GA 1750 4 Chalubia chart covering an area of approximately covering an area of approximately 670km from east to west and 440km nort to south Locations within this MapIndulkana Iwantja Windmill Well Railway Bore Flat Top Hill Flat Top Hill Dam Tarabull Dam Branson Well Ewintinna Wells Indulkana Well Canyon Springs Indulkana Spring Rocky Well Iwantja Chandler Siding Tarcabull Dam Flat Top Dam Granite Downs Inyinyintan Indulkana Mount Chandler Inyinintyin Roadside Bore Mount Chandler Well Byran Well O'Donoghue Hill Roadside Well Tarcoonyinna Bore Windmill Yard Healy Spring Dulkaninna Well Granite Downs Station Indulkana Springs Hut Well with a contour interval of 10m GA topographic maps (many of which are produced in partnership with the Army) are generally older than those maps produced by the State Governments over the same area