Geological sketch map of New Zealand constructed from official surveys and the explorations of Dr F. von Hochstetter, Dr Julius Haast and others [cartographic material] by James Hector M.D.F.R.S., Director of Geological Surveys to the Government of New Zealand ; drawn by A. Koch ; lithographed & printed in colours under the supervision of E. G. Ravenstein F.R.G.S. London .

Map, with notes, showing the geology of New Zealand which has been divided into seven numbered sections. Relief shown by hachures.; Plate from: Geological and topographical atlas of New Zealand / by Ferdinand von Hochstetter and A. Petermann. Auckland : T. Delattre, 1864.; Also available in an electronic version via the Internet at: http://nla.gov.au/nla.map-nk3720-7; Library copy housed with Geological and topographical atlas of New Zealand by Dr. Ferdinand von Hochstetter and Dr. A. Petermann