[92] Sydney B. J. Skertchly, F.G.S., joint author of a valuable work, entitled “The Fenland, Past and present.”

[93a] Geological Survey, p. 79.

[93b] At Bardney, Baumber, Horncastle, West Ashby, and Fulletby, &c. Geological Survey, 79–81.

[93c] These beds of inflammable shale are also found on the coast of Dorset, and are worked by levels driven into the cliff. This clay indeed receives its name Kimeridge, from a Dorset village, on the coast, near Corfe Castle and Poole.

[94a] Mr. Jeans, in “Murrey’s Handbook of Lincolnshire,” [p. 6] puts the total thickness of the various cretaceous formations at “about 1,000ft.”

[94b] Geological Survey, pp. 207–209.

[95a] Ibedem.

[95b] Quarterly Journal, Geol. Soc., vol. xxxi., p. 125.

[95c] Geological Survey, pp. 202–206.

[95d] Geological Survey, pp. 203–206.