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Trigonometrical survey of Port Jackson: commenced as a military survey by order of General Darling and continued as civil duties permitted or required, by Lt Col Sir TL Mitchell Kt DCL Surveyor General of New South Wales
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From the collections of the
(engraved by JW Lowry. [London] : T. & W. Boone, New Bond Street, 1853 Insets: General view of Port Jackson taken with Theodolite from Station A in the Year 1829. View of the entrance to Port Jackson taken with Theodolite from Station B in the Year 1853.) (Dixson Map Collection)