The sand and gravel resources of the country around Hemel Hempstead, St Albans and Watford, Hertfordshire : description of 1:25,000 sheets TL 00, TL 10 and parts of TQ 09 and TQ 19

Harries, W.J.R.; Hollyer, S.E.; Hopson, P.M.

NORA

The sand and gravel resources of the country around Hemel Hempstead, St Albans and Watford, Hertfordshire : description of 1:25,000 sheets TL 00, TL 10 and parts of TQ 09 and TQ 19

Harries, W.J.R.; Hollyer, S.E.; Hopson, P.M.. 1982 The sand and gravel resources of the country around Hemel Hempstead, St Albans and Watford, Hertfordshire : description of 1:25,000 sheets TL 00, TL 10 and parts of TQ 09 and TQ 19. London, UK, British Geological Survey, 93pp. (Mineral Assessment Report 71) (Unpublished)