Explanation of Quarter Sheet 91 S. W. of the One-inch Geological Survey map of England and Wales, Illustrating the Geology of the Country Around BlackCharles Eugene De RanceÉpuisé4,3Prévenez-moi
On the Relative Age of Some Valleys in the North and South of EnglandCharles Eugene De RanceÉpuisé4,3Prévenez-moi
