| Author: | Fieldner, Arno Carl, | 
|---|---|
| Additional Authors: | Taylor, Carl A., | 
| Year: | 1915 | 
| Document Type: | USBM | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.7:64 | 
| Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; | 
| Report Number: | 64 | 
| Subjects: | Nitrogen | 
| Coal--Testing | |
| Link: | https://hdl.handle.net/2027/mdp.39015077560913 |