Ehlers, Victor M.  1884-1959 <br/><br/>
Municipal and rural sanitation / 
[by] Victor M. Ehlers [and] Ernest W. Steel. 
 - Fifth edition. 
 - xii, 596 pages :  illustrations ;  24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public Health<br/>Sanitary engineering<br/>Sanitation
<br/><br/><label>National Library of Medicine Call No.: </label>WA 670  / E33m 1958