Hikers lost in the hills of Glen Etive, Scotland https://www.rawpixel.com/image/529405/diverse-friends-the-outdoorsView license[Untitled photo, possibly related to: Train coming up the valley on a narrow gauge track, Ouray County, Colorado. Notice the… https://www.rawpixel.com/image/12109305/image-steam-plant-artFree Image from public domain licenseWhite SUV car background, blue gradient image https://www.rawpixel.com/image/11723483/white-suv-car-background-blue-gradient-imageView license[Untitled photo, possibly related to: Caples, West Virginia. With coal mine tipple in foreground]. Sourced from the Library… https://www.rawpixel.com/image/12248167/photo-image-plant-sky-forestFree Image from public domain license[Untitled photo, possibly related to: Houses in abandoned mining town with remains of coal tipple at right, Mohegan, West… https://www.rawpixel.com/image/12247935/photo-image-plant-smoke-treeFree Image from public domain license[Untitled photo, possibly related to: Coal train going through center of mining town. Davey, West Virginia]. Sourced from… https://www.rawpixel.com/image/12248092/photo-image-mountain-public-domain-basketballFree Image from public domain license[Untitled photo, possibly related to: Company houses, coal mining section, Pursglove, Scotts Run, West Virginia]. Sourced… https://www.rawpixel.com/image/12248819/photo-image-person-sky-treeFree Image from public domain license[Untitled photo, possibly related to: Coal miners' homes by slate and slag heap, Caples, West Virginia]. Sourced from the… https://www.rawpixel.com/image/12248187/photo-image-plant-forest-treeFree Image from public domain license[Untitled photo, possibly related to: Coal miner going home with friend after work. Many miners are lame. Omar, West… https://www.rawpixel.com/image/12247887/photo-image-plant-person-treeFree Image from public domain licenseCaples, West Virginia. With coal mine tipple in foreground. Sourced from the Library of Congress. https://www.rawpixel.com/image/12247947/photo-image-plant-smoke-treeFree Image from public domain license[Untitled photo, possibly related to: Tenement houses, Omar, West Virginia]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12255083/photo-image-plant-sky-treeFree Image from public domain licenseDetail of bridge over creek made by mountaineer near Jackson, Kentucky. Sourced from the Library of Congress. https://www.rawpixel.com/image/12323258/image-wood-public-domain-furnitureFree Image from public domain licensePulpwood for the paper mills in Berlin, New Hampshire. Sourced from the Library of Congress. https://www.rawpixel.com/image/12321021/image-paper-person-smokeFree Image from public domain license[Untitled photo, possibly related to: Workmen dumping the ice and snow from streets of Berlin, New Hampshire into river].… https://www.rawpixel.com/image/12320274/image-plant-person-treeFree Image from public domain license[Untitled photo, possibly related to: At leLance to tunnel near Gauley Bridge, West Virginia. Famous for "silicosis"… https://www.rawpixel.com/image/12242789/photo-image-plant-forest-treeFree Image from public domain license[Untitled photo, possibly related to: Coke ovens and burning slag heaps make heavy impenetrable smoke over whole town, day… https://www.rawpixel.com/image/12242631/photo-image-steam-plant-smokeFree Image from public domain licenseCoke ovens and burning slag heaps make heavy impenetrable smoke over whole town, day and night. Longacre, West Virginia.… https://www.rawpixel.com/image/12242855/photo-image-steam-person-skyFree Image from public domain license[Untitled photo, possibly related to: Coke ovens and burning slag heaps make heavy impenetrable smoke over whole town, day… https://www.rawpixel.com/image/12242584/photo-image-person-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: Loading gold ore concentrate into freight cars of narrow gauge railroad, Ouray… https://www.rawpixel.com/image/12172186/image-person-art-vintageFree Image from public domain license