Extremely Severe in the Avon Gorge

Description

Published by N. Crowhurst (University of Bristol M.C.?), 1967, 1st Edition, a 30 pp pamphlet with card covers, some marks on covers, V.G.   The guidebook in which Ed Ward-Drummond (1945-2019) proposed his radical new 5 category grading system for the Avon Gorge, which left many somewhat confused and was not adopted for future guidebooks!