scholarly journals Geologic cross section C-C' through the Appalachian basin from Erie County, north-central Ohio, to the Valley and Ridge province, Bedford County, south-central Pennsylvania

Author(s):  
Robert T. Ryder ◽  
Michael H. Trippi ◽  
Christopher S. Swezey ◽  
Robert D. Crangle ◽  
Rebecca S. Hope ◽  
...  
Author(s):  
Robert T. Ryder ◽  
Robert D. Crangle ◽  
Michael H. Trippi ◽  
Christopher S. Swezey ◽  
Erika E. Lentz ◽  
...  

2014 ◽  
Author(s):  
Robert T. Ryder ◽  
Robert D. Crangle ◽  
Michael H. Trippi ◽  
Christopher S. Swezey ◽  
Erika E. Lentz ◽  
...  

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