Author
Pennsylvania. Bureau of Topographic and Geologic Survey
5
Pennsylvania
4
Pennsylvania Inspectors of Mines
4
Pennsylvania Public Utility Commission
4
Roberts, William F.
4
Geological Survey of Pennsylvania
3
Lehigh Coal and Navigation Co
3
Lyman, Benjamin Smith, 1835-1920
3
Pennsylvania. Department of Conservation and Natural Resources
3
Sisler, James D. 1894-
3
United States. Bureau of Mines
3
Allegheny and South Side Railway Company
2
Ashmead, Dever Campbell, 1884-
2
Citizens' Committee on the Subject of the North Branch Canal (Bradford County, Pa.)
2
Coal Run Improvement and Rail Road Company
2
Dodge, Clifford H.
2
Haupt, Herman, 1817-1905
2
Lesley, Joseph
2
Lykens Valley Railroad and Coal Company
2
Mumford, Theodore L.
2
Pennsylvania Anthracite Coal Industry Commission
2
Pennsylvania Commission Appointed to Investigate the Bituminous Coal Mines
2
Pennsylvania Geological Survey (4th, 1919-)
2
Pennsylvania Railroad
2
Pennsylvania. General Assembly. Senate. Committee on the Judiciary
2
Philadelphia Record
2
Reese, John F.
2
Sisler, James D.
2
Allegheny and South Side Railway Company,
1
Angell, James W. 1898-1986
1
Anthracite Industries, Inc. (N.Y.)
1
Anthracite Industries, Inc., New York
1
Ashley, Geo. H. 1866-1951
1
Baltimore & Lorberry Mutual Coal Company
1
Baltimore and Lorberry Mutual Coal Company
1
Bedford Iron Company (Bedford & Huntingdon Counties, Pa.)
1
Berry Farm Oil Company
1
Billinger, R. D. 1899-1980
1
Boileau, John W.
1
Bowen, Ele
1
Bowen, Eli, 1824-
1
Campbell, Stuart
1
Carbon County Historical Society, Mauch Chunk, Pa
1
Conner, Eli T.
1
Davies, E. John 1947-
1
Edmunds, William E.
1
Examiner
1
Fell, Jesse, 1751-1830
1
Fettke, Charles Reinhard, 1888-1859
1
Foster, Wm. B.
1
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