Sheet Memoir 121. Wrexham; pt 2, Coal Measures and Newer Formations, by Wedd. CB. et al.
Wrexham; pt 2, Coal Measures and Newer Formations, by Wedd. CB. et al. 1928, 1st edition. 254pp, hardback in buff cloth covered boards. Slight shelf wear. Still the current edition available as POD from BGS. In very good condition. (covers Sheet 121 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.