DIRT!

12 soil orders of the world: http://soils.cals.uidaho.edu/soilorders/

A common soil in Georgia is Ultisols (http://facstaff.gpc.edu/~pgore/Earth&Space/GPS/soil.html).


http://wapi.isu.edu/envgeo/EG2_earth/images/ULTISOLFLA.jpg

A soil map of Georgia:
http://csat.er.usgs.gov/statewide/large/statsgo.png

The Munsell Soil Chart:
http://soil.gsfc.nasa.gov/pvg/munsell.htm

Soil Texture Diagram:
http://www.jsu.edu/dept/geography/mhill/phylabtwo/lab12/soiltextdiag.html

Now you know about DIRT!