. Annual report of the Metropolitan Water and Sewerage Board . a w »»i $* 36 &0 NOTES South Metropolitan Sewers indicated thusHigh Level Sewer Extension indicated thus North Metropolitan and Boston MainDrainage Sewers indicated thus ???? I ) Newton Main Sewers indicated thus «??? — 1/ ^ Area tributary to High Level Sewer j bq gravitq shaded thus Area tributary to High Level Sewerbq pumping shaded thus.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectwatersupply, bookyear