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BLM NSTC Soil Biological Communities for Kids
[ Kids/Teens ] Learn all about soil and the things that live in it.
The Dirt on Soil
[ Teens/Mature Teens ] Explore soil ecology, meet microscopic creatures, and journey underground in the virtual reality voyage of the Earthship. From the Discovery Channel school.
The Twelve Soil Orders
[ Teens/Mature Teens ] This system for classifying soils is one of the most widely used soil classification systems in the world. Includes a collection of information and images to illustrate the distribution, properties, ecological significance, and use of these 12 soil orders.
Last update:November 24, 2013 at 23:43:02 UTC
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