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

Cliff with folded strata

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-07-16

Cliff with folding

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-07-16

Concrete swimming pool

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

Conemaugh River gap

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

Conemaugh River gorge

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

Conestoga Creek

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-04-14

Conestoga Valley section

Subject	Topography
Creator	Geyer, Alan R.
Date	1969

Conewago Creek Valley

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1922-08-17

Conneaut Lake from Oakland Hotel

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1924-08-17

Connellsburg Cove

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

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

Conodoguinet Creek

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

Contact between Oriskany limestone and Onondaga shale

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

Country club flat and gap

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-08-01

Cove Mountain, west side of river

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-08-01

Covered bridge at Clarks Ferry

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-08-01

Creek

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

Creek and gap in mountains

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-07-14

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

Cut in terminal moraine

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-19

Cut in terminal moraine

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-19

Cut near lower end of Squaw Run Road

Subject	Topography
Creator	Johnson, Meredith E., 1897-
Date	1926-05-20

Dam on Perkiomen Creek

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-07-18

Delaware River and Canal

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

Delaware River bluff and Milford Knob

Subject	Topography
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	1922-08-09

Delaware River from Williams Talc Quarry

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

Delaware River, looking southeast from Lackawaxen

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

Delaware Water Gap

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

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 Bedford County wells

Subject	Topography
Creator	Johnson, Meredith E., 1897-
Date	1922

Distant view of cliff

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1927-10-14

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

Down Blockhouse Fork of Little Pine Creek

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-02-01

Down Swatara Creek valley

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

Drainless basin

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-19

Drainless basin

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-19

Dr. Miller's farm on Monocacy Creek

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

Dr. Miller's farm on Monocacy Creek

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

Dunning Creek at Cessna

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-07-14

Dunning Mountain, Medina sandstone talus

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-10-13

East from Chickies Rock

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

East of Newberry

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