http://blogs.esri.com/Info/blogs/geographymatters/archive/2009/04/21/celebrate-arbor-day-with-gis-friday-april-24-2009.aspxArbor Day is a nationally-celebrated observance that encourages tree planting and care. Did you know that GIS technology is used as a tool to manage data about trees? Here's how a few organizations around the world have employed GIS to do just that: GISenCommunityServer 2.1 SP2 (Debug Build: 61120.2)