First published 1989, as Division of Land and Soil Sciences Scientific Report 1 (ISSN 0112-7381), by Division of Land and Soil Sciences, Department of Scientific and Industrial Research, New Zealand.
Reissued 1994 without amendment, and published by Manaaki Whenua Press, Landcare Research New Zealand Ltd, P.O. 40, Lincoln 8152, New Zealand.
Incorporated (with minor revisions) as Appendix 11 in Milne et al. Soil Description Handbook 1991, and 1995.
Reissued with further minor revisions 2015 by Manaaki Whenua Press, Landcare Research New Zealand Ltd., PO Box 69040, Lincoln, Canterbury 7640, New Zealand.