Whangarei District Mine Zones

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Creative Commons Attribution-No Derivative Works 3.0

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1287
18
Updated
17 Oct 2011

There were old coal mines around the Kamo and Hikurangi areas many years ago. Since then, the areas have been developed into residential living. This engineering study by Tonkin&Taylor Consultants reviewed the old drawings and documentation to try to identify areas of potential surface subsidence.

Layer ID 1182
Data type Vector polygon
Feature count 17
Services Vector Query API

Whangarei Instability Areas

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Creative Commons Attribution-No Derivative Works 3.0

You may use this work for commercial purposes.

You must attribute the creator in your own works.

You must not release derivatives of this work.

194
26
Updated
17 Oct 2011

The instability data has been collected over many years from actual evidence of slips,terracettes,slumps, etc and from anedotal reports.
Recently , Tonkin &Taylor have been used as consultants to review, analyze and report on the existing and adjacent areas.
The GIS layers were based on aerial photography analysis and field work but may have generalizations in some areas. This does not replace onsite field work, investigation and best engineering practice for specific projects.

Layer ID 1183
Data type Vector multipolygon
Feature count 3889
Services Vector Query API