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

Picking table at Hollenback breaker

Subject	Mineral Resources-Coal
Creator	Fraser, Thomas
Date	Summer 1926

Picking table in Hollenback breaker

Subject	Mineral Resources-Coal
Creator	Fraser, Thomas
Date	Summer 1926

Picnic area road on Presque Isle State Park

Subject	State Parks
Creator	Shepps, Vincent C. (Vincent Chester), 1928-
Date	1962-08

Pigeon Hills from Lincoln Highway

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-04-28

Pile driving operation

Subject	Engineering Geology
Creator	Inners, Jon D.
Date	1972-09-01

Pinching out of beds

Subject	Stratigraphy
Creator	Bissell, Malcolm H.; Stose, George Willis, 1869-1960
Date	1928

Pinching out of beds down the dip

Subject	Stratigraphy
Creator	Bissell, Malcolm H.; Stose, George Willis, 1869-1960
Date	1928

Pinching out of beds up the dip

Subject	Stratigraphy
Creator	Bissell, Malcolm H.; Stose, George Willis, 1869-1960
Date	1928

Pinching out of beds up the dip

Subject	Stratigraphy
Creator	Bissell, Malcolm H.; Stose, George Willis, 1869-1960
Date	1928

Pine Creek

Subject	Surface Water
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1937-08-14

Pine Creek

Subject	Surface Water
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1937-08-14

Pine Creek and road

Subject	Surface Water
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-09-27

Pine Creek Gorge

Subject	Surface Water
Creator	Willard, Bradford, 1894-
Date	1931-08-01

Pine Creek Gorge

Subject	Surface Water
Creator	Willard, Bradford, 1894-
Date	1935-07-06

Pine Creek Gorge

Subject	Surface Water
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-09-27

Pine Creek Gorge

Subject	Surface Water
Creator	Willard, Bradford, 1894-
Date	1935-07-06

Pine Creek Gorge

Subject	Surface Water
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1937-08-14

Pine Creek Gorge

Subject	Surface Water
Creator	Willard, Bradford, 1894-
Date	1935-07-06

Pine Creek Gorge

Subject	Surface Water
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1937-08-14

Pine Creek Gorge

Subject	Surface Water
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1937-08-14

Pine Creek Gorge from Harrison Park

Subject	Surface Water
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1937-08-14

Pine Creek limestone and top of Buffalo sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1925-06-04

Pine Creek Road

Subject	Interstate Highways and Other Roads
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-09-27

Pine Creek Road and Valley

Subject	Interstate Highways and Other Roads
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-09-27

Pine Creek Road, east of Cedar Run

Subject	Interstate Highways and Other Roads
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date

Pine Creek Valley

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1937-08-14

Pine Creek Valley

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1937-08-14

Pine Creek Valley looking north

Subject	Surface Water
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-09-27

Pine Creek Valley, looking west

Subject	Geomorphology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-09-28

Pine Grove Iron Furnace

Subject	Metallic Mineral Resources
Creator	Foose, Richard Martin, 1915-

Pine Mountain

Subject	Topography
Creator	Moseley, John Reed

Pine Street Presbyterian Church

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1931-07-08

Pinnacle at point of ridge

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

Pinnacle of Brunswick red mudstone

Subject	General Geology
Creator	Inners, Jon D.
Date	1973-01-01

Pinnacles developed on Rockdale Run Formation limestone

Subject	Geomorphology
Creator	Root, Samuel I.
Date	1972-09-21

Pinnacle weathering in limestone of St. Paul Group

Subject	General Geology
Creator	Inners, Jon D.
Date	1974-04-01

Pinnacle weathering of limestone

Subject	Geomorphology
Creator	Bolles, William H.
Date	1970

Pit east of railroad, Cornwall

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

Pit in Bryn Mawr gravel

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1935-06-01

Pit in glacial gravel delta

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1924-08-19

Pit in "Middle Hill," Cornwall

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

Pit in river bottom silt along Yellow Breeches Creek

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

Pit mouth

Subject	Nonmetallic Mineral Resources
Creator	Hughes, H. Herbert (Harry Herbert), 1905-
Date	1927-08-01

Pitted sandstone

Subject	Stratigraphy
Creator	Shaffner, Marchant N. (Marchant Nissley), 1897-1990
Date	1951

Pittsburgh Civic Center

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-08

Pittsburgh coal

Subject	Nonmetallic Mineral Resources
Creator	Schoeneck, P. S.
Date	Summer 1921

Pittsburgh coal

Subject	Mineral Resources-Coal
Creator	Moyer, Forrest Theodore, 1906-
Date	1935-04

Pittsburgh coal

Subject	Mineral Resources-Coal
Creator	Moyer, Forrest Theodore, 1906-
Date	1935-04

Pittsburgh coal

Subject	Nonmetallic Mineral Resources
Creator	Schoeneck, P. S.
Date	Summer 1921

Pittsburgh coal

Subject	Nonmetallic Mineral Resources
Creator	Schoeneck, P. S.
Date	Summer 1921