At head of title: Institute of Geological Sciences, Natural Environment Research Council.
Folded Sheet (map) in pocket.
The sand and gravel resources of the country north-east of Halstead, Essex : description of 1:25000 resource sheet TL 83 by R. J. Marks. ISBN 0118841688. Published by H.M.S.O. in 1981. Publication and catalogue information, links to buy online and reader comments.