| Author: | Walsted, John P., |
|---|---|
| Year: | 1955 |
| Document Type: | MAIN |
| SUDOC: | I 28.23:5120 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 5120 |
| Subject: | Cast-iron |
| Link: | https://hdl.handle.net/2027/mdp.39015095269927 |