Photographed in the summer of 1928–29, this geological field camp is set among lava flows on the flanks of Mt Ruapehu. Geologist Les Grange sits in the entrance to the tent on the right hand side. From 1926 to 1929 Grange made a detailed survey of the volcanic region between Rotorua and Ohakune, and his maps are still a source of useful information.
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