Pennsylvania Geological Survey - Historical Photographs

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  • Subject = Geomorphology

About This Collection

This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.
Displaying 189 items
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Glen in Delaware Water Gap
Glen in Delaware Water Gap
Geomorphology
Glen in Delaware Water Gap
Gorge of Conemaugh River through Chestnut Ridge
Gorge of Conemaugh River through Chestnut Ridge
Geomorphology
Gorge of Conemaugh River through Chestnut Ridge. Looking west from near Torrance
Gorge of Conemaugh River through Laurel Hill
Gorge of Conemaugh River through Laurel Hill
Geomorphology
Gorge of Conemaugh River through Laurel Hill west of Johnstown
Gorge of Conemaugh through Laurel Hill
Gorge of Conemaugh through Laurel Hill
Geomorphology
Gorge of Conemaugh through Laurel Hill from west
Kittatinny Mountain showing bench at top of Tuscarora sandstone
Kittatinny Mountain showing bench at top of Tuscarora sandstone
Geomorphology
Kittatinny Mountain showing bench at top of Tuscarora sandstone. Opposite Harrisburg
Kittatinny Mountain showing bench at top of Tuscarora sandstone
Kittatinny Mountain showing bench at top of Tuscarora sandstone
Geomorphology
Kittatinny Mountain showing bench at top of Tuscarora sandstone. Opposite Harrisburg
Kittatinny peneplane
Kittatinny peneplane
Geomorphology
Kittatinny peneplane.
Leached limestone
Leached limestone
Geomorphology
Leached limestone north side of fault. New Route 222 north of Lancaster
Leached limestone in background
Leached limestone in background
Geomorphology
Leached limestone in background, east side of Route 222 immediately north of Lancaster
Leached limestone in foreground
Leached limestone in foreground
Geomorphology
Leached limestone in foreground, west side of Route 222, Lancaster County
Leached limestone on north side of fault
Leached limestone on north side of fault
Geomorphology
Leached limestone on north side of fault, Route 222 construction north of Lancaster
Ligonier Valley looking east toward Laurel Hill
Ligonier Valley looking east toward Laurel Hill
Geomorphology
Ligonier Valley looking east toward Laurel Hill. Route 711 north of Ligonier
Looking across White Deer Valley toward Muncy Mountain
Looking across White Deer Valley toward Muncy Mountain
Geomorphology
Looking across White Deer Valley toward Muncy Mountain from Montgomery-Williamsport road south of gap. River gap at Montgomery is just to the left of center of picture
Looking down West Branch of Susquehanna at Lock Haven
Looking down West Branch of Susquehanna at Lock Haven
Geomorphology
Looking down West Branch of Susquehanna at Lock Haven. Helderberg limestone shows on left bank just above bridge
Looking east toward Tioga and lower end of Cowanesque Creek
Looking east toward Tioga and lower end of Cowanesque Creek
Geomorphology
Looking east toward Tioga and lower end of Cowanesque Creek from turn of road on top of moraine. See picture of "flat topped" moraine.
Looking north across the west end of Heart Lake
Looking north across the west end of Heart Lake
Geomorphology
Looking north across the west end of Heart Lake. Elk Hills barely visible on left horizon.
Looking north from Sugar Loaf Fire Tower
Looking north from Sugar Loaf Fire Tower
Geomorphology
Looking north from Sugar Loaf Fire Tower. Shows western side of Laurel Ridge anticline. Foreground hill capped by Pottsville, second hill by Pocono, and third hill by Pottsville.
Looking northwest
Looking northwest
Geomorphology
Looking northwest from Third Mountain toward gap through Peters Mountain over Mauch Chunk Valley north of Third Mountain.
Looking northwest from Filling Station between Wyalusing and Towanda
Looking northwest from Filling Station between Wyalusing and Towanda
Geomorphology
Looking northwest from Filling Station between Wyalusing and Towanda
Looking south from Berwick
Looking south from Berwick
Geomorphology
Looking south from Berwick, Columbia County, showing valley of Nescopeck Creek, Luzerne County. Delta at mouth of creek, Nescopeck Mountain in rear.