Campbell, John D.  1905- <br/><br/>
Power expenses of cotton gins by types of power :  Arkansas, Oklahoma, and Texas / 
by J.D. Campbell. 
 - Washington, D.C. :  Farmer Cooperative Service, U.S. Dept. of Agriculture,  1962. 
 - iv, 47 p. :  ill. ;  26 cm. 
 - Marketing research report ;  no. 520 .
<br/><br/> Cover title. 
<br/><br/>bibliographical references. 
<br/><br/><label>LCCN: </label>agr62000204  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cotton gins and ginning--Costs.--Arkansas<br/>Cotton gins and ginning--Costs.--Oklahoma<br/>Cotton gins and ginning--Costs.--Texas<br/>Power resources.
<br/><br/><label>LC Class. No.: </label>HD1751  / .A9183 no. 520 
<br/><br/><label>National Agricultural Library Call No.: </label>1  / Ag84Mr no.520