A professional who lays out and matches aerial photographs to form photographic mosaic of geographic area for subsequent use in photogrammetric activities, such as topographical mapping. Responsibilities include:

• Lays out photographic prints on table according to sequence in which photographs were taken during flightpath of aircraft.
• Examines prints to locate established landmarks and notes absence of normal overlap of adjacent prints indicating deflection of aircraft from prescribed flightpath.
• Locates and marks specified reference points, such as structures and highway or rail junctions.
• Computes and measures scaled distances between reference points to establish exact relative position of adjoining prints.
• Trims excess from edges of overlapping prints and glues prints to backing board, maintaining scaled distances between reference points and alignment of adjoining prints.