Adrian Workman contributed these photos from Southern Africa from the early 1960s. Click on the photos for a larger image.
Bob Purcell sent this wonderful description of his experience on a survey job in Saudi Arabia, moving equipment from Jeddah to Riyadh over Christmas.
Derek Minter contributed these photos taken during the Nigerian geophysical survey 1974/75, when the crews were based in Enugu, and the job specs and briefing notes. The photos feature Nigel Ridley-Thomas (glasses), Alex Copeland and an unknown Nigerian carrying a cast iron bath.