The Coastal Marine Area (CMA) Boundary is the indicative line of Mean High Water Springs. It is the administrative boundary between terrestrial land (dry land) and the CMA (foreshore and seabed).
Digitized from NZ260 topographic maps, appropriate scale of use is 1:50,000
Updated in 2009 to reflect the agreed legal CMA boundary on rivers and streams.
Updated in 2010 to include Marsden Cove Marina.
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