Elementary map and aerial photograph reading.
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| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Washington, D.C. :
War Department,
Aug. 15, 1944.
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| Series: | War Department Field manual ;
no. FM 21-25. |
| Subjects: |
| Item Description: | "Supersedes FM 21-25, April 12, 1941." Earlier ed. prepared by U.S. Engineer Dept. |
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| Physical Description: | 116 p. : ill. ; 17 cm. |