World Soil Day is Dec. 5th! To celebrate the importance of soil in our everyday lives, we sat down with well-known soil scientist, Karl Hausler, for an in-depth conversation about the origin of Michigan's State Soil, Kalkaska Sand. Kalkaska Sand was chosen as Michigan's state soil in 1990. It occurs in 29 of Michigan's 83 counties in both the lower and upper peninsulas.
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