Region
- Accidents 1 results
- Africa 1 results
- Alabama 1 results
- Anthracite region (Pa.) 4 results
- Appalachian Mountains 2 results
- Appalachian Region 1 results
- Appalachian Region, Southern 1 results
- Ashby-de-la-Zouch (England) 2 results
- Barclay Coal Bed (Bradford County, Pa.) 1 results
- Bedford County 1 results
- Bethlehem 1 results
- Bethlehem (Pa.) 2 results
- Bituminous coal industry 1 results
- Blair County 2 results
- Boone County 1 results
- Bradford County 2 results
- Broad Top 1 results
- Broad Top Region (Pa.) 1 results
- Bucks Co 1 results
- Buxton (Iowa) 1 results
- Cambria County 4 results
- Cambria County (Pa.) 1 results
- Carbon Co 2 results
- Carbon County 5 results
- Carbon County (Pa.) 8 results
- Carbondale 1 results
- Carbondale (Pa.) 1 results
- Centralia 4 results
- Centralia (Pa.) 4 results
- Claghorn (Pa.) 1 results
- Clearfield County 2 results
- Clinton Co 1 results
- Clinton County 3 results
- Clinton County (Pa.) 1 results
- Coal and coal mines 1 results
- Coal land 2 results
- Colorado 3 results
- Columbia County 1 results
- Dauphin County (Pa.) 1 results
- Delaware 1 results
- Delaware Canal (Pa.) 2 results
- Delaware River 1 results
- Delaware and Hudson Canal (N.Y. and Pa.) 1 results
- Donegal (Ireland) 1 results
- Doylestown 1 results
- East (U.S.) 1 results
- Economic conditions 1 results
- Elk County 3 results
- Europe 1 results
- États-Unis 1 results more…