It is impossible at this late date to explain why the USDA organization in effect at that time failed to function to prevent the 1970 disaster. Genetic vulnerability of major crops. The Southern Corn Leaf Blight Epidemic. Agriculture, genetics, and the fate of the world's food supply. National Academy Press 205p.
Monkey tests spark safety review.
Information for Decision Makers. Toenniessen, G.H., letter to Bruce M. Pollock dated October 16, 1991.