Photo Science is a nationally recognized provider of customized, on-site GIS training, specializing in ESRI, AutoCAD, and Intergraph software. Since 1990, more than 400 students have been trained by our staff. We have also developed many custom data-specific course instructions. In fact, one of our Senior GIS Specialist authored Inside ArcView GIS 8.3. This 500-page published user manual is considered in the industry to be one of the most comprehensive ArcView guides available today.