Pennsylvania Geological Survey - Historical Photographs

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  • Location Covered = Fayette
  • Subject = Stratigraphy

About This Collection

This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.
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Abandoned quarry in Morgantown sandstone
Abandoned quarry in Morgantown sandstone
Stratigraphy
Abandoned quarry in Morgantown sandstone showing cross bedding along State Route 21, one mile west of Sandy Hill.
Bridge across Youghiogheny River at Layton
Bridge across Youghiogheny River at Layton
Stratigraphy
Bridge across Youghiogheny River at Layton, south end. Road tunnel in Mahoning sandstone and shale.
Cliff of Mahoning sandstone along Youghiogheny River
Cliff of Mahoning sandstone along Youghiogheny River
Stratigraphy
Cliff of Mahoning sandstone along Youghiogheny River south of Layton. Exposure from railroad up.
Connellsville sandstone cliff along Dunbar Creek
Connellsville sandstone cliff along Dunbar Creek
Stratigraphy
Connellsville sandstone cliff along Dunbar Creek north of Dunbar. Weathering has produced pockets in the sandstone.
Contact of eroded upper surface of Mauch Chunk red beds
Contact of eroded upper surface of Mauch Chunk red beds
Stratigraphy
Contact of eroded upper surface of Mauch Chunk red beds with overlying Pottsville on National Pike, west slope of Chestnut Ridge.
Fifty feet of Homewood sandstone
Fifty feet of Homewood sandstone
Stratigraphy
Fifty feet of Homewood sandstone exposed in the Williams Brothers Quarry, one mile east of Dunbar. The quarry was last worked forty years ago [from date of photograph].
General Braddock's Grave
General Braddock's Grave
Stratigraphy
General Braddock's Grave.
Greenbrier limestone quarry
Greenbrier limestone quarry
Stratigraphy, Sedimentation
Greenbrier limestone quarry, east slope Chestnut Ridge.
Greenbrier limestone quarry
Greenbrier limestone quarry
Stratigraphy
Greenbrier limestone quarry of P.H.D. Fossils abundant. National Pike, east side of Chestnut Ridge.
Homewood sandstone cliff
Homewood sandstone cliff
Stratigraphy
Homewood sandstone cliff showing cross-bedding, a half mile northwest of intersection of Dunbar Creek and Glade Run, Uniontown quadrangle. Homewood twenty-five feet thick.
National Pike
National Pike
Stratigraphy
National Pike, three quarters of a mile east of Hopwood. Showing (poorly) unconformity at base of Connoquenessing sandstone and at top of Mauch Chunk red shales.
National Pike
National Pike
Stratigraphy
National Pike, 1/5 mile west of Summit. Conglomeratic phase of a Devonian (Chemung) sandstone.
Pocono sandstone blocks
Pocono sandstone blocks
Sedimentation, Stratigraphy
Pocono sandstone blocks, Chestnut Ridge National Highway.
Pottsville conglomerate - cross bedding
Pottsville conglomerate - cross bedding
Stratigraphy
Pottsville conglomerate - cross bedding. North of Beaver Creek, Ohiopyle.
Pottsville sandstone quarry
Pottsville sandstone quarry
Stratigraphy
Pottsville sandstone quarry. Kaufmans, two miles below Ohiopyle.
Road cut
Road cut
Stratigraphy
Road cut, north bank of Youghiogheny River north of Connellsville, showing lower part of Benwood limestone 25 feet thick, 4-8 inch beds of limestone between beds of limy shale.
Sandstone quarry of Dunbar Corporation
Sandstone quarry of Dunbar Corporation
Stratigraphy
Sandstone quarry of Dunbar Corporation (Connoquenessing sandstone), Dunbar.
Site of Washington's first fight
Site of Washington's first fight
Stratigraphy, Sedimentation
Site of Washington's first fight. Cliff of Mp sandstone at Jumonville's Grave where Washington surprised and beat the French.
Site of Washington's first fight
Site of Washington's first fight
Stratigraphy
Site of Washington's first fight. Cliff of Mp sandstone at Jumonville's Grave where Washington surprised and beat the French.
South bank of Youghiogheny River
South bank of Youghiogheny River
Stratigraphy
South bank of Youghiogheny River at Layton. Cliff of massive irregularly bedded Upper Mahoning sandstone.