On the Silurian Rocks of Dumfriesshire and Kirkcudbrightshire
- 1 February 1851
- journal article
- Published by Geological Society of London in Quarterly Journal of the Geological Society
- Vol. 7 (1-2) , 46-58
- https://doi.org/10.1144/gsl.jgs.1851.007.01-02.15