SEWAGE DISPOSAL ON THE FARM,
Reading edition
AND
THE PROTECTION OF DRINKING WATER.
BY
THEOBALD SMITH, M. D.,
Professor in Harvard University, Pathologist to the Massachusetts State Board of Health, etc.
WASHINGTON: GOVERNMENT PRINTING OFFICE. 1896.
Reading edition
AND
THE PROTECTION OF DRINKING WATER.
BY
THEOBALD SMITH, M. D.,
Professor in Harvard University, Pathologist to the Massachusetts State Board of Health, etc.
WASHINGTON: GOVERNMENT PRINTING OFFICE. 1896.