Ohio River zwischen Mound City und Kairo. Maßstab ca. 1: 23.500. LC Civil War Maps (2. Aufl. Beschreibung aus veröffentlichter Bibliographie. Verfügbar auch über die Webseite der Library of Congress als Rasterbild.
Public domain photograph of United States agriculture in the 1930s, country, farmer, farm, great depression, migration, dust bowl refugees, free to use, no copyright restrictions image - Picryl description
Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description
Public domain image with Picryl description as title Public domain photograph of port, ship docks, free to use, no copyright restrictions image - Picryl description
Public domain photograph of the United States military and military-industrial complex before World War Two, 1930s, free to use, no copyright restrictions image - Picryl description
Public domain photograph of United States agriculture in the 1930s, country, farmer, farm, great depression, migration, dust bowl refugees, free to use, no copyright restrictions image - Picryl description
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.