Handbook of agricultural charts 

 - Washington, D.C.      USDA 
 -  ill., figs.;  25 cm. 
 -  1974(No.477); 1975(No.491); 1976(No.504) .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural statistics--United States--Statistics<br/>Agriculture--United States
<br/><br/><label>Dewey Class. No.: </label>630.31  / USDA