Browsing by Author "Helgeson, Del"
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Item The Grain Industry -country Elevators, Grain Marketing and Transportation(North Dakota State University, 1984) Griffin, Gene; Ming, Dennis; Herlsgaard, Thor; Helgeson, Del; Cobia, David W.; Koo, Won W.; Zink, Dan; Wilson, William W.Item Red Food Colorant Extract Derived From Purple-Hulled Sunflower(North Dakota State University, 1991) Lindley, James; Holm, Edna; Hettiarachchy, Navam; Helgeson, Del; Hanzel, J.; Golz, J.; Wiesenborn, Dennis P.