File:1941 The Health of Workers in Dusty Trades VII. Restudy of a Group of Granite Workers.pdf
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| Description |
English: The Health of Workers in Dusty Trades VII. Restudy of a Group of Granite Workers |
| Date | |
| Source | https://collections.nlm.nih.gov/catalog/nlm:nlmuid-101541494-bk |
| Author | U.S. Public Health Service Division of Industrial Hygiene |
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This image is in the public domain in the United States because it contains materials that originally came from the U.S. Public Health Service, taken or made as part of an employee's official duties. As works of the U.S. federal government, all Public Health Service images are in the public domain in the United States. | .svg) |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 04:51, 26 November 2020 |  | 868 × 1,333, 84 pages (10.21 MB) | John P. Sadowski (NIOSH) (talk | contribs) | Uploaded a work by U.S. Public Health Service Division of Industrial Hygiene from https://collections.nlm.nih.gov/catalog/nlm:nlmuid-101541494-bk with UploadWizard |
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