June 1, 2001 - afternoon - Davis, CA
March 5-6, 2008 "Using GeoWeed to Map Weeds"
Nov 16, 2007. "GeoWeed Demonstration"
Sept 20-22, 2007. GeoWeed Poster presentation
July 14, 2007 "GeoWeed and Invasive Weed Management"
Jan 15-16, 2007 "GeoWeed for Weed Managers"
