| Author: | Wolfson, D. E. | 
|---|---|
| Additional Authors: | Birge, G. W. | 
| Year: | 1956 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:5357 | 
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; | 
| Report Number: | 5257 | 
| Subjects: | Coal--Kentucky--Harlan County--Sampling | 
| Coal--Kentucky--Harlan County--Analysis | |
| Coal--Kentucky--Harlan County--Carbonization | |
| Link: | https://hdl.handle.net/2027/mdp.39015077553876 |