Free Earth Systems Materials:

1. •Earth Online: an Internet Guide for Earth Science
   

2. •The Physical Environment: an Introduction to Physical Geography, 2/e
   

3. • The Physical Environment Podcast
   

4. •Google Earth Indian Peaks Virtual Field Trip (Ver. 1.0)
   

5. •Google Earth Topographic Map Overlays
   

Public Blogs:

1. •The Digital Professor
   

2. •The Physical Environment
   

3. •Earth Online
   

Web Projects:

1. •Wisconsin Image Server
   

2. •Geological Features of Wisconsin (Wiki Book)
   

In Development:

1. •Exploring Tectonic Boundary Features with Google Earth