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

Poland No. 3 mine

Subject	Mineral Resources-Coal
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-09-27

Polishing blackboard slate

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

Poorhouse Quarry, north of Marshallton

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

Poorhouse Quarry, north of Marshallton

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

Portage flags in Twelvemile Creek

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

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

Porters Swamp stripping of Hazelbrook Coal Company

Subject	Mineral Resources-Coal
Creator	Fraser, Thomas
Date

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

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

Potash mine

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

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

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

Pottsville conglomerate

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

Pottsville conglomerate

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

Pottsville conglomerate

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

Pottsville conglomerate

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

Pottsville conglomerate

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

Pottsville conglomerate

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

Pottsville conglomerate

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

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

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

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

Pottsville in railroad cut

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

Pottsville in railroad cut (at base)

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

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

Pottsville sandstone

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

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

Pottsville sandstone

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