Author
Pennsylvania Inspectors of Mines
4
Roberts, William F.
3
Pennsylvania. General Assembly. Senate. Committee on the Judiciary
2
Ashmead, Dever Campbell, 1884-
1
Baltimore and Lorberry Mutual Coal Company
1
Bowen, Ele
1
Bowen, Eli, 1824-
1
Campbell, Stuart
1
Conner, Eli T.
1
Gowen, Franklin B.
1
Griffith, William, 1855-
1
Lea, Isaac, 1792-1886
1
Loree, Leonor Fresnel, 1858-1940
1
Pennsylvania. Anthracite Division
1
Pequa Railroad and Improvement Company
1
Roberts, Peter, 1859-1932
1
Slocum Coal, Iron and City Improvement Company
1
Smith, S. R. 1851-
1
Stafford Meadow Coal, Iron and City Improvement Company
1
Stevenson, George E. 1860-1931
1
United States. Bureau of Mines
1
United States. Coal Commission
1