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UNT Libraries Government Documents Department
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Public Health Service publication
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Government Documents A to Z Digitization Project
- Algae in water supplies: an illustrated manual on the identification, significance, and control of algae in water supplies.
- A manual designed to help "water analysts and others who deal with the many problems and effects associated with the presence of algae in water supplies." digital.library.unt.edu/ark:/67531/metadc9129/