"Natick (Mass.)" . . . . "Massachusetts" . . "Framingham (Mass.)" . . "Boston (Mass.). Water Supply." . . "Agua Abastecimiento Estados Unidos Boston." . . "Water-supply Massachusetts Boston." . . "Water Purification Boston." . . "Water-supply." . . "Boston (Mass.)" . . . . . . . . . . . "Report on introducing pure water into the city of Boston" . "Report on introducing pure water into the city of Boston"@en . . . "[Report on the Subject of introducing Pure Water into the City of Boston.]"@en . . "Lithographs" . "Lithographs"@en . . . . "Electronic books"@en . . . . . . . . . . . . . . . . . . . . . . . . "Report on the subject of introducing pure water into the city of Boston" . "Report on the subject of introducing pure water into the city of Boston"@en . . . . . . . "Report on the Subject of introducing Pure Water into the City of Boston"@en . "Maps" . "Maps"@en . . . . . . .