The Geology of the District around Corris and Aberllefenni (Merionethshire)
- 1 April 1923
- journal article
- Published by Geological Society of London in Quarterly Journal of the Geological Society
- Vol. 79 (1-4), 508-545
- https://doi.org/10.1144/gsl.jgs.1923.079.01-04.24