Rockey, John Wesley,  1909- <br/><br/>
Sewage and garbage disposal on the farm ... 

 - [Washington,  U.S. Govt. print. off.,  1946] 
 - 1 p. l., 28 p.  ill. 
 - United States. Dept. of Agriculture. Farmers' bulletin  no. 1950 .
 - United States.  Department of Agriculture.  Farmers' bulletin  no. 1950. .
<br/><br/> "By J. W. Rockey ... and J. W. Simons." - p. 1.  Contribution from Bureau of plant industry, soils and agricultural engineering.  "Issued March 1944; revised June 1946." 
<br/><br/><label>LCCN: </label>agr46000139  
<br/><br/><label>LC Class. No.: </label>S21  / .A6 rev. no. 1950 
<br/><br/><label>National Library of Medicine Call No.: </label>W6  / P3 v.5747