SLATE


Slate Quarry No.1 - Pennsylvania

Slate Quarry No.2 - Pennsylvania



Slate Quarry No.3 - Pennsylvania

Slate Quarry No.4 - Pennsylvania


Slate Quarry No.5 - Pennsylvania

Slate Quarry No.6 - Pennsylvania



Slate Quarry No.7 - Pennsylvania

Slate Quarry No.8 - Pennsylvania


Slate Quarry No.9 - Pennsylvania