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

Albion Quarry

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

Albion Quarry

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

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

Anticline in Lerch Quarry

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-07-30

Artificial waterfall

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-04-01

Artificial waterfall

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-04-01

Artificial waterfall

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-04-01

Association of State Geologists Field Trip

Subject	Field Conferences and Other Meetings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date

Association of State Geologists Field Trip

Subject	Field Conferences and Other Meetings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date

Association of State Geologists Field Trip

Subject	Field Conferences and Other Meetings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date

Association of State Geologists Field Trip

Subject	Field Conferences and Other Meetings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date

Bethlehem Steel plant

Subject	Metallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-07-30

Blasted material near top of quarry

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

Campus at Lafayette

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1907

Campus at Lafayette College

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1907

Campus at Lafayette College

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1907

Campus at Lafayette College

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1907

Canal and outcrop of Conococheague limestone

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-07-31

Cement plant

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

Channeling machine, slate quarry

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

Characteristic cross-lamination of "hard slate"

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

Close folding of limestone and dolomite in quarries southeast of Northampton

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

Close folding of limestone and dolomite in quarries southeast of Northampton

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

Close folding of limestone and dolomite in quarries southeast of Northampton

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

Close up of fractured rock

Subject	Structure
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-01-13

Close up of slickensided face

Subject	Structure-Faults
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-01-13

Colonial Slate Company quarry

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1928-04-26

Colonial Slate Company, showing east wall of quarry

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

Colonial Slate Company's quarry

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

Contorted limestone

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

Crumpled limestone

Subject	Structure
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-07-30

Crumpled strata in limestone quarry

Subject	Structure
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-07-30

Cryptozoon in overturned strata

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-07-31

Cryptozoons below Freemansburg

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-07-31

Delaware River

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1907

Delaware River

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1907

Delaware River and Canal

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-04-28

Delaware River from Williams Talc Quarry

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-07-31

Delaware Water Gap

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-05

Delaware Water Gap

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-04-01

Delaware Water Gap and D.L. & W. Railway bridge

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-05

Delaware Water Gap, Mt. Bethel sand pits

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-05

Distant view of Wind Gap

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

Distant view of Wind Gap

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

Distorted strata, Cambria-Ordovician limestone

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

Ditch-digging machine

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

East face of Colonial Slate Company

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

Easton

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1907