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

Glacial sand and gravel used for moulding sand

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-09-21

Glacial sand pit

Subject	Glacial Geology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-10-03

Glacial scour

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1921

Glacial smoothing and scratching on Coal Measures sandstone

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

Glacial topography

Subject	Glacial Geology
Creator	Shepps, Vincent C. (Vincent Chester), 1928-

Glass sand loaded in cars wet

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

Glass sand mine, Dunbar Corporation

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

Glass sand quarry

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

Glass sand quarry

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

Glass sand quarry and plant

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

Glass sand quarry and plant (Oriskany sandstone)

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

Glass sand quarry (Oriskany)

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

Glass sand quarry (Oriskany sandstone)

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

Glass sand quarry (Oriskany sandstone)

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

Glass sand quarry (Oriskany sandstone)

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

Glassware and crock

Subject	Economic Uses
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-09-27

Glassware and crock

Subject	Economic Uses
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-09-27

Glen Gery Dam, Maiden Creek

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

Glen in Delaware Water Gap

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

Glen in Delaware Water Gap

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

Glen Mills Quarry

Subject	Economic Uses
Creator	Geyer, Alan R.
Date	1960-12

Glen Mills Quarry

Subject	Economic Uses
Creator	Geyer, Alan R.
Date	1960-12

Glen Mills Quarry

Subject	Economic Uses
Creator	Geyer, Alan R.
Date	1960-12

Glen Onoko

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-10-14

Glen Onoko

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-10-19

Gnarly Martinsburg shale in bottom of Susquehanna River

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

Gnarly Martinsburg shale in bottom of Susquehanna River

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

Gneiss from Leiper quarry

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

Gneiss from Leiper quarry

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

Gneiss from Leiper quarry

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

Gneiss, Keystone Trappe Rock Company

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

Gneiss quarry, Baker Construction Company

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

Gobbler's Knob

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1941-08

Godfrey's Ridge south of Stroudsburg

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1931-09-01

Godfrey's Ridge south of Stroudsburg Esopus

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date

Goniometer

Subject	Miscellaneous
Creator	Koppe, Edwin F.
Date	1957

Gorge made by stream

Subject	Topography
Creator	Johnson, Meredith E., 1897-
Date	1923-05-04

Gorge of Conemaugh River through Chestnut Ridge

Subject	Geomorphology
Creator	Shaffner, Marchant N. (Marchant Nissley), 1897-1990
Date

Gorge of Conemaugh River through Laurel Hill

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

Gorge of Conemaugh through Laurel Hill

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

Gorge of Susquehanna River above Holtwood Dam

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

Grace Methodist Church

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

Graded bedding in Martinsburg allochthonous graywacke

Subject	Stratigraphy
Creator	Root, Samuel I.
Date

Grand View, Lincoln Highway

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

Granite block

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

Granite boulders, Hickory Run

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

Granite curbing

Subject	Miscellaneous
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-06-01

Granite curbing, Capitol Park

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

Granite erratics near Jamesville

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

Granite gneiss

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