Samoan rocks of J.A. Tompson, rough copy and draft of A collection of igneous rocks from Western Samoa. , n.d.

This collection contains field notebooks, papers and reports and photographs relating to the life and work of John Bartrum.

The field notebooks cover the period 1907 to 1940. Some of the notebooks are a combination of personal diary and field notebook, and describe Bartrum's participation in rugby matches and other social events in addition to details of his survey work.

The papers and reports in this collection are primarily typescripts and manuscripts. The majority of these are of Bartrum's own work but a number are by other geologists and have been annotated by Bartrum. Occasionally Bartrum's drafts have been written on recycled paper, including students essays.

Among the collection are a number of files which relate to the building of the Arapuni hydro-electric dam and powerhouse on the Waikato River during the 1920s, including reports by Bartrum on erosion in the area and a wooden paper knife presented to Batrum in recognition his work.