Watts Bar Dam, Tennessee. Tennessee Valley Authority. Hooks of 250 ton crane. Sourced from the Library of Congress. https://www.rawpixel.com/image/12340429/image-cloud-sky-lightFree Image from public domain licenseFort Loudon [i.e., Loudoun] Dam, Tennessee. Tennessee Valley Authority (TVA). Construction. Sourced from the Library of… https://www.rawpixel.com/image/12340484/image-cloud-person-skyFree Image from public domain licenseMountain Sky Clouds Scenery Landscape Beautiful https://www.rawpixel.com/image/90719/free-photo-image-sky-adventure-amazingView licenseFort Loudon [i.e., Loudoun] Dam, Tennessee. Tennessee Valley Authority (TVA). Construction. Sourced from the Library of… https://www.rawpixel.com/image/12340473/image-person-sky-architectureFree Image from public domain licenseFort Loudon [i.e., Loudoun] Dam, Tennessee. Tennessee Valley Authority (TVA). Construction at night. Sourced from the… https://www.rawpixel.com/image/12340472/image-frame-moon-skyFree Image from public domain licenseLauderdale County, Alabama. Tennessee Valley Authority (TVA). Julien H. Case using a portable electric motor for his farm… https://www.rawpixel.com/image/12340380/image-face-person-woodFree Image from public domain licenseMountain Sky Clouds Scenery Landscape Beautiful https://www.rawpixel.com/image/90718/free-photo-image-sky-landscape-adventureView license[Untitled photo, possibly related to: Moreno Valley, Colfax County, New Mexico. William Heck, a stockman, churning butter… https://www.rawpixel.com/image/12291437/photo-image-face-person-living-roomFree Image from public domain licenseMountain pass at Glen Coe in Scotland https://www.rawpixel.com/image/935878/road-the-wildernessView license[Untitled photo, possibly related to: New Idria, California. A birds-eye view of New Idria showing vicinity of the mine… https://www.rawpixel.com/image/12297358/photo-image-plant-sky-eyeFree Image from public domain licenseMountain Sky Clouds Scenery Landscape Beautiful https://www.rawpixel.com/image/90649/free-photo-image-adventure-amazing-areaView licenseMountain Sky Clouds Scenery Landscape Beautiful https://www.rawpixel.com/image/90633/free-photo-image-mount-light-adventure-amazingView license