Author: | Tyler, Paul M. |
---|---|
Additional Authors: | Harness, Charles L. |
Year: | 1941 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:7177 |
Series: | Information circular / Bureau of Mines ; |
Report Number: | 7177. |
Subject: | Graphite |
Link: | https://hdl.handle.net/2027/mdp.39015078533638 |