94 degrees 8 minutes 28 seconds W., NAD27. The thickness of the organic material ranges from 16 to 50 inches. It is derived primarily from herbaceous plants. The organic matter content ranges from 25 to 60 percent in the organic surface and 5 to 20 percent in the 2A horizon. The reaction of the organic material ranges from moderately acid to slightly alkaline.
Some organic layers contain free carbonates.
The O horizon has hue of 10YR, 5YR, or is neutral, value of 2 or 3 and chroma of 0 to 2. Some pedons have highly organic mineral plow layers. The 2A horizon has hue of 10YR, 2.5Y, 5Y or is neutral, value of 2 or 3 and chroma of 0 to 1. It is loam, silt loam, sandy clay loam, silty clay loam, clay loam or mucky modifiers of these textures. It is moderately acid to slightly alkaline.