Published June 15, 2011, 03:23 PM
Wildside: Uncovering the dirt on dirt
Many years ago, Milo Harpstead, my Soils professor at U.W. Stevens Point, began his lecture by informing us that the thin layer of topsoil that covers the planet’s land surface is the foundation of civilization. Dr. Harpstead instructed that there’s a big difference between soils and dirt. Dirt is soil out of place.By: Dan Wilcox, outdoor columnist, Pierce County Herald
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