Keyword: "Sewage Disposal" / Creator: Siegrist, Robert L - Umbra Search Results Search African American History

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Segregation and separate treatment of black and grey household wastewaters to facilitate onsite surface disposal

1. Segregation and separate treatment of black and grey household wastewaters to facilitate onsite surface disposal

Siegrist, Robert L

Keywords:

Land Treatment Of Wastewater; Sewage Disposal, Rural; Toilets

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