Radiolocation in G.B. Cave, Charterhouse-on-Mendip, Somerset (UBSS Proceedings v.16(1))
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Freiderich,H., Prewer,B., and Smart,P.L., 1981. Radiolocation in G.B. Cave, Charterhouse-on-Mendip, Somerset.
UBSS Proceedings, 16(1) , pp 59-61 Download PDF.
Abstract: The position of four underground points in G.B. Cave, Charterhouse-on-Mendip, Somerset (ST 476 562), in relation to the surface was checked by radiolocation. The horizontal differences, as well as differences in depth between the points marked on the survey and those determined by radiolocation, were less than 5 metres.