Grant-Taylor, T.L. 1971 Report on the geological considerations affecting the Ngauranga-Maungaraki motorway. Lower Hutt: New Zealand Geological Survey. New Zealand Geological Survey report EG 121 10 p.
Abstract: This report is written at the request of the District Commissioner of Works. It is a preliminary assessment of the information either at hand or that was readily obtainable in so far as it would affect the design, the siting of the motorway, or the nature of early investigation work that would have to be carried out. The report was delayed in order to incorporate the results of the marine seismic survey carried out by Geophysical Survey, Geophysics Division of DSIR. (auth)