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

Third Annual Field Conference

Subject	Field Conferences and Other Meetings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-05-28

Third Annual Field Conference

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

Third Annual Field Conference

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

Third Annual Field Conference

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

Thomasville Lime and Stone Company quarry

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

Three benches of Lower Kittanning coal

Subject	Mineral Resources-Coal
Creator	Shepps, Vincent C. (Vincent Chester), 1928-
Date	1960

Three Mile Island atomic reactor

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

Three Mile Island atomic reactor plant

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

Three Mile Island atomic reactor plant

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

Three Mile Island atomic reactor site under construction

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

Throckmorton farm house built of local sandstone

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

Thrust fault

Subject	Structure-Faults
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-04-23

Thrust fault near Hazleton

Subject	Structure-Faults
Creator	Bolles, William H.

Thrust fault Warrior (mid Cambrian) on Carlim (lower Mohawk)

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

Thrusting exposed in large roadcut

Subject	Structure-Faults
Creator	Bolles, William H.
Date	1971-06-03

Thrusting exposed, large highway cut near Hazleton

Subject	Structure-Faults
Creator	Bolles, William H.
Date	1971-06-03

Ticklish Rock

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1939-08-10

Tight fold in the limestone of the Buffalo Springs member of the Conococheague

Subject	Structure-Folds
Creator	Geyer, Alan R.
Date

Tight folds in Buffalo Springs member of Conococheague limestone

Subject	Structure-Folds
Creator	Geyer, Alan R.
Date	1953

Tight folds in thin-bedded limestone

Subject	Structure-Folds
Creator	Geyer, Alan R.
Date	1955

Tightly folded beds in Epler Formation

Subject	Structure-Folds
Creator	Geyer, Alan R.
Date	1956

Tightly folded limestone and dolomite beds

Subject	Structure-Folds
Creator	Geyer, Alan R.
Date	1952

Till

Subject	Stratigraphy
Creator	Geyer, Alan R.

Timbers for American Research Association

Subject	Oil and Gas
Creator	Johnson, Meredith E., 1897-
Date	1923-06-14

Tinsman quarry

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

Tionesta Lake

Subject	Surface Water
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1941-08

Tionesta Spillway and Peters Run

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1941-08

Tipple and line of cars with "E" coal

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1941-09

Tipple for small mine, Upper Freeport (UF) seam

Subject	Nonmetallic Mineral Resources
Creator	Johnson, Meredith E., 1897-
Date	1922-08-02

Tobacco field

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-08-24

Toe of excavation at "Big Hill" Cornwall

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

Top and partial section of upper terrace

Subject	Terrace Deposits
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-05-20

Top of Big Hill, Cornwall Iron Mine

Subject	Metallic Mineral Resources
Creator	Geyer, Alan R.
Date	1952

Top of Big Hill (waste dump), Cornwall Iron Mine

Subject	Metallic Mineral Resources
Creator	Geyer, Alan R.
Date	1952

Top of Catskill (lower half) base of Cuyahoga shale (upper, 700 feet thick)

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

Top of Corry sandstone and overlying beds

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1941-08

Top of cryptozoons

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

Top of glacial gravel deposits of supposed Kansasian age

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

Top of glacial pothole

Subject	Glacial Geology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-08-07

Top of large float boulder


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

Top of Morgantown sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1921-11-01

Top of river-borne boulder


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

Top of small cryptozoons

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-07-29

Topography

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

Topography

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-08-19

Topography across valley from cemetery

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

Topography and residence

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

Topography around Centerville

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-11-01

Topography around Mamont

Subject	Topography
Creator	Graeber, Charles Karsner, 1896-
Date	1921

Topography at Valley Forge

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