Pennsylvania Geological Survey - Historical Photographs

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  • Location Covered = Dauphin
  • Subject = Stratigraphy

About This Collection

This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.
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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
Basal Silurian ledge
Basal Silurian ledge
Stratigraphy
Basal Silurian ledge below Stone Arch Bridge, Susquehanna Gap.
Buffalo Springs Formation
Buffalo Springs Formation
Stratigraphy
Buffalo Springs Formation, small quarry two miles southwest of Campbelltown
Buffalo Springs Formation
Buffalo Springs Formation
Stratigraphy
Buffalo Springs Formation in a small quarry two miles southwest of Campbelltown
Buffalo Springs Formation
Buffalo Springs Formation
Stratigraphy
Buffalo Springs Formation, small quarry two miles southwest of Campbelltown
Buffalo Springs Formation
Buffalo Springs Formation
Stratigraphy
Buffalo Springs Formation, small quarry two miles southwest of Campbelltown
Cliff of Pocono sandstone
Cliff of Pocono sandstone
Stratigraphy
Cliff of Pocono sandstone below Dauphin. Date of photograph not known. George Ashley's tenure with the Survey, 1919-1946.
Column of Pottsville sandstone
Column of Pottsville sandstone
Stratigraphy, Sedimentation
Column of Pottsville sandstone on top of Third Mountain lying between vertical joint plains near west end of mountain.
Column of Pottsville sandstone
Column of Pottsville sandstone
Stratigraphy, Sedimentation
Column of Pottsville sandstone on top of Third Mountain lying between vertical joint plains near west end of mountain.
Conglomerate faulted against base of Tuscarora
Conglomerate faulted against base of Tuscarora
Stratigraphy, Sedimentation
Conglomerate faulted against base of Tuscarora in railroad cut at Rockville.
Conglomerate in Mauch Chunk
Conglomerate in Mauch Chunk
Stratigraphy, Sedimentation
Conglomerate in Mauch Chunk beside railroad track north of Dauphin.
Conglomerate near base of Tuscarora
Conglomerate near base of Tuscarora
Stratigraphy, Sedimentation
Conglomerate near base of Tuscarora above railroad tracks on east side of river at gap through Kittatinny Mountain.
Conglomerate rock in Mauch Chunk Formation
Conglomerate rock in Mauch Chunk Formation
Stratigraphy, Sedimentation
Conglomerate rock in Mauch Chunk Formation beside road running down to railroad west of Red Hill, north of Dauphin.
Contact between Myerstown and Annville limestone
Contact between Myerstown and Annville limestone
Stratigraphy
Contact between Myerstown and Annville limestone along Swatara Creek
Contact of Myerstown and Annville limestone
Contact of Myerstown and Annville limestone
Stratigraphy
Contact of Myerstown and Annville limestone along Swatara Creek
Crest of Third Mountain near western end
Crest of Third Mountain near western end
Stratigraphy, Sedimentation
Crest of Third Mountain near western end
Devonian Hamilton strata
Devonian Hamilton strata
Stratigraphy
Devonian Hamilton strata. Upper quarry in Little Mountain, Rockville.
Devonian Hamilton strata
Devonian Hamilton strata
Stratigraphy
Devonian Hamilton strata. Upper quarry in Little Mountain, Rockville.