004 - PHOTOGRAPHER
Constructs maps and mosaics from aerial photographs. Makes mathematical computations and constructs tables and graphs to correct Stereographic displacements and distortions in photographs. Constructs control boards upon which mosaics are assembled; uses stereocomparograph, contour finder, and other instruments to prepare and to compile topographic maps.
Must have a knowledge of photogrammetry and must be capable of doing topographic drafting. Must know signs and symbols used in military mapping.
