Pennsylvania Geological Survey - Historical Photographs

About This Collection

This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.
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Alternative figure showing pinching out of beds along dip, also variation in dip
Alternative figure showing pinching out of beds along dip, also variation in dip
Stratigraphy
Alternative figure showing pinching out of beds along dip, also variation in dip. New Cumberland quadrangle
Ambler (Triassic) sandstone
Ambler (Triassic) sandstone
Cities, Towns, and Buildings
Ambler (Triassic) sandstone. Reformed Church, Mainland.
American Lime and Stone Company
American Lime and Stone Company
Nonmetallic Mineral Resources
American Lime and Stone Company, hydrating plant, Bellefonte.
American Petroleum Institute members surrounding recording wagon
American Petroleum Institute members surrounding recording wagon
Field Conferences and Other Meetings
American Petroleum Institute members surrounding recording wagon. Seismograph work near Coudersport.
Ames limestone
Ames limestone
Stratigraphy
Ames limestone, half mile east of south end of Riverton Bridge, McKeesport, Pittsburgh quadrangle.
Ames limestone
Ames limestone
Stratigraphy
Ames limestone at a point between Pitcairn and Turtle Creek., Plate VI-A
Ames limestone along Guyasuta Run
Ames limestone along Guyasuta Run
Stratigraphy
Ames limestone along Guyasuta Run, first valley west of Aspinwall, O'Hara Township.
Ames limestone and 12-inch Harlem coal
Ames limestone and 12-inch Harlem coal
Stratigraphy
Ames limestone and 12-inch Harlem coal, one half mile northeast of Millvale, Reserve Township.
Ames limestone horizon
Ames limestone horizon
Stratigraphy
Ames limestone horizon, Tenth Street Bridge, McKeesport.
Ancient limestone kiln
Ancient limestone kiln
Nonmetallic Mineral Resources
Ancient limestone kiln which probably burned Tully limestone near Schellsburg
Ancient Pennsylvania Gravity Railroad passenger coach
Ancient Pennsylvania Gravity Railroad passenger coach
Miscellaneous
Ancient Pennsylvania Gravity Railroad passenger coach, Honesdale.
Annville, Lebanon County
Annville, Lebanon County
Nonmetallic Mineral Resources
Annville, Lebanon County. Date of photograph not known. George Ashley's tenure with the Survey, 1919-1946.
Annville limestone
Annville limestone
Stratigraphy
Annville limestone, U.S. Steel, Michigan Limestone Division quarry, northeast of Hershey
Annville limestone
Annville limestone
Stratigraphy
Annville limestone, "hanging wall" of East quarry, U.S. Steel, Michigan Limestone Division, northeast of Hershey
Annville limestone
Annville limestone
Stratigraphy
Annville limestone, "hanging wall" of East quarry, U.S. Steel, Michigan Limestone Division, northeast of Hershey
Annville limestone outcrop, East Quarry
Annville limestone outcrop, East Quarry
Nonmetallic Mineral Resources
Annville limestone outcrop, East Quarry, former Annville Stone Company property
Annville limestone quarry, Bethlehem Steel Corporation
Annville limestone quarry, Bethlehem Steel Corporation
Nonmetallic Mineral Resources
Annville limestone quarry, Bethlehem Steel Corporation. East side of County Road north of Palmyra.
Annville Stone Company Quarry
Annville Stone Company Quarry
Nonmetallic Mineral Resources
Annville Stone Company Quarry, ripple marks and folds. Annville Borough
Anorthosite boulders
Anorthosite boulders
Stratigraphy
Anorthosite boulders
Anthracite breaker
Anthracite breaker
Mineral Resources-Coal
Anthracite breaker, near Hazleton.