Image
These men are taking a sampling from tilted trees near the Alpine Fault, to obtain evidence of changes in tree-ring growth. Small core samples are taken with an auger drill.
Using this item
Department of Geology, University of Otago
by Alan Cooper
This item has been provided for private study purposes (such as school projects, family and local history research) and any published reproduction (print or electronic) may infringe copyright law. It is the responsibility of the user of any material to obtain clearance from the copyright holder.