Geikie, J.; Peach, B. N.; Geikie, A.; Etheridge, R. Jr. (1879). Explanation of sheet 31: Stirling (southern part), Lanarkshire (northern part), Linlithgowshire (western borders). Memoirs of the Geological Survey, Scotland, Edinburgh, 87 pp.
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Geikie, J.; Peach, B. N.; Geikie, A.; Etheridge, R. Jr.