Jensen, Emil C. <br/><br/>
Sewage collection and treatment works in the state of Washington 
by Emil C. Jensen and Joshua H. Vogel 
 - Washington  Bureau of Governmental Research and Services  1949 
 - 105p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage disposal<br/>Sewerage --Washington (State)
<br/><br/><label>Dewey Class. No.: </label>X81x797 J453