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Download and install this update to ensure the highest-quality experience when working with ArcGIS 9.3.

New version of ArcGIS for AutoCAD offers support for AutoCAD 2009. Download the free plug-in.

Woods Hole Research Center uses automated GIS process to create a snapshot of biomass and carbon in U.S. forests.

ESRI ArcGIS 9.3 Seminars—Free: September–December 2008 · Worldwide
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ESRI ArcGIS Server 9.3 Seminars: September–December 2008 · Nationwide
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ESRI Asia Pacific User Conference: January 20–21, 2009 · Singapore City, Singapore
ESRI Federal User Conference: February 18–20, 2009 · Washington, D.C.
ESRI Developer Summit: March 23–26, 2009 · Palm Springs, CA