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Soil Geography Hierarchy Diagrams

Land Resource Hierarchy

Land Resource Hierarchy in detail.

Land Resource Regions (LRR)
Major Land Resource Areas (MLRA)
Land Resource Units (LRU)
General Soil Map
Detailed Soil Map
Soil Series
Soil Pedon

Agroecological Hierachy

Agroecological Hierarchy in detail.

Common Ecological Regions (CER)
Major Land Resource Areas (MLRA)
Common Resource Areas (CRA)
General Soil Map
Detailed Soil Map
Soil Series
Soil Pedon