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Natural Bridges National Monument
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Seedling in Biological Soil Crust  

Did You Know?
The dirt is alive! A living crust called "Biological Soil Crust" covers much of Utah's canyon country. Composed of algae, lichens and bacteria, this crust provides a secure foundation for desert plants. Please stay on roads and trails to avoid trampling this important resource.

Last Updated: July 25, 2006 at 00:23 EST