Subject ASC0003sws
The geological magazine, or, Monthly journal of geology.
Decade 2:v.8 (1881), Page 351 (1881)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32519616
Keywords
Diagram Central Anglesey Limestone Quartz Rock fault gneiss schist Geology Archaean rocks Malverns Anglesey gneissic