DescriptionWashington-Virginia National Airport - Virginia Guide.jpg
English: Sketch from the a handbook titled "Virginia Airport Directory 1970-1971" published by the Division of Aeronautics, State Corporation Commission, Richmond, Virginia. There are no copyright markings in this pamphlet published by a state government agency.
Date
Source
Handbook titled "Virginia Airport Directory 1970-1971" published by the Division of Aeronautics, State Corporation Commission, Richmond, Virginia.
Author
Division of Aeronautics, State Corporation Commission, Richmond, Virginia
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.