Prior to the 1920s, miners wore a soft cap made of cloth or canvas with a leather brim and lamp bracket to hold their light. But in 1919, Edward D. Bullard of San Francisco, California developed the ...
Stanley “Goose” Stewart, who survived the Upper Big Branch coal mine disaster that killed 29 workers 15 years ago Saturday, ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback