The Mining World:
The images above were taken by a well known photographer in Prescott during the early 1900’s, and used for both the ‘Bradshaw Mountain Copper Mining and Smelting Company’, whatever that is, in their promotion of stock interests, AND by George U. Young for his ‘Derby Mine’, wherever that was located.
Here are the Derby Mine images from the original photographer, from the Derby Mine file, the same ones used in the above article for a different mining operation, in a different district:
