Hegan, B.D. 1972 Kaimai railway deviation, Kaimai tunnel, eastern side geological investigations. Lower Hutt: New Zealand Geological Survey. New Zealand Geological Survey report EG 129 3 p.
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Hegan, B.D. 1972 Kaimai railway deviation, Kaimai tunnel, eastern side geological investigations. Lower Hutt: New Zealand Geological Survey. New Zealand Geological Survey report EG 129 3 p.