The sand and gravel resources of the country around Hemel Hempstead, St. Albans and Watford, Hertfordshire
Subtitle: description of 1:25 000 sheets TL 00, TL 10 and parts of TQ 09 and TQ 19
By: W.J.R. Harries, S.E. Hollyer and P.M. Hopson.
Contributors: Hollyer, S.E.; Hopson, P. M.
Series: Mineral assessment report -- 71
Publisher: H.M.S.O.
Published: 1982
Place of publication: London
Language: eng
Notes: Folded col. map in pocket.