1. Dep. of Agronomy Univ. of Wisconsin 1575 Linden Drive Madison WI 53706
2. Dep. of Agronomy Iowa State University 2104 Agronomy Hall Ames IA 50011
3. Dep. of Agronomy Purdue University 815 W. State Street W. Lafayette IN 47907
4. Dir. of Agric. Res. and Tech National Crop Insurance Services 8900 Indian Creek Parkway, Suite 600 Overland Park KS 66210‐1567