Subject ASC0001gzk
The Quarterly journal of the Geological Society of London.
v.60 (1904), Page 31 (1904)
Smithsonian Libraries
BHL Page 35259435
Keywords
quarry Gibraltar rocks section cave Monkey Quarry Gibraltrar geology cross section of cave floor Cave Floor Monkey's Quarry Gibralter cross section floor soil Monkey's Quarry Stalagmite Sand Rubble Rock Grit Echinid barnacle