PKEFACE vii 



To Professor W. J. Spillman, head of the Office of Farm 

 Management, United States Department of Agriculture, 

 and C. Beaman Smith of the same office, Dean F. B. 

 Mumford of the Missouri College of Agriculture, and Dean 

 E. Davenport and Professor Herbert W. Mumford of the 

 Illinois College of Agriculture, the author wishes to acknowl- 

 edge his indebtedness, extend his most sincere thanks, and 

 express his appreciation of their kind and invaluable criti- 

 cism of the manuscript and their suggestions for its im- 

 provement. The publication of the book was made possible, 

 to a large degree, through the kindness and generosity of 

 these men. 



All the photographs not labeled were taken by the author, 

 and are used here by the courtesy of the Office of Farm 

 Management, United States Department of Agriculture. 

 Where otherwise stated, they were loaned through the 

 kindness of J. V. Henley of Greencastle, Missouri. To 

 both parties the author wishes to express his appreciation. 



D. HOWARD DOANE 



