- Title: Black Diamond Coal truck
- Subject: photographic print; mining; Black Diamond Coal Company
- Description: A truck loaded with large chunks of coal and two men (identified as Jimmy Williams and Pete Kopenhafer) standing in the back and another man (Dan Christensen, Jr.) standing on the running board. Dan Christensen, Sr. is standing in front of the truck.
- Date: 1926
- Collection: Farmington Museum
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