Author
Pennsylvania Inspectors of Mines
4
Pennsylvania Public Utility Commission
4
Roberts, William F.
3
Allegheny and South Side Railway Company
2
Ashmead, Dever Campbell, 1884-
2
Lehigh Coal and Navigation Co
2
Mumford, Theodore L.
2
Pennsylvania Anthracite Coal Industry Commission
2
Pennsylvania. General Assembly. Senate. Committee on the Judiciary
2
Sisler, James D. 1894-
2
United States. Bureau of Mines
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
Baltimore and Lorberry Mutual Coal Company
1
Bedford Iron Company (Bedford & Huntingdon Counties, Pa.)
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
Fell, Jesse, 1751-1830
1
Gowen, Franklin B.
1
Griffith, William, 1855-
1
Hazard, Erskine, 1789-1865
1
James, Thomas C.
1
Lauck, William Jett, 1879-
1
Lea, Isaac, 1792-1886
1
Lehigh navigation coal Co., Inc
1
Loree, Leonor Fresnel, 1858-1940
1
Miner, Charles, 1780-1865
1
Pennsylvania
1
Pennsylvania Commission to Investigate the Increase in the Cost of Anthracite Coal in the Commonwealth of Pennsylvania
1
Pennsylvania Geological Survey (4th, 1919-)
1
Pennsylvania State geologist (1874-1890)
1
Pennsylvania. Anthracite Division
1
Pennsylvania. Bureau of Topographic and Geologic Survey
1
Pennsylvania. Water and Power Resources Board
1
Pequa Railroad and Improvement Company
1
Petrillo, F. Charles
1
Roberts, Peter, 1859-1932
1
Rose, Dan
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. Coal Commission
1
Whitaker, Wm. J. geologist
1
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