Sheet Memoir 68. Clitheroe and Nelson, Earp, JR et al. 1961, 1st edition.
Clitheroe and Nelson, Earp, JR et al. 1961, 1st edition. 346 pp, hardback buff cloth covered boards, in very good condition. Current edition, from BGS at £20. (covers Sheet 68 New Series)
About the England & Wales Sheet Memoirs
These 20th century reports, specific to the one inch geological map for the area, were published by the Geological Survey of England and Wales.