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

Albion Quarry looking northwest

Subject	Igneous and Metamorphic
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-07-19

Albion Quarry looking westward

Subject	Igneous and Metamorphic
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-07-19

Albion Quarry (note bedding)

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-08-01

Alexander Caverns

Subject	Caves
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1931-05-20

Alex Fire Clay Quarry

Subject	Nonmetallic Mineral Resources
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date	1936-08

Allegheny (?) Formation sandstone

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-08-05

Allegheny Front

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-08-21

Allegheny Front, from Penn Highway

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-27

Allegheny Mountain

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-09-30

Allegheny Mountain

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-11-02

Allegheny Mountain and Deeters Gap

Subject	Geomorphology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-11-02

Allegheny River

Subject	Rivers and Streams
Creator	Hughes, H. Herbert (Harry Herbert), 1905-
Date	1927-07-01

Allegheny River

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

Allegheny River

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-08-27

Allegheny River

Subject	Rivers and Streams
Creator	Hughes, H. Herbert (Harry Herbert), 1905-
Date	1927-07-01

Allegheny River

Subject	Topography
Creator	Johnson, Meredith E., 1897-
Date	1923-04-29

Allegheny River and silica sand quarry

Subject	Surface Water
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-10-04

Allegheny River Gorge

Subject	Surface Water
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-10-04

All that is left of many McKeesport "boom" wells

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

Aloe Coal Company strip pit

Subject	Stratigraphy
Creator	Chubb, Leslie
Date	1972-10-02

Aloe Coal Company strip pit

Subject	Stratigraphy
Creator	Chubb, Leslie
Date	1972-10-02

Along creek west of Gapville

Subject	Surface Water
Creator	Willard, Bradford, 1894-
Date	1934-07-01

Along Freeport-Leechburg Road

Subject	Topography
Creator	Hughes, H. Herbert (Harry Herbert), 1905-
Date	1927-09-01

Along Interstate 80 on the Appalachian Plateau

Subject	Topography
Creator	Geyer, Alan R.
Date	1971

Along Leechburg-Freeport Road

Subject	Topography
Creator	Hughes, H. Herbert (Harry Herbert), 1905-
Date	1927-09-01

Along Route 322 boulder field

Subject	Igneous Rocks
Creator	Geyer, Alan R.
Date	1960

Alpha Chi Sigma House

Subject	Cities, Towns, and Buildings
Creator	Hughes, H. Herbert (Harry Herbert), 1905-
Date	1928-06-11

Alpha Gamma Rho House, Ordovician limestone

Subject	Cities, Towns, and Buildings
Creator	Hughes, H. Herbert (Harry Herbert), 1905-
Date

"Alpha Pass" waterfall into gorge

Subject	State Parks
Creator	Bushnell, Kent O.
Date	1974-07

Alternative figure showing pinching out of beds along dip, also variation in dip

Subject	Stratigraphy
Creator	Bissell, Malcolm H.; Stose, George Willis, 1869-1960
Date

Ambler (Triassic) sandstone

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-09-22

American Lime and Stone Company

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1923-07-11

American Petroleum Institute members surrounding recording wagon

Subject	Field Conferences and Other Meetings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date

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

A model coal mining town

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-11-04

An abandoned lumber camp

Subject	Geomorphology
Creator	Johnson, Meredith E., 1897-
Date	1926-07-22

An abandoned quarry in folded Helderberg limestone

Subject	Structure-Folds
Creator	Willard, Bradford, 1894-
Date	1934-09-26

An alternative figure showing pinching out of beds

Subject	Stratigraphy
Creator	Bissell, Malcolm H.; Stose, George Willis, 1869-1960
Date

Ancient limestone kiln

Subject	Nonmetallic Mineral Resources
Creator	Willard, Bradford, 1894-
Date	1934-07

Ancient Pennsylvania Gravity Railroad passenger coach

Subject	Miscellaneous
Creator	Willard, Bradford, 1894-
Date	1930-08-01

Annville, Lebanon County

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

Annville limestone

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1952

Annville limestone

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1952

Annville limestone

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1952

Annville limestone outcrop, East Quarry

Subject	Nonmetallic Mineral Resources
Creator	Geyer, Alan R.
Date	1953

Annville limestone quarry, Bethlehem Steel Corporation

Subject	Nonmetallic Mineral Resources
Creator	Geyer, Alan R.
Date	1962