Photograph of a coal miner wearing a headlamp while using a hand crank drill in a mine. A pickaxe lays on the ground near the miner
Photograph, circa 1906, a shirtless man wearing a helmet with a light and holding a hammer. He is st...
This miner is using an electric hand drill made by the Jeffrey Manufacturing Company of Columbus, Oh...
Black and white photograph from National Coal Association showing an unidentified employee at a coal...
Photograph of a miner using a long hand drill in the mine. To his left is a pickaxe and on his head ...
Photograph of two miners wearing helmets with headlamps setting up a drill on the wall of a mine. Al...
Black and white photograph of a miner at work at a coal mine, owned by U.S. Fuel Corporation
Photograph of a man hunched over, digging for coal in a coal shaft. Dust or smoke in the narrow shaf...
Black and white photograph of a miner at work at a coal mine, owned by U.S. Fuel Corporation
Two images: 1.) miner lying and using pick; 2.) man kneeling beside coal car and looking at a piece ...
Black and white photograph of an unidentified employee at a coal mine, location not identified
A miner is glancing at the camera as he rests for a moment whil setting drills to extract new ore
Photograph of a coal mine to produce electricity.https://digitalcommons.whitworth.edu/album01/1143/t...
Photograph, circa 1906, a shirtless man wearing a helmet with a light and holding a hammer. He is st...
This miner is using an electric hand drill made by the Jeffrey Manufacturing Company of Columbus, Oh...
Black and white photograph from National Coal Association showing an unidentified employee at a coal...
Photograph of a miner using a long hand drill in the mine. To his left is a pickaxe and on his head ...
Photograph of two miners wearing helmets with headlamps setting up a drill on the wall of a mine. Al...
Black and white photograph of a miner at work at a coal mine, owned by U.S. Fuel Corporation
Photograph of a man hunched over, digging for coal in a coal shaft. Dust or smoke in the narrow shaf...
Black and white photograph of a miner at work at a coal mine, owned by U.S. Fuel Corporation
Two images: 1.) miner lying and using pick; 2.) man kneeling beside coal car and looking at a piece ...
Black and white photograph of an unidentified employee at a coal mine, location not identified
A miner is glancing at the camera as he rests for a moment whil setting drills to extract new ore
Photograph of a coal mine to produce electricity.https://digitalcommons.whitworth.edu/album01/1143/t...
Photograph, circa 1906, a shirtless man wearing a helmet with a light and holding a hammer. He is st...
This miner is using an electric hand drill made by the Jeffrey Manufacturing Company of Columbus, Oh...
Black and white photograph from National Coal Association showing an unidentified employee at a coal...