Hydrographer Occupation - Hydrographer Bradley, William Dawes, William Denham, Henry Mangles Gubbins, GW Hixson, Francis Hunter, John Hutchison, John Pullen, Thomas F Roe, John Septimus Wilds, Edward Position - Hydrographer of Australia-East coast. Port Jackson 1890 Gubbins, GW 1890 Pullen, Thomas F 1890 Position - Hydrographer of Survey of Port Jackson, New South Wales 1822 Roe, John Septimus 1822