Sheet memoir 85 (1931). Geology of Manchester and the South-East Lancashire Coalfield. Tonks, L.H. et al. London: Geological Survey
Sheet memoir 85 (1931). Geology of Manchester and the South-East Lancashire Coalfield. Tonks, L.H. et al. London: Geological Survey of England and Wales (now BGS), 240 + xv pp. Hardback. Orange cloth covered boards with black lettering to spine and front cover. Spine sound, minor shelf wear, age-toned end papers and text, unmarked. In very good condition.
Still the current edition on-line in 2024 but out of print. Currently, a sheet explanation booklet published, usually supplied with map.
About the Coalfields Memoirs
These early 20th century reports on regional coalfields were published by the Geological Survey of England and Wales.
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.