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

Taken to show small islands near West Shore

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1927-09-10

Talus slope

Subject	Stratigraphy Sedimentation
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931

Terrace deposit at Glen Gary Brick Company plant

Subject	Terrace Deposits
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-08-14

Terrace plain

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

Terrace plain

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

The reservoir

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

The reservoir

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

The Survey on a picnic

Subject	Survey Staff

The Survey on a picnic

Subject	Survey Staff

The Survey on outing

Subject	Survey Staff

Three Mile Island atomic reactor

Subject	Cities, Towns, and Buildings
Creator	Geyer, Alan R.

Three Mile Island atomic reactor plant

Subject	Cities, Towns, and Buildings
Creator	Geyer, Alan R.

Three Mile Island atomic reactor plant

Subject	Cities, Towns, and Buildings
Creator	Geyer, Alan R.

Three Mile Island atomic reactor site under construction

Subject	Cities, Towns, and Buildings
Creator	Geyer, Alan R.

Tightly folded beds in Epler Formation

Subject	Structure-Folds
Creator	Geyer, Alan R.
Date	1956

Top of large float boulder

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

Top of river-borne boulder

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

Topography south of Hummelstown

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

Transferring river coal from flats to trucks

Subject	Nonmetallic Mineral Resources

Triassic border fault (?)

Subject	Structure
Creator	Geyer, Alan R.
Date	1971

Triassic border fault (?)

Subject	Structure
Creator	Geyer, Alan R.
Date	1971

Triassic border fault (?)

Subject	Structure
Creator	Geyer, Alan R.
Date	1971

Triassic border fault (?)

Subject	Structure
Creator	Geyer, Alan R.
Date	1971

Triassic border fault (?)

Subject	Structure
Creator	Geyer, Alan R.
Date	1971

Triassic border fault (?)

Subject	Structure
Creator	Geyer, Alan R.
Date	1971

Triassic border fault (?)

Subject	Structure
Creator	Geyer, Alan R.
Date	1971

Triassic border fault (?)

Subject	Structure
Creator	Geyer, Alan R.
Date	1971

Triassic border fault (?)

Subject	Structure
Creator	Geyer, Alan R.
Date	1971

Triassic border fault (?)

Subject	Structure
Creator	Geyer, Alan R.
Date	1971

Triassic border fault (?)

Subject	Structure
Creator	Geyer, Alan R.
Date	1971

Triassic border fault (?)

Subject	Structure
Creator	Geyer, Alan R.
Date	1971

Triassic conglomerate

Subject	Stratigraphy-Weathering
Date	1921-07-01

Triassic conglomerate

Subject	Stratigraphy-Weathering
Date	1921-07-01

Twin Island, effect of ice

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1922-10-01

Typical "shale" topography

Subject	Topography
Creator	Geyer, Alan R.
Date	1972-11

Underground limestone mine

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

Union Canal

Subject	Miscellaneous
Creator	Horich, Franklin J. W.
Date	1920-05-31

Union Deposit Mall, Lower Paxton Township

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

Unloading river coal

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

Unloading river coal along Susquehanna River

Subject	Mineral Resources-Coal
Creator	Sisler, James D. (James Donaldson), 1894-
Date	Spring 1927

Upper end of Independence Island

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-10-01

Upper end of Independence Island

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-10-01

Upper end of island cleared of foliage by ice

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1922-10-01

Upper end of Twin Island shows effect of ice jam

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1922-10-01

Upper Grand Ballroom, Indian Echo Caverns

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

USGS Aero-magnetic survey

Subject	Airborne Surveys
Creator	Geyer, Alan R.
Date	1957

Valley between Middletown and Lancaster

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

Valley plain

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

View across Susquehanna

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

View down river opposite Steelton

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