Pennsylvania Geological Survey - Historical Photographs - Browse all items - Pennsylvania Photos and Documents

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Pennsylvania Geological Survey - Historical Photographs - Browse all items - Pennsylvania Photos and Documents

Wissahickon gneiss, Chestnut Hill Contracting and Graystone Quarry Company

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-07-27

Wissahickon gneiss curbing

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-07-20

Wissahickon gneiss, Fowler quarry

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-07-22

Wissahickon gneiss, Hayden quarry

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-07-26

Wissahickon gneiss, Holmesburg Concrete Company

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-07-20

Wissahickon gneiss, Holmesburg Concrete Company

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-07-20

Wissahickon gneiss, Marcolina Brothers quarry

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-07-27

W.P.A. Quarry in light green serpentine

Subject	Nonmetallic Mineral Resources
Creator	Foose, Richard Martin, 1915-
Date	1941-11-05

Wrinkled slate in quarry at Berlinsville

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-10-15

W. W. Gulich molding sand pit

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1924-08-08

W. W. Gulich molding sand pit on Evans farm

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1924-08-08

Zinc refining plant at Palmerton

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1932-04-08

Zinc refining plant at Palmerton

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1932-04-08