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  • A geological survey of HALLS CREEK, in the East Kimberley of Western Australia, was carried out from 1990 to 1994 as part of the Kimberley-Arunta National Geoscience Mapping Accord (NGMA) Project, undertaken jointly by the Australian Geological Survey Organisation (AGSO), the Geological Survey of Western Australia (GSWA) and the Northern Territory Geological Survey. The NGMA, endorsed by the Australian (now Australian and New Zealand) Minerals and Energy Council in August 1990, is a joint Commonwealth State Territory initiative to produce, using modem technology, a new generation of geological maps, data sets and other information on strategically important regions of Australia over a period of 20 years.

  • At this scale 1cm on the map represents 1km on the ground. Each map covers a minimum area of 0.5 degrees longitude by 0.5 degrees latitude or about 54 kilometres by 54 kilometres. The contour interval is 20 metres.

  • At this scale 1cm on the map represents 1km on the ground. Each map covers a minimum area of 0.5 degrees longitude by 0.5 degrees latitude or about 54 kilometres by 54 kilometres. The contour interval is 20 metres.

  • This dataset maps the geomorphic habitat environments (facies) for 63 Northern Territory coastal waterways. This version of the dataset includes 48 newly mapped estuaries, classified as 'Near pristine'. The classification system contains 12 easily identifiable and representative environments: Barrier/back-barrier, Bedrock, Central Basin, Channel, Flood- and Ebb-tide Delta, Fluvial (bay-head) Delta, Intertidal Flats, Mangrove, Rocky Reef, Saltmarsh/Saltflat, Tidal Sand Banks (and Unassigned). These types represent habitats found across all coastal systems in Australia. Estuaries on the northern Arnhem Land, Gulf of Carpentaria coasts are predominantly tide-dominated estuaries, which vary greatly in size and floodplain characteristics.

  • At this scale 1cm on the map represents 1km on the ground. Each map covers a minimum area of 0.5 degrees longitude by 0.5 degrees latitude or about 54 kilometres by 54 kilometres. The contour interval is 20 metres.

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