Loamy and Clayey Soils

All mineral layers above any of the F indicators except for indicators F8, F12, F19, and F20 have dominant chroma 2 or less, or the layer(s) with dominant chroma of more than 2 is less than 15 cm (6 in.) thick. 

Loamy Mucky Mineral. For use in all LRRs except N, R, S, V, W, X, and Y, those using A7 (LRRs P, T, U, and Z) and MLRA 1 of LRR A. A layer of mucky-modihed loamy or clayey soil material 10 cm (4 in.) or more thick starting within 15 cm (6 in.) of the soil surface. 

Depleted Below Dark Surface. This indicator is now indicator All (Depleted Below Dark Surface). 

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