Regional Changes in Corn Production in the United States from 1909 to 1949; A dissertation submitted to the faculty of the Division of the Social Sciences in candidacy for the degree of Doctor of Philosophy.

Chicago: The University of Chicago, 1955. vii, 78p., charts and tables, text reproduced from keyboard-set mss, softbound in 9x6 inch plain printed grey wraps. Mildly edgeworn, entirely clean and sound, a very good copy. Department of Geography research paper no. 40.

Presumably professor Grotewold's first book.

Cat.No: 185995

Price: $17.00