Black Diamond coal mines
Named in 2 stories. Back to all names
- May 10, 1884A Coal Baron's Ultimatum: Finish the Railroad or the Black Diamond Mine StallsP. H. Cornwall says his King County mine has spent more than $60,000 and is ready to ship coal to the world—if the Oregon Improvement Company completes its Cedar River line to the pit.Black Diamond, WA
- May 6, 1885The Price of Coal and the Cost of ControlWhen miners at Black Diamond challenged a shift from daily wages to piecework, the company boss opted to shut the mine down entirely rather than negotiate the rate.Black Diamond, WA