(*) The ratio of a distance measured on a photograph or mosaic to the corresponding distance on the ground, classified as follows: a. very large scale 1:4,999 and larger; b. large scale 1:5,000 to 1:9,999; c. medium scale 1:10,000 to 1:24,999; d. small scale 1:25,000 to 1:49,999; e. very small scale 1:50,000 and smaller. See also scale.
PHOTOGRAPHIC SCALE
Meaning of PHOTOGRAPHIC SCALE in English
DOD English dictionary of military terms. Английский словарь военных терминов DOD. 2012