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Photograph

Blackstone Mine

Date: 1924
Description: The Blackstone Mine property and mining equipment.
Photograph

Diamond Drill Outfit

Date: 1909
Description: Exterior view of a diamond drill outfit on Presque Isle River.
Photograph

Diamond Drill Outfit Interior

Date: 1909
Description: Several men standing next to gears and machinery inside a diamond drill outfit.
Photograph

National Zinc Separating Company Plant

Date: 1925
Description: View down railroad tracks of the National Zinc Separating Company grounds. There is a large mound of ores, railroad cars, industrial buildings and a tall b...
Photograph

National Zinc Separating Company Plant

Date: 1925
Description: View across field towards large mounds of raw material at National Zinc Separating Company plant. Industrial buildings are in the background.
Photograph

National Zinc Separating Company Plant

Date: 1925
Description: Railroad tank cars on railroad tracks outside the plant. There are two large round storage tanks behind the tank cars.
Photograph

National Zinc Separating Company Plant

Date: 1925
Description: View down railroad tracks towards large mounds of raw material at National Zinc Separating Company plant. Industrial buildings and a railroad car and an au...

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