CREG Newsletter 2
published in Winter 1988.

SMAPS Survey Software
Phil Ingham and Rob Hammond review SMAPS (Survey Manipulation Analysis and Plotting System).

Scientific Cave Location
Earth resistance methods of cave detection are outlined by Phil Ingham.

Ferrite Ring Cores
Information on the Siemens range of ferrite ring cores.

Sonic Tape Measures Tested
Phil Ingham describes underground tests on three types of sonic tape measures.

Cave Air Flow Detection
Graeme Pattison gives details of his experiments on measuring air flow in caves.