Topics Water Supply

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Volume of Sludge from 1,000,000 Gallons of Sewage

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Diagram Showing Rate Between Bulk of Wet Sludge and Its Percentage Moisture

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Sludge Drying Beds, Essen Nord, Germany

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Effects of Expansion of Gas Bubbles in Enscher Sludge Shown in Right-Hand Cylinder

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Thomas Run sewer outlet during construction

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Bacteria in Delaware River, Torresdale Filters, 1913