Steam Shovel at Dam Site - U.S. National Archives Public Domain photog...
Dieses Foto zeigt den Einsatz einer Dampfschaufel zum Transport von Material für den Bau von Staudämmen für das Gezeitenkraftwerk Passamaquoddy. Passamaquoddy Tidal Power Project Fotografien
Boring Test Holes at Proposed Dam Site - Bureau of Indian Affairs
Public domain photograph related to native Americans, Reservations, free to use, no copyright restrictions image - Picryl description
Bear Creek Dam (Stripped Dam Site) - Bureau of Indian Affairs
Public domain photograph related to native Americans, Reservations, free to use, no copyright restrictions image - Picryl description
Endgültiges Foto des Gebäudes zur Herstellung von Ammoniumnitrat
Bildunterschrift: Iowa Ordnance Plant Burlington, Iowa # 287 8. August 1941 14.00 Uhr Abschließendes Foto des Ammoniumnitrat-Präparationsgebäudes, 8-79, Blick von der Straße zum Staudamm nordöstlich. Fortschrittsfotos
Bear Creek Dam (Stripped Dam Site) - Bureau of Indian Affairs
Public domain photograph related to native Americans, Reservations, free to use, no copyright restrictions image - Picryl description
Dam Site - U.S. National Archives Public Domain photograph
Photographs Public domain photograph of electric power generation, power lines, free to use, no copyright restrictions image - Picryl description
Project (White Clay Dam - View Across Dam Site) - Bureau of Indian Aff...
Public domain photograph related to native Americans, Reservations, free to use, no copyright restrictions image - Picryl description