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.

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1,600 foot peneplane
520 foot level bench
770 foot terrace of Allegheny River gravel
An abandoned lumber camp
Abandoned river gap southeast of Williamsport
Across Susquehanna Valley, south of Athens
Allegheny Mountain and Deeters Gap
Beach and wave studies
Beach and wave studies
Beach and wave studies
Benched cut along Interstate 80
Broad flat at head of branch of Huntington Creek
Campbell Ledge near Pittston
Campbell's Ledge from west banks
Catskill Summit
Character of upland near head of Bully Hollow
Chestnut Ridge near Fairchance
Cliff from bridge at Leechburg
Crooked Creek Valley
Curtin Gap