. Infant mortality : results of a field study in Johnstown, Pa., based on births in one calendar year. ONE OF SEVERAL LITTLE ALLEYS OF CONEMAUGHBOROUGH LEADING DOWN THE HILL FROM HUBERSTREET. Waste water from the houses not absorbed bythe soil trickles downthe depression noted in the center. PLATE K Infant Mortality: Johnstown, Pa.,

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Keywords: ., bookcentury1900, bookdecade1910, bookpublishe, booksubjectinfants