31 December 2022
Arnold – the hardened steel cone cutter designed to isolate any debris in the borehole into a cone-shaped indentation on the top of the next ice core drilled.
Arnold – the hardened steel cone cutter designed to isolate any debris in the borehole into a cone-shaped indentation on the top of the next ice core drilled.

Read the field diary from 31. December 2022 here.

You can follow the progress of the drilling operation in this graph.