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

A corner in quarry to show structure

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-08-23

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

An alternative figure showing pinching out of beds

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

Apex of fold in Chickies quartzite

Subject	Structure
Creator	Johnson, Meredith E., 1897-
Date	1923-04-10

Apex of sharp fold in Chickies quartzite

Subject	Structure
Creator	Johnson, Meredith E., 1897-
Date	1923-04-10

Block of Hellam conglomerate

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-08-23

Blue Mountain Stone Company slate quarry

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

Blue Mountain Stone Company slate quarry

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

Bridge over Bonnet Run

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

Bridge over Conewago Creek near Mount Royal

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

Brownstone church, built 1811

Subject	Economic Uses
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-06-15

Calcite vein and low dipping fault

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

Cambrian quartzite in Grace Methodist Episcopal Church

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

Cambrian quartzite in Grace Methodist Episcopal Church

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

Change of dip in Triassic sediments

Subject	Stratigraphy
Creator	Bissell, Malcolm H.; Stose, George Willis, 1869-1960
Date	1928

Chickies Rock and Susquehanna River

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-06-12

City of York, east and northeast side

Subject	Cities, Towns, and Buildings
Creator	Geyer, Alan R.
Date	1969

Close up of decayed Triassic conglomerate quartz pebbles in soil and sand

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

Close up of fault shown in negative no. 1192

Subject	Structure-Faults
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-08-23

Conglomerate and trash running transverse to bedding

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

Conglomerate transverse to bedding

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

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

Cumberland Valley New Cumberland right-hand distance

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

Cumberland Valley New Cumberland right-hand distance

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

Decayed Triassic conglomerate quartz pebbles

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-07-30

Decayed Triassic conglomerate quartz pebbles in soil and sand

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

Details of weathered limestone quarry

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

Dinosaur imprint

Subject	Fossils
Creator	Hickok, W. O. (William Orville), 1905-
Date	1933-02-01

Dissected plateau in baked shales near trap dike

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1928-05-01

East of Newberry

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

End of quarry to right of negative no. 1183

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

Fault between Ledger dolomite and Harpers schist

Subject	Structure-Faults
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-08-23

Fault between Ledger dolomite and Harpers schist

Subject	Structure-Faults
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-08-23

Fault breccia contact between trap rock and Cambrian

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

Fault contact between Antietam sandstone (at the right) and Tomstowne limestone (at the lower left)

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

Fault face at "A"

Subject	Structure-Faults
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-08-23

Fault face at "A" (see negative no. 1191)

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

From Mount Royal looking toward Roundtop

Subject	Stratigraphy
Creator	Bissell, Malcolm H.; Stose, George Willis, 1869-1960
Date	1931-06-30

George R. Cope pointing to reptile tracks in Triassic rocks

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

Gettysburg shale

Subject	Stratigraphy
Creator	Hickok, W. O. (William Orville), 1905-
Date	1932-06-01

Gettysburg shale

Subject	Stratigraphy
Creator	Hickok, W. O. (William Orville), 1905-
Date	1932-06-01

Gorge of Susquehanna River above Holtwood Dam

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1927

Harrisburg Natural History Society outing

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

Holtwood Dam from York County

Subject	Surface Water
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-06-29

Irregular erosion of limestone surface

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

Islands in Susquehanna River

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-31

Islands in Susquehanna River looking downstream

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-31

Kinzers member of Tomstown limestone group of Cambrian age

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

Kopp No. 1 well

Subject	Oil and Gas
Creator	Johnson, Meredith E., 1897-
Date	1923-04-10