Subject ASC0003sy1
The geological magazine, or, Monthly journal of geology.
Decade 2:v.9 (1882), Page 153 (1882)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32520682
Keywords
rocks geology columbrium grit quary shales geology of anglesey section quarry Nebo Anglesey Callaway Cabrian shale Pre-Cambrian Roberts black slate sandstone conglomeratic dyke fault slate faults