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  • Date = 1921-07-01
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Decomposed Triassic conglomerate
Decomposed Triassic conglomerate
Stratigraphy-Weathering
Decomposed Triassic conglomerate north of Highspire. Photographer not known., Decomposed Triassic conglomerate north of Highspire. July 1921
Decomposed Triassic conglomerate at 400 feet above tide
Decomposed Triassic conglomerate at 400 feet above tide
Stratigraphy-Weathering
Decomposed Triassic conglomerate at 400 feet above tide, northwest of Highspire. Photographer not known.
Outcrop of Triassic conglomerate ledge
Outcrop of Triassic conglomerate ledge
Stratigraphy
Outcrop of Triassic conglomerate ledge north of Highspire. Photographer not known.
Triassic conglomerate
Triassic conglomerate
Stratigraphy-Weathering
Triassic conglomerate north of Highspire. Photographer not known.
Triassic conglomerate
Triassic conglomerate
Stratigraphy-Weathering
Triassic conglomerate north of Highspire. Photographer not known.
Massive Conemaugh sandstone
Massive Conemaugh sandstone
Stratigraphy
Massive Conemaugh sandstone just back of west Elizabeth.
Pittsburgh limestone, chute from Pittsburgh coal entry
Pittsburgh limestone, chute from Pittsburgh coal entry
Nonmetallic Mineral Resources
Pittsburgh limestone, chute from Pittsburgh coal entry behind west Elizabeth.
"Clinton" Shale and sandstone beds
"Clinton" Shale and sandstone beds
Stratigraphy
"Clinton" Shale and sandstone beds west of Mifflintown., Cayugan red beds. sandy. west of Mifflintown
"Clinton" red shales
"Clinton" red shales
Stratigraphy
"Clinton" red shales west of Mifflintown., Cayugan red beds, shaly. West of Mifflintown
Anticlinal
Anticlinal
Structure-Folds
Anticlinal, Lewistown, just east of station., Small anticline, Lewistown just east of station. July 1921
Approaching ridge of Medina
Approaching ridge of Medina
Topography
Approaching ridge of Medina, Lewistown Narrows.
Bedding faces
Bedding faces
Stratigraphy
Bedding faces, Medina sandstone. Lewistown Narrows.
Cement plant
Cement plant
Nonmetallic Mineral Resources
Cement plant, Atlas Portland Cement Company.
Center of anticline
Center of anticline
Structure-Folds
Center of anticline, east of Lewistown., Center of anticline, east of Lewistown July 1921.
Details of weathered limestone quarry
Details of weathered limestone quarry
Stratigraphy-Weathering
Details of weathered limestone quarry near New Holland.
General view of cement limestone quarry
General view of cement limestone quarry
Nonmetallic Mineral Resources
General view of cement limestone quarry near Northampton, Northampton County.
Juniata River and bluffs
Juniata River and bluffs
Topography
Juniata River and bluffs from bridge at Mifflintown.
Lewistown
Lewistown
Cities, Towns, and Buildings
Lewistown, Mifflin County.
Lewistown Narrows
Lewistown Narrows
Topography
Lewistown Narrows.
Lewistown Narrows
Lewistown Narrows
Topography
Lewistown Narrows., Lewistown Narrows with fish dam, July 1921.