For use in all LRRs, except for W, X, and Y.
A gleyed matrix that occupies 60 percent or more of a layer starting at a depth of 30 cm (12 inches) or less from the soil surface (fig. 29).
User Notes: Gley colors are not synonymous with gray colors. They are the colors on the gley color pages of the “Munsell Soil Color Book” (X-Rite, 2009) that have hue of N, 10Y, 5GY, 10GY, 5G, 10G, 5BG, 10BG, 5B, 10B, or 5PB and value of 4 or more. The gleyed matrix only has to be present at a depth of 30 cm (12 inches) or less from the soil surface, and there is no thickness requirement for the layer.