1. USDA-ARS; Engineering and Wind Erosion Research Unit; 1515 College Ave Manhattan KS 66502
2. USDA-ARS; National Soil Erosion Research Lab.; 275 S. Russell St. West Lafayette IN 47907
3. Institute of Soil, Water and Environmental Sciences, ARO; The Volcani Center; P.O. Box 6 Bet Dagan 50250 Israel