Plan of Overland Telegraph from Port Darwin to Port Augusta [cartographic material] / compiled and drawn in the Office of the Post Master General and Superintendent of Telegraphs by Alexander Ringwood ; Frazer S. Crawford, Photolithographer [C 1093/1] • Archival map/chart
![Plan of Overland Telegraph from Port Darwin to Port Augusta [cartographic material] / compiled and drawn in the Office of the Post Master General and Superintendent of Telegraphs by Alexander Ringwood ; Frazer S. Crawford, Photolithographer](https://d1red3q7jhuy4m.cloudfront.net/bd/0c/da8f-f877-55e0-816d-5746083f464b.jpg)