Subject ASC0002cd5
The Quarterly journal of the Geological Society of London.
v.1 (1845), Page 314 (1845)
Smithsonian Libraries
BHL Page 37078415
Keywords
Land: layers geology ferruginous sand gravel clay chalk flint Gallows Hill Burnham Market England cave stalactite's stalagmites height stratigraphy burnham market Sand Gravel Clay Flint Chalk Porphyry Ferruginous Ground Profile