NZ Geomechanics News NZ Geomechanics News NZGS Published 06/01/1971 Downloads 02_Jun1971_NZGeoNews-1-3.pdf Published 06/01/1971 Collection NZ Geomechanics News Compilation NZ Geomechanics News>Issue 2 - June 1971 Issue 2 Location New Zealand Type Magazine (full) ISSN 0111-6851