00678cam a2200217 4500 BD-DhSAU 6571 BD-DhSAU 20150510112604.0 731108s1969 iaua rbs 001 0 eng BD-DhSAU 338.1 22 THP Thomas, Gerald W. Progress and change in the agricultural industry : an overview / by Gerald W. Thomas Dubuque, Iowa : Kendall/Hunt Pub. Co., c1969. xvi, 178 p. : ill. ; 23 cm. $5.95 Includes bibliographical references and index. joy Agriculture Economic aspects United States. Agronomy. ddc BOOK 6571 6571 0 0 ddc 0 1 REF BD-DhSAU BD-DhSAU REF 1978-07-05 0 338.1 THP 682 2015-05-10 00:00:00 2015-05-10 BOOK