Elementary map and aerial photograph reading
By: prepared under direction of the Chief of Engineers
Series: Basic field manual ; FM 21-25
Publisher: U.S. Govt. Print. Off.
Published: 1941
Place of publication: Washington
Language: eng
Number of pages: 100
Subjects: Photographic interpretation (Military science); Maps
Notes: "Supersedes chapter 5, Basic Field Manual, volume 1, April 2, 1938."

Includes index