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1) The Soils That We Classify
2) Diagnostic Surface Horizons (Epipedons)
3) Diagnostic Subsurface Horizons
4) Other Diagnostic Soil Characteristics
5) Characteristics Diagnostic for Organic Soils
6) Thickness of Organic Soil Materials
7) Diagnostics for Both Mineral and Organic Soils
8) Classes of Soil Moisture Regimes
9) Particle-Size Classes
10) Mineralogy Classes
11) Cation-Exchange Activity Classes
12) Calcareous and Reaction Classes of Mineral Soils
13) Classes of Soil Temperature Regimes
14) Soil Temperature Classes
15) Soil Depth Classes
16) Rupture-Resistance Classes
17) Classes of Coatings (on Sands)
18) Classes of Permanent Cracks
19) Particle-Size Classes for Histosols and Histels
20) Mineralogy Classes for Histosols and Histels
21) Reaction Classes for Histosols and Histels
22) Soil Temperature Classes for Histosols and Histels
23) Soil Depth Classes for Histosols and Histels
24) Series Differentiae Within a Family
25) Designations for Horizons and Layers