November 1942. "Pittsburgh, Pennsylvania (vicinity). Champion No. 1 cleaning plant. Loaded coal cars ready for market." Photo by John Collier, Office of War Information. View full size.

November 1942. "Pittsburgh, Pennsylvania (vicinity). Westland coal mine. 'Mantrip' going into a drift mine." Acetate negative by John Collier for the Office of War Information. View full size.

November 1942. "Pittsburgh, Pennsylvania (vicinity). Champion No. 1 coal cleaning plant. Loading cars with clean coal." Photo by John Collier, Office of War Information. View full size.

November 1942. "Pittsburgh, Pennsylvania (vicinity). Montour No. 4 mine of the Pittsburgh Coal Company. Andy Piatnik, miner who is an Office of Civilian Defense instructor, and family at home." Acetate negative by John Collier for the Office of War Information. View full size.

November 1942. "Pittsburgh, Pennsylvania (vicinity). Champion No. 1 coal cleaning plant of Pittsburgh Coal Company." Photo by John Collier, Office of War Information. View full size.

September 1942. Deer Lodge County, Montana. "Anaconda smelter, Anaconda Copper Mining Company. Cars containing 50 tons of copper ore are dumped by an unloading mechanism into a 200-ton hopper." Acetate negative by Russell Lee, Office of War Information. View full size.

September 1942. Deer Lodge County, Montana. "Anaconda smelter, Anaconda Copper Mining Company. Individual ore cars are pushed to the ore dump by an electric locomotive." Acetate negative by Russell Lee for the Office of War Information. View full size.

September 1942. Deer Lodge County, Montana. "Anaconda smelter. Ore cars and smokestack." Acetate negative by Russell Lee for the Office of War Information. View full size.

September 1942. Deer Lodge County, Montana. "Anaconda Smelter of the Anaconda Copper Mining Co. The smokestack is the largest in the world: 585 feet in height with a diameter at base of seventy-five feet and at top of sixty feet. Flue gases are discharged at the rate of three to four million cubic feet per minute. The arsenic plant and flue gas cleaning apparatus are seen at the base of the stack." Photo by Russell Lee, Office of War Information. View full size.

September 1942. Deer Lodge County, Montana. "Smelter of the Anaconda Copper Mining Co. Flues atop the battery of roasting furnaces; sulphurous and arsenic gases are carried to the large smokestack." Acetate negative by Russell Lee, Office of War Information. View full size.

September 1942. Deer Lodge County, Montana. "Smelter of the Anaconda Copper Mining Company. Reverberatory furnace buildings." Acetate negative by Russell Lee. View full size.

June 1935. "Mining towns and camps in the Scotts Run area. View of Morgantown, West Virginia." 8x10 negative by Walker Evans for the Farm Security Administration. View full size.

September 1941. "Houses in old mining town. Leadville, Colorado." Medium format acetate negative by Marion Post Wolcott for the Farm Security Administration. View full size.

May 1942. "Central City, an old mining town in the mountainous region of Central Colorado." Acetate negative by John Vachon for the Farm Security Administration. View full size.

May 1942. "Central City, an old mining town. Mountainous region of Central Colorado, west of Denver." Acetate negative by John Vachon for the Farm Security Administration. View full size.