Pennsylvania Geological Survey - Historical Photographs

Active Filters:
  • Subject = Nonmetallic Mineral Resources
  • Location Covered = Northampton

About This Collection

This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.

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Slate quarry, from signal house Albion Company
Slate quarry, lowering men
Slate quarry of Amalgamated Slate Quarries Company
Slate quarry of Amalgamated Slate Quarries Company
Slate quarry, showing depth
Slate quarry, surface works Albion Company
Slate saw, Albion Company
Slate waste
Slate waste at quarries
Slate waste dump compared with homes
Slate waste dumps
Slate wastepile and shanties
Splitting slate at Tinsman Quarry
Stacks of slate and splitting houses
Talc-serpentine quarry, C. K. Williams Company
Talc-serpentine quarry, C. K. Williams Company
Tinsman quarry
To show relation of soft slate zone to Blue Mountains
To show size of block hoisted
Underground quarrying of slate