A B C D E F G H I J-K L M N O P Q-R S T U V W-Y
close this section of the libraryAgriculture Economic aspects South Dakota.(1)
View the documentEffect of alternative wheat and feed grain prices on optimum farm plans and income in central South Dakota : Brown and Spink Counties / . Ullrich, Erwin O. 4n Brookings : Agricultural Experiment Station, South Dakota State University, 1971.