County Boulder
Author Hess, F.L.
Caption The "Oregon" ferberite vein on the 300 foot level of the Quaker mine, 2 miles west of Sugar Loaf, and 4 miles northeast of Lakewood(?). E.O. Dane, manager for scale. Boulder County, Colorado. March 2, 1917.