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Tags: Benchmarks Engineering

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2 datasets found

  • River Benchmarks

    Environment Canterbury
    Benchmark vertical datum is Lyttelton Vertical Datum 1937. The river benchmarks layer shows the location of survey benchmarks used by the Council to monitor riverbed elevation...
  • River Benchmarks

    Environment Canterbury
    Benchmark vertical datum is Lyttelton Vertical Datum 1937. The river benchmarks layer shows the location of survey benchmarks used by the Council to monitor riverbed elevation...
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