Subject ASC0000gw5
Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology.
v. 3 (1830), Page 65 (1830)
Natural History Museum Library, London
BHL Page 32949991
Keywords
cornwall primary rock primitive rock geology elevation section Tamar Dartmoor rocks Cornwall #geology Landscape Geology rock granite Killas Greenstone transition limestone Vale of Tamar