| Author: | Griffith, William | 
|---|---|
| Year: | 1912 | 
| Document Type: | N/A | 
| Issuing Agency: | United States. Bureau of Mines. | 
| SUDOC: | I 28.3:25 | 
| Series: | United States Bureau of Mines Reports | 
| Report Number: | Bulletin 25 | 
| Subjects: | Coal mines and mining -- Pennsylvania -- Scranton. | 
| Anthracite coal mines and mining -- Pennsylvania. | |
| Scranton (Pa.) | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc12241/ |