Geology of the country around Chelmsford memoir for 1:50,000 geological sheet 241 /
Bristow, C. R.(Clement Roger)
Lake, R. D.(Robert Denis),1944-
Natural Environment Research Council (Great Britain)
British Geological Survey.
[Swindon] Natural Environment Research Council London H.M.S.O.
1985
At head of title: British Geological Survey, England and Wales
At head of title: British Geological Survey
Bibliography: p95-98. - Includes index
Microfiche in pocket
Geology