Author
Pennsylvania. Bureau of Topographic and Geologic Survey
13
Miner, Charles, 1780-1865
9
Philadelphia Record
8
United Mine Workers of America
8
Pennsylvania Geological Survey
6
United States. Bureau of Mines
6
Bowen, Eli, 1824-
5
Miner, Charles
5
Pennsylvania Historical and Museum Commission
5
Ashley, Geo. H. 1866-1951
4
Centennial Exhibition
4
Conference on the History of Northeastern Pennsylvania Nanticoke, Pa.)
4
Cresson, Charles Massey, 1828-1893
4
Davison, Gideon M. 1791-1869
4
Geological Survey (U.S.)
4
Geological Survey of Pennsylvania
4
Hinkle, F.
4
Hogeland, Alexander
4
Korson, George Gershon, 1899-1967
4
Lauck, W. Jett 1879-1949
4
Miner, Robert G.
4
Sisler, James D. 1894-
4
United States Anthracite Coal Commission
4
Arnold, Andrew Bernard
3
Aurand, Harold W.
3
Barnes, John Henry, 1946-
3
Daddow, Samuel Harries
3
Haines, Michael R.
3
Haldeman, Samuel Stehman, 1812-1880
3
Hester, Patrick
3
Hughes, F. W. 1817-1885
3
Jackson, Robert Montgomery Smith, 1815-1865
3
Killebrew, J. B. 1831-1906
3
Luzerne County Community College Social Science History Department
3
McHugh, Peter
3
Miner, John A., 1919-
3
New Granada Mineral Land Company
3
Pennsylvania. Department of Conservation and Natural Resources
3
Pinkowski, Edward, 1916-
3
Smith, George, 1804-1882
3
Stone, Ralph W. 1876-1964
3
Stose, George Willis, 1869-1960
3
Swartz, F. M.
3
Tennessee. Bureau of Agriculture, Statistics, and Mines
3
Tully, Patrick
3
United States. Army. Corps of Topographical Engineers
3
Willard, Bradford
3
Adams, Sean P.
2
Alleghany Railroad and Coal Company
2
Allen, R. L. 1808-1873
2
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