Hull, A.G. 1982 Trig site stability report, Westport - Christchurch. Lower Hutt: New Zealand Geological Survey. New Zealand Geological Survey report EDS 83 36 p.
Abstract: Twenty seven trig sites from Westport to Christchurch are subjectively assessed for their geological stability. Stability of the sites are assessed as very good, good, probably stable, potentially unstable and poor. Criteria for stability assessment are presented. Location, geological and topographical setting are described with recommendations for relocation and upgrading of groundmarks for some potentially unstable and all unstable sites (auth)
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