Author
Pennsylvania
2
Alleghany Railroad and Coal Co
1
Alleghany Railroad and Coal Company
1
McCoy, Kaycee L.
1
New Jersey Geological Survey
1
Pennsylvania. Bureau of Topographic and Geologic Survey
1
Pennsylvania. Department of Conservation and Natural Resources
1
Roberts, William F.
1
Schmitt, Zachary
1
Stafford Meadow Coal, Iron and City Improvement Company
1