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

Steel mill along Monongahela River

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Steel mill along Monongahela River

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Steel mill along Monongahela River

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Steel plant along Monongahela River

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Steel plant along Monongahela River

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Steel plant on east bank of Monongahela River

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Steel plant on east bank of the Monongahela River

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Steel plant on east bank of the Monongahela River

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Steel plant on east bank of the Monongahela River

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Steel rig, McKeesport gas pool

Subject	Oil and Gas
Creator	Robinson, J. French, 1890-
Date	1920

Steel rig, McKeesport gas pool

Subject	Oil and Gas
Creator	Robinson, J. French, 1890-
Date	1920

Street in Pittsburgh

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Stripping Pittsburgh coal

Subject	Nonmetallic Mineral Resources
Creator	Johnson, Meredith E., 1897-
Date	1925-05-30

Terrace between Aspinwall and Squaw Run

Subject	Geomorphology
Creator	Johnson, Meredith E., 1897-
Date	1926-05-20

Terrace between Aspinwall and Squaw Run

Subject	Geomorphology
Creator	Johnson, Meredith E., 1897-
Date	1926-05-20

Terrace debris from top of hill

Subject	Environmental Geology
Creator	Hughes, H. Herbert (Harry Herbert), 1905-
Date	1927-10-01

Terrace deposits along the upper Youghiogheny River

Subject	Topography
Creator	Johnson, Meredith E., 1897-
Date	1921-09-01

Terrace deposits view across Christy Park

Subject	Topography
Creator	Johnson, Meredith E., 1897-
Date	1921-09-01

Terrace formation

Subject	Stratigraphy
Creator	Hughes, H. Herbert (Harry Herbert), 1905-
Date	1927-10-01

The big well, Foster's Hamilton no. 3

Subject	Oil and Gas
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1919-11-15

The Island Petroleum Company Refinery

Subject	Oil and Gas
Creator	Johnson, Meredith E., 1897-
Date	1925-06-09

The J. Hall Quarry

Subject	Nonmetallic Mineral Resources
Creator	Johnson, Meredith E., 1897-
Date	1922-10-15

To show irregular character of Saltsburg sandstone (note lensing)

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1925-06-04

Transporting molten metal in crucibles

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Transporting molten metal in crucibles

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Twisted and squeezed Birmingham shale

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1925-05-16

Type of good road common in this district

Subject	Topography
Creator	Johnson, Meredith E., 1897-
Date	1922-09-01

Typical appearance of partially weathered Pine Creek limestone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1924-08-30

Unloading boom and coal storage

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Unloading boom and coal storage

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Unloading boom and coal storage

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Unloading boom and coal storage

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Unloading boom for coal

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Unloading boom for coal

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Unloading coal barges on Monongahela River

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Unloading coal barges on Monongahela River

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Unloading station for sand barges

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Unloading station for sand barges

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Upper Conemaugh Formation

Subject	Stratigraphy
Creator	Craft, Jesse L.

Valley of Monongahela

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-07-01

Valley of Squaw Run

Subject	Topography
Creator	Johnson, Meredith E., 1897-
Date	1926-05-20

Van Ormer Brick Company quarry

Subject	Nonmetallic Mineral Resources
Creator	Johnson, Meredith E., 1897-
Date	1922-08-15

Van Ormer quarry

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1922-08-15

View across Monongahela Channel of early glacial age

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date

View across Monongahela Channel of early glacial age

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date

View across Monongahela River

Subject	Topography
Creator	Johnson, Meredith E., 1897-
Date	1921-08-01

View across Monongahela River

Subject	Topography
Creator	Johnson, Meredith E., 1897-
Date	1921-08-01

View across Monongahela River at Lock No. 1

Subject	Nonmetallic Mineral Resources
Creator	Johnson, Meredith E., 1897-
Date	1926-05-21

View across Monongahela River channel, showing skyline

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date

View across Monongahela River channel, showing skyline

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date