Pennsylvania Geological Survey - Historical Photographs

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  • Date = 1952

About This Collection

This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.

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#4 Hoist house
Annville limestone
Annville limestone
Annville limestone
Channel sandstone in Mauch Chunk red beds
Coastal ranges, approximately 100 miles northwest of Juneau, Alaska
Cornwall Iron Mine open pit
Cornwall Iron Mine open pit
Cornwall Mine, open pit, looking east
Cornwall open pit
Crusher, washer, and storage bins
Diabase footwall
Drag folds in Pocono sandstone
Gastropods
Ligonier Valley looking east toward Laurel Hill
Loaded ore cars
Martinsburg Formation
Mendenhall Glacier
Nose of Mendenhall Glacier showing decaying ice, moraine, and outwash
Open pit view from Big Hill