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Notes:

Each soil horizon/layer (including organic horizons) must have the color recorded. Some horizons have more than one matrix color (not redox features) such as transitional or combination horizons (A/B, BC). In this case estimate the percentages of each color. Note the soil color location (ped face, ped interior, etc.) and other patterns. Organic horizons are often described fresh out of the pit, then a rubbed color or color after exposure to air.