Map consultation: retreating DOLLY SHOTs through map filing department. Over-the-shoulder shots of man consulting map, positioning overlay maps, placing grid into place. CUs of map details through magnifier, man's hand making note on map. Front view of man at work on map. LAMCS of man at work, as seen through glass and transparent map. FOLLOW MCU of head of map plotter moving over map, writing down data. MS of whole apparatus in operation. MCU of hand using digitizer. ZOOM OUT and PAN as woman rises and walks to another piece of equipment. MCU of button panel of digitizer. Shots of operator putting cards into collator. Shots of drum scanner in use.