Public domain
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Flight advisory weather service. Here pilots in flight are warned of adverse weather conditions that might affect the safe operation of the aircraft
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineWashington, D.C. The U.S. Weather Bureau station at the National Airport. Flight advisory weather service. Here pilots in flight are warned of adverse weather conditions that might affect the safe ope. 1943-01-01. Driscoll, Fred. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.