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