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  • This map represents an interpretation of the geology, based on integration of airborne geophysical data, gravity data and previous geological mapping.

  • The Sydney Basin extends for 380 km along the east coast of New South Wales south of latitude 32°S, and has an onshore area of about 36 000 km2 . About 4800 m of Permian and Triassic sedimentary rocks are preserved in the basin which lies between the New England and Lachlan Fold Belts. The study of the Sydney Basin by the Sedimentary Basins Study Group of the Petroleum Exploration Branch of the Australian Bureau of Mineral Resources was undertaken in co-operation with the New South Wales Department of Mines, who prepared a 1:500 000 geological map (PI. 1). The study has required constant exchange of ideas and information with petroleum exploration companies and the Department of Mines. In addition to the authors of this Bulletin the following members of the Sedimentary Basins Study Group since late 1966 have contributed to the study: D. J. Forman, M. A. Reynolds, K. G. Smith, R. Bryan, A. R. Jensen, P. J. Alcock, P. J. Hawkins, R. B. P. Pitt, S. Ozimic, J. I. Raine, K. Rixon, and B. G. West.

  • <p><b>Please note: </b>This topographic map is not available from Geoscience Australia.<p>For availability, refer to NSW Government mapping agency.

  • 22-1/I55-10/4 Vertical scale: 100

  • AAM Hatch was engaged by Geoscience Australia to undertake a LiDAR survey over the BHMAR Phase 2 prject area, for the purpose of producing a DTM and vegetation structure analysis. The survey covers an area of approximately 7856 sqkm of the Lower Darling River, downstream from Wilcannia. LiDAR was acquired from a fixed wing aircraft between 19 June 2009 and 5 August 2009 with a vertical accuracy of 0.15m and horizontal accuracy of 0.25m in coordinated system GDA 94, MGA Zone 54 and vertical datum of AHD. File formats included las format and 1m DTM ESRI Grids in ArcGIS binary grid format. Producing a DTM and vegetation structure analysis for the BHMAR Phase 2 Project area for groundwater monitoring.

  • <p><b>Please note: </b>This topographic map is not available from Geoscience Australia.<p>For availability, refer to NSW Government mapping agency.

  • 22-1/H54-16/6 Vertical scale: 500