Subject ASC0003xuf
The geologist : a popular monthly magazine of geology.
v.2 (1859), Page 24 (1859)
American Museum of Natural History Library
BHL Page 47679411
Keywords
porphyritic dyke elvan-course watermill bay st. mary's scilly lemon yellow colour sea cliff granite incluine 45 strata landscape Porphyritic Dyke Elvan-course Watermill Bay St. Mary Scilly porphyry St. Mary's