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

Lower part of Don where formation is dominantly black shale

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1934-06-22

Lower part of Pocono

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1939-10-12

Lower part of Upper Shenango sandstone

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

Low terrace (715 feet above tide) escarpment of upper terrace at right.

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

Low terrace along Susquehanna

Subject	Rivers and Streams
Creator	Moyer, Forrest Theodore, 1906-

Low water

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1922-10-06

Loyalhanna limestone

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-09-21

Loyalhanna limestone

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-09-21

Loyalhanna limestone

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1928-05-23

Loyalhanna limestone 40 feet thick cross-bedded siliceous limestone (lower half of rock exposure)

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

Loyalhanna limestone and Burgoon sandstone 300 feet

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

Loyalhanna limestone, close-up showing details

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

Loyalhanna limestone interfingering in Mauch Chunk red beds

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

Loyalhanna limestone, McSpadden Quarry

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

Loyalhanna limestone mine

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

Loyalhanna limestone mine

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

Loyalhanna limestone mine

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

Loyalhanna limestone mine

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

Loyalhanna limestone mine

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

Loyalhanna limestone mine

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

Loyalhanna limestone plant

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

Loyalhanna limestone, Romesburg Mine

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

Loyalhanna limestone, Romesburg Mine

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

Loyalhanna limestone (upper half of rock exposure) in contact with top of Pocono sandstone

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

Loyalsock Creek

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-09-21

Loyalsock Creek

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-07-26

Loyalsock Creek

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-07-26

Loyalsock Creek, near Laporte

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

Loyalsock Creek north from Susquehanna Trail

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

Loyalsock Valley

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-09-21

Loyalsock Valley

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

Loyalsock Valley below Forksville

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

Lump picking tables at Kingston No. 4 breaker

Subject	Mineral Resources-Coal
Creator	Fraser, Thomas
Date

Lycoming Creek

Subject	Surface Water
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-07-26

Lycoming Silica Sand Company

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

Lycoming Silica Sand Company

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

Magnesite, three inch vein in Brinton serpentine quarry

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

Magnesite vein in serpentine

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

Magnetite pyrite

Subject	Metallic Mineral Resources

Mahoning coal

Subject	Nonmetallic Mineral Resources
Creator	Johnson, Meredith E., 1897-
Date	1923-05-22

Mahoning coal (arrow), and sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date

Mahoning coal (arrow), clay and sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date

Mahoning sandstone

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

Mahoning sandstone at Monroe

Subject	Stratigraphy
Creator	Hughes, H. Herbert (Harry Herbert), 1905-
Date

Mahoning sandstone jail

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

Mahoning sandstone quarry near Apollo, Pa.

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

Maiden Creek below Glen Gery Dam

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

Main Ballroom, Indian Echo Caverns

Subject	Caves
Creator	Bolles, William H.
Date	1970-11

Main line of Pennsylvania Railroad

Subject	Topography
Creator	Johnson, Meredith E., 1897-
Date	1922-08-15

Making paving block

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