Coal Surface Mine
Inga Spence
Meeting Of The Molly Maguires, 1874
Photo Researchers
Coal Surface #1
Inga Spence
Coal Mine, Wyoming
Inga Spence
Coal Tit
David & Micha Sheldon
Coal Tit #2
David & Micha Sheldon
Coal Tit #1
David & Micha Sheldon
Coal-fired Power Plant Smokestack
Science Stock Photography
Coal-fired Power Plant Smokestack #1
Science Stock Photography
Coal Fired Power Plant
Inga Spence
Coal Burning Furnace In Home Basement
H. Armstrong Roberts/ClassicStock
Engineer With Coal Sample
Inga Spence
Surface Coal Mine
Inga Spence
Homer City Coal-fired Power Plant #1
Theodore Clutter
Surface Coal Mine #1
Inga Spence
Bituminous Coal
Andrew J. Martinez
Union Pacific Coal Train
David R Frazier and Photo Researchers
Homer City Coal-fired Power Plant
Theodore Clutter
Cog Railway, Mount Washington, Nh #4
Larry Landolfi
Fern Fossil
Theodore Clutter
Coal Seams In A Cliff Face
Charlie Ott
Coal Seams #1
Charlie Ott
Coal Miner At Work, C.1940s
H. Armstrong Roberts/ClassicStock
Coal-fired Power Plant
Theodore Clutter
Coal-fired Power Plant #3
Theodore Clutter
Coal-fired Power Plant #6
Theodore Clutter
Coal Furnace Ash Cans On Sidewalk
H. Armstrong Roberts/ClassicStock
Coal-fired Power Plant #1
Theodore Clutter
Coal-fired Power Plant #2
Theodore Clutter
Coal-fired Power Plant #4
Theodore Clutter
Coal-fired Power Plant #5
Theodore Clutter
Coal-fired Power Plant #7
Theodore Clutter
Coal Formation #1
Spencer Sutton
Coal Formation #2
Spencer Sutton
Coal Fired Power Plant #2
Inga Spence
Coal Gondolas
Inga Spence
Coal Stove Heater In Business Office
H. Armstrong Roberts/ClassicStock
Coal Mine, Arizona
Richard W Brooks
Coal Power Plant
Theodore Clutter
Coal Fired Power Plant #1
Inga Spence
Coal Burning Home Furnace, C.1920-30s
H. Armstrong Roberts/ClassicStock
Coal Freighter On The Yangtze
Inga Spence
Coal Furnace, C.1930s
H. Armstrong Roberts/ClassicStock
Coal And Fossil
Martin Shields
Coal Burning Water Heater, C.1920s
H. Armstrong Roberts/ClassicStock
Coal Freighter On The Yangtze River
Inga Spence
Marshy Carboniferous Forest
Science Source
Neuropteris Fossil #1
Theodore Clutter
Cog Railway, Mount Washington, Nh #1
Larry Landolfi
Narrow Gauge Steam Engine
Phil Degginger
Neuropteris And Alethopteris
Theodore Clutter
Anthracite Coal Bricks
Ray Ellis
Workers Sorting Coal, C.1930s
H. Armstrong Roberts/ClassicStock
Anthracite Coal
Martin Shields
Bituminous Coal #1
Photo Researchers
Bituminous Coal #1
Andrew J. Martinez
Bituminous Coal
A.b. Joyce
Bituminous Coal
Photo Researchers
Bituminous Coal #2
Photo Researchers
Bituminous Coal #3
Photo Researchers
Wooden Car Loaded With Coal In Mine
H. Armstrong Roberts/ClassicStock
Acid Water From Coal
Ray Ellis
Homer City Power Plant And Coal Piles
Theodore Clutter
San Juan Coal Power Plant #1
Theodore Clutter
San Juan Coal Power Plant
Theodore Clutter