Subject ASC00004t1
Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.
v. 19 (1883), Page 81 (1883)
MBLWHOI Library
BHL Page 1954997
Keywords
geological section Clegyn Valley St. David's Promontory Hicks Pre-cambrian rocks Trefgarn Pembrokeshire fault pre-cambrian Porth Nobla Aberffraw Callaway pre Cambrian rocks geology cross-section strata section geography St. David's promontory