Orthophoto maps overprinted with topographic, cadastral and local government information. Relief shown by contours and spot heights. "Australian map grid zone __" Boggs & Lewis no. 830br. 1971- Identification number obtained from Department of Lands, South Australia publication 'Mapping products'. Each sheet has been catalogued individually or as a set. Some maps are diazo prints. Marginal diagrams: "Local government areas within this 1:2 500 sheet," "Index to adjoining sheets," "1:10 000 sheet subdivision showing 1:2 500 sheets" and "1:100,000 sheet subdivision showing 1:10,000 sheets location diagram."