The sand and gravel resources of the country around Layer Breton and Tolleshunt D'Arcy, Essex : description of 1:25 000 resource sheet TL 91 and part of TL 90

Ambrose, J.D.

NORA

The sand and gravel resources of the country around Layer Breton and Tolleshunt D'Arcy, Essex : description of 1:25 000 resource sheet TL 91 and part of TL 90

Ambrose, J.D.. 1973 The sand and gravel resources of the country around Layer Breton and Tolleshunt D'Arcy, Essex : description of 1:25 000 resource sheet TL 91 and part of TL 90. London, UK, British Geological Survey, 42pp. (Assessment of British Sand and Gravel Resources No. 7, Report 73/8) (Unpublished)