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

Cockeysville Marble

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1969

Cockeysville marble from Bakers, near Avondale

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-06-24

Cockeysville marble in schoolhouse

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-06-24

Cockeysville marble quarry

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1971

Cockeysville Marble quarry

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-06-24

Coke oven foundation

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1928-06-13

Coke ovens below Dudley

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1928-06-13

Coke ovens of local sandstone

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1928-06-16

Coleman bluestone quarry

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1930-09-23

Colonial Slate Company quarry

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1928-04-26

Colonial Slate Company, showing east wall of quarry

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

Colonial Slate Company's quarry

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1928-04-26

Column of Pottsville sandstone

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

Column of Pottsville sandstone

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

Columns with crystals

Subject	Caves
Creator	Hickok, W. O. (William Orville), 1905-
Date	1932-04-24

Community house (converted school house)

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-14

Complete exposure of diabase in Route 11/15 cut through Berry Mountain.

Subject	Igneous and Metamorphic
Creator	Hoskins, Donald M.
Date	1976-03-01

Complex folding, Epler Formation

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

Concentric ledges of Oriskany sandstone

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1930-08-01

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

Conemaugh rocks (Morgantown? sandstone?)

Subject	Stratigraphy

Conestoga Creek

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

Conestoga Creek at Brownstown

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-04-15

Conestoga Creek at Brownstown

Subject	Miscellaneous
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-04-15

Conestoga Creek at Brownstown

Subject	Miscellaneous
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-04-15

Conestoga Formation

Subject	Stratigraphy
Creator	Bolles, William H.
Date	1970

Conestoga limestone

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1934-09-27

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

Conference of Pennsylvania Field Geologists

Subject	Field Conferences and Other Meetings
Creator	Shaffner, Marchant N. (Marchant Nissley), 1897-1990
Date

Conglomerate and trash running transverse to bedding

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

Conglomerate base of Buffalo sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1923-05-22

Conglomerate faulted against base of Tuscarora


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

Conglomerate in Mauch Chunk

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

Conglomerate near base of Tuscarora


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

Conglomerate rock in Mauch Chunk Formation


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

Conglomerate transverse to bedding

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

Conneaut Lake

Subject	Surface Water
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1932-07-24

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

Connellsville sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1922-10-15

Connellsville sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1922-10-15

Connellsville sandstone cliff along Dunbar Creek

Subject	Stratigraphy
Creator	Hickok, W. O. (William Orville), 1905-
Date	1934-06-01

Connoquenessing Creek

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

Connoquenessing sandstone

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

Connoquenessing sandstone

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

Connoquenessing sandstone (?)

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-08-21

Connoquenessing sandstone quarry, Ellwood Stone Company

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