Annual Report of the Provincial Board of Health of Ontario Being for the ...

By Provincial Board of Health of Ontario , Provincial Board of Health of Ontario

Subjects: cases, provincial board, sewage, annual report, years ago, medical health, deaths, provincial, disease, board, sanitary, health, public water, water supply, public health, river water, total deaths, typhoid fever, typhoid, water

Description: Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.