This item consists of typewritten notes in a cardboard binder, entitled ‘Notes to Accompany "Interim Report on the Geology of the Chatham Islands" (JE Johnson 1970/14) for Tasman Petroleum Ltd’. This item appears to be notes compiled by Johnson while he worked for Geosurveys of Australia Pty Ltd to accompany a report they prepared for Tasman Petroleum Ltd. January 1971. 16 pages.