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Author(s):
Hugh Harman Productions.
United States. Navy Dept.
Publisher:
United States : Hugh Harman Productions, 1945
Subject(s):
Water
Military Hygiene
Military Personnel
Water Pollutants
Water Supply
Instructional Films and Videos
Author(s):
Smart, Charles, 1841-1905, author
Publisher:
[Minnesota] : [publisher not identified], [1886]
Subject(s):
Water Pollutants
Water Supply
Sanitation -- methods
Sewage -- analysis