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

Skip to search Skip to main Skip to footer

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

Connoquenessing (?) sandstone quarry of Ellwood Stone Company

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-10-04

Conococheague Creek

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-06-01

Conococheague Creek

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-06-01

Conococheague Creek

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-06-01

Conococheague Creek at Scotland, Franklin County

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-06-07

Conococheague Creek, Scotland, Franklin County

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-06-01

Conococheague Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1956

Conococheague limestone, top view of cryptozoons

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1953

Conodoguinet Cave

Subject	Caves
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1930-05-30

Conodoguinet Creek

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

Construction at Three Mile Island atomic reactor

Subject	Cities, Towns, and Buildings
Creator	Geyer, Alan R.

Construction for new high-rise department store

Subject	Environmental Geology
Creator	Geyer, Alan R.
Date	1973-05-10

Construction of new Convention Center

Subject	Miscellaneous
Creator	Bolles, William H.
Date	1973-05-10

Consulting engineers at State Line Dam

Subject	Engineering Geology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-06-07

Consulting engineers at State Line Dam

Subject	Engineering Geology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-06-07

Contact

Subject	Stratigraphy
Creator	Moseley, John Reed

Contact between Myerstown and Annville limestone

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1956

Contact between Oriskany limestone and Onondaga shale

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-07-15

Contact between the Oswayo and Cattaraugus Formations

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

Contact between Triassic (left) and limestone (right)

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-10-03

Contact between Triassic left, and Paleozoic limestone on right

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

Contact between Tuscarora on right of center and Juniata left of center


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

Contact just above bag - Oswego and Martinsburg

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-07-29

Contact of Dm and Don

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1934-06-25

Contact of Don and Do

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1934-06-22

Contact of Don and Do, a disconformity at hammer

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1934-06-22

Contact of eroded upper surface of Mauch Chunk red beds

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1933-08-01

Contact of flaggy Chemung sandstone

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1931-05-01

Contact of Juniata with Tuscarora


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

Contact of Myerstown and Annville limestone

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1956

Contact of red Mauch Chunk shale and green sandy beds

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-08-10

Contact Silurian-Ordovician, Oswegon-Martinsburg

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-07-29

Contorted bedding in limestone quarry

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Contorted bedding in limestone quarry

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Contorted beds on Juniata Highway

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-10

Contorted beds on Juniata Highway

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-10

Contorted beds on Juniata Highway

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-10

Contorted beds on Juniata Highway

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-10

Contorted beds on Juniata Highway

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-10

Contorted beds on Juniata Highway

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-10

Contorted beds on Juniata Highway

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-10

Contorted beds on Juniata Highway

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-10

Contorted limestone

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

Contorted shale beneath massive sandstone

Subject	Structure
Creator	Johnson, Meredith E., 1897-
Date	1921-11-22

Cooling tower at Three Mile Island atomic reactor plant

Subject	Cities, Towns, and Buildings
Creator	Geyer, Alan R.

Copper nugget

Subject	Metallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1930-06-05

Copper nuggets from rhyolite quarry

Subject	Metallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1930-06-05

Copper nuggets from rhyolite quarry

Subject	Metallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1930-06-05

Coquinite bed in upper part of Onondaga Limestone

Subject	Sedimentation
Creator	Inners, Jon D.
Date	1972-10

Corey & Hay bluestone quarry

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-06-06