Describir: Military maps and air photographs; their use and interpretation /

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 `____ `    \ ` //   | |_| ||  / //\ \\ | || | ||  | / \ ||  | |_| || 
 /___//      | ||    | .  //  |  ___  ||| \\_/ ||  | \_/ ||  | .  //  
 `__ `       |_||    |_|\_\\  |_||  |_|| \____//    \___//   |_|\_\\  
 /_//        `-`'    `-` --`  `-`   `-`   `---`     `---`    `-` --`  
 `-`                                                                  
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