Survey number: HAER OH-20 Public domain photograph - historical image of Ohio, United States, free to use, no copyright restrictions image - Picryl description
Survey number: HAER OH-20 Public domain photograph of a city streets, cityscape, urban environment, buildings, free to use, no copyright restrictions image - Picryl description
Survey number: HAER OH-20 Public domain photograph of a tunnel, arch structure, free to use, no copyright restrictions image - Picryl description
Survey number: HAER OH-20 Public domain photograph of attic, house frame, free to use, no copyright restrictions image - Picryl description
Survey number: HAER OH-20 Public domain photograph of manufacturing workers, factory building, assembly line, free to use, no copyright restrictions image - Picryl description