http://training.nwcg.gov/pre-courses/s244/s244.html

New S-244 Online course content.  Some of this material is not covered in the S-244 class as presented by CAL FIRE but is still good info!

 

http://gis.nwcg.gov/gstop/

Geospatial Task group

 

http://www.colorado.edu/geography/gcraft/notes/mapproj/mapproj_f.html

All about map projections

 

 

http://worldwind.arc.nasa.gov/features.html

NASA World Wind mapping and aerial/satellite imagery

 

http://earth.google.com/

Google Earth aerial photography and sattelite images

 

http://www.avenza.com/pdf-maps

This is the best thing to happen to mobile mapping since the recreational GPS

 

http://www.terragotech.com/products/terrago-toolbar

Although not as slick, this toolbar will add the same functionality to your desktop version of Adobe Reader as Avenza