Public domain
Tennessee River, Alabama (Tennessee Valley Authority (TVA)). At dawn, plane spreads insecticide on Tennessee River to destroy malaria-carrying mosquitoes
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineTennessee River, Alabama (Tennessee Valley Authority (TVA)). At dawn, plane spreads insecticide on Tennessee River to destroy malaria-carrying mosquitoes. 1942-01-01. Rothstein, Arthur. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.