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- Author(s):
- Williams, Ralph C. (Ralph Chester), 1888-1984 compiler
- Publication:
- Washington : Government Printing Office, 1921
- Subject(s):
- Occupational Diseases -- prevention & control
Mining
Occupational Health
United States
- Author(s):
- Warkentin, E. C. (Euald Carl), 1908-1985, author
Ady, R. B., author
- Publication:
- [Oklahoma City?] : Division of Industrial Hygiene, Bureau of Public Health Engineering, [1941?]
- Subject(s):
- Occupational Exposure
Dust
Mining
Zinc -- adverse effects
Lead -- adverse effects
Oklahoma
- Author(s):
- Williams, Ralph C. (Ralph Chester), 1888-1984 compiler
- Publication:
- Washington : Government Printing Office, 1919
- Subject(s):
- Occupational Diseases -- prevention & control
Mining
Occupational Health
United States
- Author(s):
- Williams, Ralph C. (Ralph Chester), 1888-1984 compiler
- Publication:
- Washington : Government Printing Office, 1918
- Subject(s):
- Occupational Diseases -- prevention & control
Mining
Occupational Health
United States
- Author(s):
- Murray, Arthur L., author
- Publication:
- Washington : Government Printing Office, 1926
- Subject(s):
- Lead Poisoning
Mining
Utah