| Author: | Lanza, A. J. |
|---|---|
| Additional Authors: | White, Joseph H., |
| Year: | 1916 |
| Document Type: | MAIN |
| Issuing Agency: | Govt. Print. Off., |
| Series: | Miners' circular ; |
| Report Number: | 20 |
| Subjects: | Public health |
| Miners--Diseases | |
| Link: | https://hdl.handle.net/2027/mdp.39015077561911 |