1. 2004-12-01 Re: [postgis-users] Guide to understanding GIS postgis-u Vishal Kashyap 2. 2004-11-24 RE: [postgis-users] Guide to understanding GIS postgis-u Benjamin Wragg 3. 2004-11-24 [postgis-users] Guide to understanding GIS postgis-u Vishal Kashyap