Data for decision

A look at the ‘Canada Land Inventory Geo-information System’, a computer system used to help manage and develop Canadian land. Shows the computer’s capacity for storing information, correlating and interpreting facts, and converting data into maps and diagrams. Photographed by Martin Duckworth, Jacques Foges and Kjeld Nielsen; animation by Donald Stearn; edited by Arthur Lipsett; sound by Sidney Pearson and George Croll; narrated by Richard Gilbert.