Sand and Gravel Resources of the Country Around Hexham, Northumberland: Description of 1:25000 Resource Sheet NY 86 and 96 (Mineral Assessment Reports)

by: J.H. Lovell · Geological Sciences Inst. Paperback details (UK). ISBN: 978-0-11-884152-8 ISBN-10: 0-11-884152-1 British Geological Survey · 1981