This 1904 map by Geo S. Clason depicts mining districts in Boulder County, Colorado. It features Magnolia, Gold Hill, Ward, Springdale, Jamestown, Crisman, Sugarloaf, and Copper Rock areas.
This 1904 map by Geo S. Clason depicts mining districts in Boulder County, Colorado. It features Magnolia, Gold Hill, Ward, Springdale, Jamestown, Crisman, Sugarloaf, and Copper Rock areas.