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

Flood, Susquehanna River

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-10-01

Flood, Susquehanna River

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-10-01

Flood, Susquehanna River

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-10-01

Flood, Susquehanna River

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-10-01

Flowers and rest house

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Flowstone cascade, Indian Echo Caverns

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

Folds in limestone of St. Paul Group

Subject	Structure-Folds
Creator	Inners, Jon D.
Date	1974-06-11

Footwall of Myerstown limestone

Subject	Nonmetallic Mineral Resources
Creator	Geyer, Alan R.
Date	1953

Front Street above Manor

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-10

Fuccids in Hamilton sandstone

Subject	Fossils
Creator	Willard, Bradford, 1894-
Date	1932-09-02

Gap of Second Mountain

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-08-01

Gaps from road one-half mile north of Dauphin

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-08-01

Gastropods

Subject	Fossils
Creator	Geyer, Alan R.
Date	1952

Geological Survey Library

Subject	Survey Staff
Creator	Koppe, Edwin F.
Date	1957

Geological Survey State Lab

Subject	Miscellaneous
Creator	Koppe, Edwin F.
Date	1957

Glacial gravel beside highway

Subject	Glacial Geology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1922-10-11

Gnarly Martinsburg shale in bottom of Susquehanna River

Subject	Miscellaneous
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-07-01

Gnarly Martinsburg shale in bottom of Susquehanna River

Subject	Miscellaneous
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-07-01

Goniometer

Subject	Miscellaneous
Creator	Koppe, Edwin F.
Date	1957

Grace Methodist Church

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

Granite curbing

Subject	Miscellaneous
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-06-01

Granite curbing, Capitol Park

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-06-01

Grove along Clarks Creek

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-08-01

Grove along Clarks Creek

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-08-01

Grove in Clarks Creek Valley

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-08-01

Hamilton conglomerate

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1932-09-02

Hamilton sandstone

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1932-09-02

Harrisburg

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-02-02

Harrisburg and mountain

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Harrisburg Natural History Society examining geology of rocks

Subject	Field Conferences and Other Meetings
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Harrisburg Natural History Society examining geology of rocks

Subject	Field Conferences and Other Meetings
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Harrisburg peneplain

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

Harrisburg peneplain

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

Harrisburg Redevelopment Project

Subject	Environmental Geology
Date	1965; 1966

Harrisburg Redevelopment Project

Subject	Environmental Geology
Date	1965; 1966

Harrisburg Redevelopment Project

Subject	Environmental Geology
Date	1965; 1966

Hershey Borough, limestone valley

Subject	Environmental Geology
Creator	Geyer, Alan R.
Date	1972-11-01

Hershey Borough, limestone valley

Subject	Environmental Geology
Creator	Geyer, Alan R.
Date	1972-11-01

Hershey Borough, limestone valley

Subject	Environmental Geology
Creator	Geyer, Alan R.
Date	1972-11-01

Hershey Chocolate World

Subject	Miscellaneous
Creator	Geyer, Alan R.
Date	1972

Hershey Chocolate World construction

Subject	Miscellaneous
Creator	Geyer, Alan R.
Date	1972-11-01

Hershey Home for Boys along Route 322

Subject	Environmental Geology
Creator	Bolles, William H.
Date	1971

High-rise nursing home and new apartment complex

Subject	Environmental Geology
Creator	Bolles, William H.
Date	1973-05-10

High river flood plain

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

Hills in Triassic

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

Hill top one mile north of Dauphin

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-08-01

Hoak Island

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-10-03

Hoffman Brothers and Wilson limestone quarry

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

Hummelstown brownstone quarry, looking north

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

Hummelstown brownstone quarry, looking southwest.

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