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The R502 series of maps has been replaced by the National Topographic Map Series (NTMS). The R502 series consists of 542 map sheets and covers Australia at a scale of 1:250,000. It was compiled from aerial photography, but only about one quarter of the series was contoured. The standard sheet size is 1 degree of latitude by 1.5 degrees of longitude. Transverse Mercator map projection and Clark 1858 datum were used. Coverage of the country was completed in 1968.
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No abstract available
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The Carnarvon shelf at Point Cloates, Western Australia, is characterised by a series of prominent ridges and hundreds of mounds that provide hardground habitat for coral and sponge gardens. The largest ridge is 20 m high, extends 15 km alongshore in 60 m water depth and is interpreted as a drowned fringing reef. To landward, smaller ridges up to 1.5 km long and 16 m high are aligned to the north-northeast and are interpreted as relict aeolian dunes. Mounds are less than 5 m high and may also have a sub-aerial origin. In contrast, the surrounding seafloor is sandy with relatively low densities of epibenthic organisms. The dune ridges are estimated to be Late Pleistocene in age and their preservation is attributed to cementation of calcareous sands to form aeolianite, prior to the postglacial marine transgression. On the outer shelf, sponges grow on isolated low profile ridges at ~85 m and 105 m depth and are also interpreted as partially preserved relict shorelines.
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22-1/G53-9/4 Vertical scale: 1500
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22-3/J55-02/1-1/1 Contour interval: 1
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22-1/G56-5/1 Contour interval: 10
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Double-sided A3 map showing Australia's major petroleum resources and pipelines (one side) and current onshore and offshore petroleum exploration licences plus the location of the proposed offshore 2012 acreage release areas (flip-side). This map is mainly used as a promotional tool for the international NAPE exhibition.
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This map shows the boundary of the security regulated port for the purpose of the Maritime Transport & Office Security Act 2003. 4 sheets (Colour) April 2009 Not for sale or public distribution Contact Manager LOSAMBA project
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No abstract available
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No abstract available