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

DeHaven coal stripping

Subject	Mineral Resources-Coal
Creator	Graeber, Charles Karsner, 1896-
Date	1934-07-14

Delaware Division of the Pennsylvania Canal

Subject	Surface Water
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1932-05-28

Delaware River

Subject	Surface Water
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-08-11

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

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 and Canal looking southeast from Monroe

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

Delaware River bluff and Milford Knob

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-09

Delaware River bluff (Chemung Hamilton shales)

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-09

Delaware River bluff, State highway near Dingmans Ferry

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

Delaware River from Hawk's Nest

Subject	Rivers and Streams
Creator	Willard, Bradford, 1894-
Date	1931

Delaware River from Williams Talc Quarry

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

Delaware River looking north near Riegelsville

Subject	Surface Water
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1932-05-28

Delaware River, looking southeast from Lackawaxen

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-10

Delaware Water Gap

Subject	Structure
Creator	Geyer, Alan R.

Delaware Water Gap

Subject	Surface Water
Creator	Willard, Bradford, 1894-
Date	1931-10-01

Delaware Water Gap

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-07-18

Delaware Water Gap

Subject	Surface Water
Creator	Willard, Bradford, 1894-
Date	1931-10-01

Delaware Water Gap

Subject	Interstate Highway
Creator	Geyer, Alan R.

Delaware Water Gap

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

Delaware Water Gap

Subject	Interstate Highway
Creator	Geyer, Alan R.

Delaware Water Gap

Subject	Interstate Highway
Creator	Geyer, Alan R.

Delaware Water Gap

Subject	Interstate Highway
Creator	Geyer, Alan R.

Delaware Water Gap

Subject	Surface Water
Creator	Willard, Bradford, 1894-
Date	1931-10-01

Delaware Water Gap

Subject	Interstate Highway
Creator	Geyer, Alan R.

Delaware Water Gap

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

Delaware Water Gap

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-07-17

Delaware Water Gap

Subject	Interstate Highway
Creator	Geyer, Alan R.

Delaware Water Gap

Subject	Surface Water
Creator	Willard, Bradford, 1894-
Date	1931-10-01

Delaware Water Gap

Subject	Surface Water
Creator	Willard, Bradford, 1894-
Date	1931-10-01

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 from Godfrey's Ridge

Subject	Geomorphology
Creator	Willard, Bradford, 1894-
Date	1931-10-01

Delaware Water Gap, Mt. Bethel sand pits

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

Delaware Water Gap, New Jersey side

Subject	Geomorphology
Creator	Bolles, William H.
Date	1970-04

Delaware Water Gap, New Jersey side

Subject	Geomorphology
Creator	Bolles, William H.
Date	1970-04-07

Derrick of Weatherspoon well in foreground

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

Derrick over deep well

Subject	Oil and Gas
Creator	Johnson, Meredith E., 1897-
Date	1922-06-29

Derrick over deep well drilling

Subject	Oil and Gas
Creator	Johnson, Meredith E., 1897-
Date	1922-06-28

Derrick used in testing out Eggleston Smith's tools

Subject	Oil and Gas
Creator	Johnson, Meredith E., 1897-
Date	1924-08-29

Derrytown Mall shopping center

Subject	Environmental Geology
Creator	Geyer, Alan R.
Date	197?

Derry Township sanitary landfill

Subject	Environmental Geology
Creator	Bolles, William H.
Date	1970

Detached boulder of Homewood (?) sandstone


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

Detail of anticlinal nose in Setters Formation

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1922-06-03

Detail of cliff

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

Detail of cliff

Subject	Glacial Geology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-07-31

Detail of glacial gravel

Subject	Glacial Geology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1922-10-11

Detail of glacial hill, cut by road

Subject	Glacial Geology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-02-24

Detail of kiln opening

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1923-07-09

Detail of negative no 1377, looking east from Oriskany sandstone

Subject	Stratigraphy-Weathering
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date