Underground water potential in Auckland and Northland

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Petty, D.R. 1974 Underground water potential in Auckland and Northland. Lower Hutt: New Zealand Geological Survey. New Zealand Geological Survey report M 53. 48 p.

Abstract: This report is a compilation of unpublished data held at the Auckland District office of the New Zealand Geological Survey, on underground water supplies within the area north of Auckland. Information is presented in two sections. The first deals with very general characteristics of water potential within the main rock types, while the second gives detailed summaries of selected drillholes. Only information available up to April 1973 has been used.