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Drinking water

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Cover of Hand-book of Sanitary Information for Householders: Containing facts and suggestions about ventilation, drainage, care of contageous diseases, disinfection, food, and water. With appendices on disinfectants and plumbers' materials.

Hand-book of Sanitary Information for Householders: Containing facts and suggestions about ventilation, drainage, care of contageous diseases, disinfection, food, and water. With appendices on disinfectants and plumbers' materials.

Roger Sherman Tracy

4.1
Cover of Water pollution—Wells

Water pollution—Wells

Irving A. (Irving Allison) Watson

4.1
Cover of Sewage Disposal on the Farm, and Protection of Drinking Water

Sewage Disposal on the Farm, and Protection of Drinking Water

Theobald Smith

3.8