Author
- Pennsylvania Inspectors of Mines 4 results
- Pennsylvania Public Utility Commission 4 results
- Roberts, William F. 3 results
- Allegheny and South Side Railway Company 2 results
- Ashmead, Dever Campbell, 1884- 2 results
- Lehigh Coal and Navigation Co 2 results
- Mumford, Theodore L. 2 results
- Pennsylvania Anthracite Coal Industry Commission 2 results
- Pennsylvania. General Assembly. Senate. Committee on the Judiciary 2 results
- Sisler, James D. (James Donaldson), 1894- 2 results
- United States. Bureau of Mines 2 results
- Allegheny and South Side Railway Company, 1 results
- Angell, James W. (James Waterhouse), 1898-1986 1 results
- Anthracite Industries, Inc. (N.Y.) 1 results
- Anthracite Industries, Inc., New York 1 results
- Baltimore and Lorberry Mutual Coal Company 1 results
- Bedford Iron Company (Bedford & Huntingdon Counties, Pa.) 1 results
- Bowen, Ele 1 results
- Bowen, Eli, 1824- 1 results
- Campbell, Stuart 1 results
- Carbon County Historical Society, Mauch Chunk, Pa 1 results
- Conner, Eli T. 1 results
- Davies, E. John (Edward John), 1947- 1 results
- Fell, Jesse, 1751-1830 1 results
- Gowen, Franklin B. 1 results
- Griffith, William, 1855- 1 results
- Hazard, Erskine, 1789-1865 1 results
- James, Thomas C. 1 results
- Lauck, William Jett, 1879- 1 results
- Lea, Isaac, 1792-1886 1 results
- Lehigh navigation coal Co., Inc 1 results
- Loree, Leonor Fresnel, 1858-1940 1 results
- Miner, Charles, 1780-1865 1 results
- Pennsylvania 1 results
- Pennsylvania Commission to Investigate the Increase in the Cost of Anthracite Coal in the Commonwealth of Pennsylvania 1 results
- Pennsylvania Geological Survey (4th, 1919-) 1 results
- Pennsylvania State geologist (1874-1890) 1 results
- Pennsylvania. Anthracite Division 1 results
- Pennsylvania. Bureau of Topographic and Geologic Survey 1 results
- Pennsylvania. Water and Power Resources Board 1 results
- Pequa Railroad and Improvement Company 1 results
- Petrillo, F. Charles 1 results
- Roberts, Peter, 1859-1932 1 results
- Rose, Dan 1 results
- Slocum Coal, Iron and City Improvement Company 1 results
- Smith, S. R. (Samuel Robert), 1851- 1 results
- Stafford Meadow Coal, Iron and City Improvement Company 1 results
- Stevenson, George E. (George Edward), 1860-1931 1 results
- United States. Coal Commission 1 results
- Whitaker, Wm. J. (William J.), geologist 1 results more…