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

770 foot terrace of Allegheny River gravel

Subject	Geomorphology
Creator	Johnson, Meredith E., 1897-
Date	1926-05-21

Across early Monongahela Channel of early glacial age

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

Across early Monongahela Channel of early glacial age

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

Across early Monongahela Channel of early glacial age

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

Across early Monongahela Channel of early glacial age

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

Allegheny River

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

All that is left of many McKeesport "boom" wells

Subject	Nonmetallic Mineral Resources
Creator	Johnson, Meredith E., 1897-
Date	1925-05-16

Ames limestone

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

Ames limestone

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

Ames limestone along Guyasuta Run

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1925-06-03

Ames limestone and 12-inch Harlem coal

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

Ames limestone horizon

Subject	Stratigraphy
Creator	Robinson, J. French, 1890-
Date	1920

Approaching Lock No. 2 on Monongahela River above Pittsburgh

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date

Base of Morgantown sandstone

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

Base of Morgantown sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1922-10-15

Bastard coal and rooster coal

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1925-05-30

Beginning excavation for University of Pittsburgh Memorial Building, Pittsburgh

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

Beginning excavation for University of Pittsburgh Memorial Building, Pittsburgh

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

Bell plane tabling

Subject	Survey Staff
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-08-18

Bend in Turtle Creek - Pennsylvania Railroad yards

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

Birmingham shale

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

Birmingham shale (top). At 25 feet below, Ames limestone.

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

Bluff of Monongahela River showing discordant stratification

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date

Bolder lying on shale (elevation 800)

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1926-05-21

Brush Creek limestone exposed at quarry near Wittmer

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

Bucket dredge unloading coal

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

Bucyrus shovel used in stripping operation

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

Buffalo sandstone

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

Burning slack pile

Subject	Nonmetallic Mineral Resources
Creator	Johnson, Meredith E., 1897-
Date	1925-06-05

Carmichaels debris at Natrona

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

Clarksburg limestone and clay along Noblestown Road

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1925-06-05

Cliff section, Natrona

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

Cliff section, Natrona

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

Close-up of excavation

Subject	Stratigraphy
Creator	Craft, Jesse L.

Close up of quarry of J. B. Coen Brick and Tile Works

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

Conemaugh rocks (Morgantown? sandstone?)

Subject	Stratigraphy

Connellsville sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1922-10-15

Connellsville sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1922-10-15

Cross-bedded Browntown sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1921

Cross-bedding in Birmingham shale and sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1926-05-24

Cut near lower end of Squaw Run Road

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

Dark, fissile shale above Brush Creek limestone

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

Day No. 1 Well, Snake Hollow

Subject	Oil and Gas
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1919-12-15

Derrick of Weatherspoon well in foreground

Subject	Oil and Gas
Creator	Johnson, Meredith E., 1897-
Date	1921-08-01

Discarded blocks of Pine Creek limestone

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

Distant view of gravel dredge in Allegheny River

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

Distorted beds in middle Conemaugh

Subject	Stratigraphy
Creator	Shaffner, Marchant N. (Marchant Nissley), 1897-1990
Date	1934-05-25

Edgar Thompson Works, Carnegie Steel Company

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

Extreme case of cross-bedding

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1926-06-24

Faulting in Birmingham shale and sandstone

Subject	Structure-Faults
Creator	Johnson, Meredith E., 1897-
Date	1926-05-26