Pennsylvania Geological Survey - Historical Photographs

Active Filters:
  • Location Covered = Mifflin
  • Contributing Institution = Pennsylvania Geological Survey
  • Subject = Stratigraphy

About This Collection

This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.
Displaying 30 items
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Bald Eagle Formation
Bald Eagle Formation
Stratigraphy
Bald Eagle Formation, Reedsville, Pa.
Bedding faces
Bedding faces
Stratigraphy
Bedding faces, Medina sandstone. Lewistown Narrows.
Close up of Oswego sandstone
Close up of Oswego sandstone
Stratigraphy
Close up of Oswego sandstone, Manns Narrows.
Contact between Tuscarora on right of center and Juniata left of center
Contact between Tuscarora on right of center and Juniata left of center
Stratigraphy, Sedimentation
Contact between Tuscarora on right of center and Juniata left of center, Mans Narrows.
Contact of Don and Do
Contact of Don and Do
Stratigraphy
Contact of Don and Do, a disconformity, at hammer. Basal Don here is black shale. A few inches of same at bottom contains reworked sand grains from underlying Do. On Pennsylvania Railroad (PRR) east of Newton Hamilton.
Contact of Don and Do, a disconformity at hammer
Contact of Don and Do, a disconformity at hammer
Stratigraphy
Contact of Don and Do, a disconformity at hammer. On Pennsylvania Railroad east of Newton Hamilton
Ganister on flank of Long Mountain
Ganister on flank of Long Mountain
Stratigraphy
Ganister on flank of Long Mountain, close up view. Lewistown quadrangle.
Juniata-Tuscarora contact
Juniata-Tuscarora contact
Stratigraphy
Juniata-Tuscarora contact, Lewistown
Juniata-Tuscarora Formations
Juniata-Tuscarora Formations
Stratigraphy
Juniata-Tuscarora Formations, Reedsville, Pa.
Lower part of Don where formation is dominantly black shale
Lower part of Don where formation is dominantly black shale
Stratigraphy
Lower part of Don where formation is dominantly black shale. On Pennsylvania Railroad east of Newton Hamilton
Mifflin Coal and Sandstone
Mifflin Coal and Sandstone
Stratigraphy
Mifflin Coal and Sandstone, Ridgeley sandstone. Burnham, east of Lewistown
Oneida (?) conglomerate
Oneida (?) conglomerate
Stratigraphy
Oneida (?) conglomerate, two miles northwest of Milroy on Route 29.
Oneida-Medina rock flow
Oneida-Medina rock flow
Stratigraphy
Oneida-Medina rock flow, two miles northwest of Milroy, on Route 29.
"Oswego" conglomerate
"Oswego" conglomerate
Stratigraphy
"Oswego" conglomerate, west bank of Kishacoquillas Creek. Mann Narrows, below Reedsville.
Oswego sandstone
Oswego sandstone
Stratigraphy, Sedimentation
Oswego sandstone westside of Mann's Narrows in Jacks Mountain near Reedsville
Oswego sandstone
Oswego sandstone
Stratigraphy
Oswego sandstone, Manns Narrows.
Reedsville Formation
Reedsville Formation
Stratigraphy
Reedsville Formation, Reedsville, Pa.
Ridgeley sandstone
Ridgeley sandstone
Stratigraphy
Ridgeley sandstone, Vineyard
Ridgeley sandstone
Ridgeley sandstone
Stratigraphy
Ridgeley sandstone, Vineyard
Ridgeley sandstone
Ridgeley sandstone
Stratigraphy
Ridgeley sandstone, Mifflin Sand Company, McVeytown