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Rammed earth construction near Birmingham, Alabama. A depth of eleven ...
Public domain photograph of Alabama in 1930s, free to use, no copyright restrictions image - Picryl description
Columbia Steel Company at Geneva, Utah. Footings for open hearth furna...
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Rammed earth construction near Birmingham, Alabama. A depth of eleven ...
Public domain photograph of Alabama in 1930s, free to use, no copyright restrictions image - Picryl description