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

Lake in Monroe Valley

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

Lake in Monroe Valley

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

Landslide along Route 322

Subject	Landslides
Creator	Geyer, Alan R.
Date	1971-05-11

Limestone bridge over Quittapahilla Creek

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-05-08

Limestone collapse at well used for storm drainage

Subject	Sinkholes
Creator	Geyer, Alan R.; Bolles, William H.
Date	1968

Limestone houses with brownstone trim

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-07-18

Limestone typical of the Millbach Member of the Conococheague

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1955

Limestone with brownstone trim

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-09-17

Limestone with brownstone trim

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-09-17

Loaded ore cars

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

Local Boy Scout Jamboree exhibit

Subject	Exhibits
Creator	Geyer, Alan R.
Date	1956

Looking north from high land just north of Cornwall mine

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

Looking northwest from hill near Cornwall Station

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

Magnetite pyrite

Subject	Metallic Mineral Resources

Mariopteris, Pennsylvanian coal fossil

Subject	Fossils
Creator	Bolles, William H.
Date	1970

Martinsburg and Tuscarora Formations

Subject	Stratigraphy
Creator	Hoskins, Donald M.
Date	1974

Martinsburg and Tuscarora Formations

Subject	Stratigraphy
Creator	Hoskins, Donald M.
Date	1974

Martinsburg at Swatara Gap

Subject	Stratigraphy
Creator	Bolles, William H.
Date	1970

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1952

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation

Subject	Stratigraphy
Creator	Bolles, William H.
Date	1970-04-08

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation, limestone member

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation, limestone member

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation, red shale

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg limestone

Subject	Stratigraphy
Creator	Moseley, John Reed

Martinsburg limestone

Subject	Stratigraphy
Creator	Moseley, John Reed

Martinsburg limestone

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1968

Martinsburg limestone

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1950-08

Martinsburg limestone

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1950-08

Martinsburg limestone

Subject	Stratigraphy
Creator	Moseley, John Reed

Martinsburg limestone

Subject	Stratigraphy

Martinsburg limestone

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1968

Martinsburg limestone

Subject	Stratigraphy
Creator	Moseley, John Reed

Martinsburg limestone

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1968

Martinsburg limestone

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1932-04-01

Martinsburg limestone and shale

Subject	Stratigraphy
Creator	Moseley, John Reed

Martinsburg limestone quarry

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1950-08

Martinsburg shale slumping on hill

Subject	Stratigraphy
Creator	Moseley, John Reed

Massively-bedded sandstone

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1950-08

"Middle Hill" pit, Cornwall

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

Middle Hill pit, from Big Hill, Cornwall

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

Millard Quarry

Subject	Nonmetallic Mineral Resources
Creator	Geyer, Alan R.
Date	1970

Millard Quarry, Palmyra

Subject	Nonmetallic Mineral Resources
Creator	Geyer, Alan R.
Date	1970-04-08