[Aeronautical strip maps of the United States].
Summary
Public domain scan of a vintage map, city plan, atlas, cartoghraphy, free to use, no copyright restrictions - Picryl description.
Date
01/01/1924
Contributors
United States. Army. Air Corps.
United States. Army. Corps of Engineers.
Geological Survey (U.S.). Topographic Branch.
Source
Library of Congress
Copyright info
Public Domain