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4. Selecting Soil Group

On the lower right, you can also select the hydrologic soil group. These four hydrologic soil groups were defined by the U.S. Department of Agriculture in 1955. Soil scientists group all soils in the U.S. into one of these four groups based on how the soils absorb and transmit water. There are also help bubbles here describing the soil types.

You can select from four hydrologic soil groups defined by the U.S. Department of Agriculture.
You can select from four hydrologic soil groups defined by the U.S. Department of Agriculture.
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