Author
Kulp, Geo. B. 1839-1915
3
Allegheny Forest Experiment Station
2
Coxe, Charles S.
2
Forbes, Reginald D.
2
Ashburton Coal Company
1
Bentley, Elizabeth Petty
1
Chow, Minchen Ming
1
Clint, Florence
1
Delaware and Lehigh National Heritage Corridor Market Towns Initiative
1
Fenstermacher, Ted
1
Heritage Conservancy
1
Hoyt, Henry M. 1830-1892,
1
Ingham, Charles F.
1
King, Joseph A., 1925-
1
Marlowe, Elizabeth Petty,
1
Mesavage, Clement
1
Mesavage, Clement, joint author
1
Mill Creek Coal Co
1
Niccum, Norman, 1904-
1
Northeast Pennsylvania Genealogical Society
1
Pennsylvania Downtown Center
1
Pennsylvania Geological Survey
1
Pennsylvania. Department of Community and Economic Development
1
Pennsylvania. Department of Conservation and Natural Resources
1
Philadelphia & Pittston Coal Company
1
Roberts, William F.
1
Santee, Thomas Patterson, 1851-
1
Sawyer, Paul D.
1
Scattergood, Thomas, 1841-1907
1
Smith, Linda E.
1
United States Census Office 7th census, 1850
1
United States. Census Office. 7th census, 1850
1
Wyoming Coal and Transportation Company
1
Wyoming Historical and Geological Society
1