Note CT — Front matter (continued 7)
Reading edition
Proc. Roy. Soc. Edin. 1883-84, p. 745; Mem. Geol. Survey, Scotland, Explanation of Sheet 31.
Reading edition
Proc. Roy. Soc. Edin. 1883-84, p. 745; Mem. Geol. Survey, Scotland, Explanation of Sheet 31.