Soil
Books
631.4 GUR Sand and soil / Beth Gurney.
631.4 STE Down to earth / by Melissa Stewart
Videos
631.4 All about soil [videorecording] / Schlessinger Media
631.4 Science of soil [videorecording]
Videos - United Streaming
Getting to Know Soil (23:00)
Videos - Warren County Media Center
Dirt: Nature's Sandbox (03617)
Websites
Soil Layers -Enchanted Learning.com
http://www.enchantedlearning.com/geology/soil/index.shtml
Soil Education/NRCS Soils
http://soils.usda.gov/education/