Subject ASC0003tc3
The geological magazine, or, Monthly journal of geology.
Decade 3:v. 4 (1887), Page 15 (1864)
Smithsonian Libraries
BHL Page 30751416
Keywords
middle culm culm morchard bishop iddesleigh meeth petrockstow rock formation outcrop rock Middle Culm Measures Zeal Monachorum Mochard Bishop Iddesleigh Meeth and Petrockstow