Ehlers, Victor Marcus, 1844-1959.
Municipal and rural sanitation [by] Victor M. Ehlers [and] Ernest W. Steel. - 6th ed. - New York, McGraw-Hill 1965 - vi, 663p. illus. 24 cm. - McGraw-Hill series in sanitary science and water resources engineering .
Sanitation.
Sanitary engineering.
Public health.
Rural health.
624 / EHL/1965
Municipal and rural sanitation [by] Victor M. Ehlers [and] Ernest W. Steel. - 6th ed. - New York, McGraw-Hill 1965 - vi, 663p. illus. 24 cm. - McGraw-Hill series in sanitary science and water resources engineering .
Sanitation.
Sanitary engineering.
Public health.
Rural health.
624 / EHL/1965