Shumway , C. Richard  <br/><br/>
Production costs and Yields of California Field Crops and Vegetables by Area , Average 1961-65 and Projected 1980 
C. Richard Shumway and Harold M Stults 
 - Berkeley, California :  Giannini Foundation of Agricultural Economics, University of California,  1970. 
 - vi ,82 p. :  ills , maps , graphs ;  26.5 cm 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural production--California<br/>Farm management--California<br/>Agricultural forecasting--California
<br/><br/><label>Dewey Class. No.: </label>630.31 Ca  / SHU