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

Poorhouse Quarry, north of Marshallton

Subject	Nonmetallic Mineral Resources
Creator	Graeber, Charles Karsner, 1896-
Date	1935-06-01

Portage flags in Twelvemile Creek

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1928-10-09

Portage group

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1934-06-25

Portage shale along main line of Pennsylvania Railroad

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

Portage shale, overlain by drift, with large imbedded boulder

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

Portage with thin sandstone layers

Subject	Glacial Geology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-08-03

Porters Swamp stripping of Hazelbrook Coal Company

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

Port Ewen (left) Oriskany Basal conglomerate contact

Subject	Stratigraphy
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date

Port Ewen Type Section

Subject	Stratigraphy
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date	1937-07-06

Portraits (left to right) - R. B. Sosman, Donald M. Fraser, and G. L. Adair

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

Possible sinkholes developed in parking lot

Subject	Sinkholes
Creator	Bolles, William H.
Date	1971

Possible sinkholes developed in parking lot of Hummelstown shopping center

Subject	Sinkholes
Creator	Bolles, William H.

Potash mine

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-15

Potash mine

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-14

Potash Mine (?) so called in Catskill (?) sandstone

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

Pothole

Subject	State Parks
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1930-05-15

Pothole in Chickies Rock

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

Pottery made at Greensboro by Williams and Reppert

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

Pottery made at Greensboro by Williams and Reppert

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

Pottsville and Mauch Chunk Formations exposed in faulted syncline

Subject	Structure-Faults
Creator	Hoskins, Donald M.
Date

Pottsville and Mauch Chunk Formations exposed in faulted syncline

Subject	Structure-Faults
Creator	Hoskins, Donald M.
Date

Pottsville and Mauch Chunk Formations exposed in faulted syncline

Subject	Structure-Faults
Creator	Hoskins, Donald M.
Date

Pottsville and Mauch Chunk Formations exposed in faulted syncline

Subject	Structure-Faults
Creator	Hoskins, Donald M.
Date

Pottsville and Mauch Chunk Formations exposed in faulted syncline

Subject	Structure-Faults
Creator	Hoskins, Donald M.
Date

Pottsville conglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-05-25

Pottsville conglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1928-08-31

Pottsville conglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1946-07-24

Pottsville conglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1946-07-24

Pottsville conglomerate

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-05-22

Pottsville conglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-10-15

Pottsville conglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-11-01

Pottsville conglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-10-12

Pottsville conglomerate at Baber Cemetery

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

Pottsville (?) conglomerate at Livengood Cave

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

Pottsville conglomerate - cross bedding

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1928-06-15

Pottsville conglomerate float on Vought Run

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

Pottsville conglomerate, rough and dressed, cemetery wall

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

Pottsville conglomerate, St. Bartholomew's Roman Catholic Church

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

Pottsville in railroad cut

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-08-06

Pottsville in railroad cut (at base)

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-08-06

Pottsville on Gold Mine Road over Sharp Mountain

Subject	Stratigraphy
Creator	Moseley, John Reed

Pottsville on top at Sharp Mountain

Subject	Stratigraphy
Creator	Moseley, John Reed

Pottsville sandstone

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1928-10-13

Pottsville sandstone

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

Pottsville sandstone


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

Pottsville sandstone

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1936-10-19

Pottsville sandstone

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-09-25

Pottsville sandstone, Bare Rock Quarry

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-08-17

Pottsville (?) sandstone on Tub Mill Run above Holliday Farm

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

Pottsville sandstone (probably Upper Connoquenessing)

Subject	Nonmetallic Mineral Resources
Creator	Graeber, Charles Karsner, 1896-
Date