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