The Sand and Gravel Resources of the Country Around Hemel Hempstead, St.Albans and Watford, Hertfordshire (Mineral Assessment Reports)

by: W.J.R. Harris · Geological Sciences Inst.

Paperback

details (UK).

ISBN: 978-0-11-884171-9

ISBN-10: 0-11-884171-8

British Geological Survey · 1982