Bingham Canyon, Utah. Blasting at the open-pit mine of the Utah Copper Company. Sourced from the Library of Congress. https://www.rawpixel.com/image/12295452/photo-image-sky-mountain-public-domainFree Image from public domain licenseMountain valley near Telluride showing gold mill and Bridal Veil Falls and road winding around mountain up to the mine. San… https://www.rawpixel.com/image/12150353/image-plant-art-vintageFree Image from public domain license[Untitled photo, possibly related to: Morenci, Arizona. An open-pit copper mine of the Phelps Dodge mining corporation].… https://www.rawpixel.com/image/12293543/photo-image-sky-mountain-public-domainFree Image from public domain licenseSnowstorm over the mountains in Socorro County, New Mexico. Snow in the mountains is an important source of water for the… https://www.rawpixel.com/image/12147982/image-cloud-art-skyFree Image from public domain licenseRoad under construction by United States Resettlement Administration. Badlands National Park extension, South Dakota.… https://www.rawpixel.com/image/12267382/photo-image-cloud-person-skyFree Image from public domain licenseAbandoned mine and mill. Tonopah, Nevada. Sourced from the Library of Congress. https://www.rawpixel.com/image/12269949/photo-image-sky-road-mountainFree Image from public domain license[Untitled photo, possibly related to: Guanica, Puerto Rico (vicinity). Burning a sugar cane field. This is a process that… https://www.rawpixel.com/image/12281074/photo-image-sky-leaves-mountainFree Image from public domain licenseBarranquitas (vicinity), Puerto Rico. Landscape in the tobacco country. Sourced from the Library of Congress. https://www.rawpixel.com/image/12283638/photo-image-plant-sky-treeFree Image from public domain license[Untitled photo, possibly related to: Guanica, Puerto Rico (vicinity). Burning a sugar cane field. This is a process that… https://www.rawpixel.com/image/12280863/photo-image-cloud-sky-leavesFree Image from public domain license[Untitled photo, possibly related to: Guanica, Puerto Rico (vicinity). Burning a sugar cane field. This is a process that… https://www.rawpixel.com/image/12280857/photo-image-plant-sky-leavesFree Image from public domain licenseKingman (vicinity), Arizona. A train on the Atchison, Topeka and Santa Fe Railroad between Seligman, Arizona and Needles… https://www.rawpixel.com/image/12292632/photo-image-person-sky-smokeFree Image from public domain license