Subject ASC0003u73
The geological magazine, or, Monthly journal of geology.
n.s. decade 4, v. 7 (1900), Page 210 (1900)
Smithsonian Libraries
BHL Page 30762373
Keywords
Geological map of the vallley of the BALA fault bear the watershed slates above the volcanic series Volcanic series Slates below the volcanic series intrusive rocks faults geological valley bala fault watershed drift alluvium slate volcanic volcano rocks stone driftway quarry map bala fault river system philip lake bala lake