Pennsylvania Geological Survey - Historical Photographs

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  • Date = 1971

About This Collection

This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.
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Along Interstate 80 on the Appalachian Plateau
Along Interstate 80 on the Appalachian Plateau
Topography
Along Interstate 80 on the Appalachian Plateau
Cockeysville marble quarry
Cockeysville marble quarry
Stratigraphy
Cockeysville marble quarry near Avondale
Hershey Home for Boys along Route 322
Hershey Home for Boys along Route 322
Environmental Geology
Hershey Home for Boys along Route 322.
Homes destroyed by mine subsidence
Homes destroyed by mine subsidence
Engineering Geology
Homes destroyed by mine subsidence, Coaldale.
Homes destroyed by mine subsidence
Homes destroyed by mine subsidence
Engineering Geology
Homes destroyed by mine subsidence, Coaldale. Photograph published in Environmental Geology Report 1 (EG-1), Figure 11, page 11.
Indian Echo Cave south of Hummelstown
Indian Echo Cave south of Hummelstown
Sinkholes
Indian Echo Cave south of Hummelstown.
Indian Echo Cave south of Hummelstown
Indian Echo Cave south of Hummelstown
Sinkholes
Indian Echo Cave south of Hummelstown.
Indian Echo Cave south of Hummelstown
Indian Echo Cave south of Hummelstown
Sinkholes
Indian Echo Cave south of Hummelstown.
Indian Echo Cave south of Hummelstown
Indian Echo Cave south of Hummelstown
Sinkholes
Indian Echo Cave south of Hummelstown.
Indian Echo Cave south of Hummelstown
Indian Echo Cave south of Hummelstown
Sinkholes
Indian Echo Cave south of Hummelstown.
Indian Echo Cave south of Hummelstown
Indian Echo Cave south of Hummelstown
Sinkholes
Indian Echo Cave south of Hummelstown.
Indian Echo Cave south of Hummelstown
Indian Echo Cave south of Hummelstown
Sinkholes
Indian Echo Cave south of Hummelstown.
Indian Echo Cave south of Hummelstown
Indian Echo Cave south of Hummelstown
Sinkholes
Indian Echo Cave south of Hummelstown.
Indian Echo Cave south of Hummelstown
Indian Echo Cave south of Hummelstown
Sinkholes
Indian Echo Cave south of Hummelstown.
Indian Echo Cave south of Hummelstown
Indian Echo Cave south of Hummelstown
Sinkholes
Indian Echo Cave south of Hummelstown.
Indian Echo Cave south of Hummelstown
Indian Echo Cave south of Hummelstown
Sinkholes
Indian Echo Cave south of Hummelstown.
Interstate 81 bridge construction over the Swatara River, Swatara Gap
Interstate 81 bridge construction over the Swatara River, Swatara Gap
Interstate Highway
Interstate 81 bridge construction over the Swatara River, Swatara Gap.
Interstate 81, syncline exposed between Ravine and Tremont
Interstate 81, syncline exposed between Ravine and Tremont
Interstate Highway
Interstate 81, syncline exposed between Ravine and Tremont. This photograph was published in the Pennsylvania Department of Education's "Earth and Space Science--A Guide for Secondary Teachers," p. 44 (1973).
Interstate 81, view north from I-81 near Hazelton
Interstate 81, view north from I-81 near Hazelton
Interstate Highway
Interstate 81, view north from I-81 near Hazelton. Town of Humbolt in background.
Interstate 81, view of Swatara Gap at Lickdale
Interstate 81, view of Swatara Gap at Lickdale
Interstate Highway
Interstate 81, view of Swatara Gap at Lickdale.