Map Unit Composition
Map units consist of 1 or more soil types, commonly referred to as "components".
Component Name Geomorphic Position Area Fraction Component Type Horizon Data
Soil Type 1 Kirbyville flats 60% Major Soil Type YES
Soil Type 2 Niwana flats 25% Major Soil Type YES
Soil Type 3 Guyton depressions 8% Inclusion Similar Data [2] *
Soil Type 4 Caddo depressions 7% Inclusion Similar Data [1] *

Note: links to horizon data marked with an * are approximate.

Map Unit Data What is a Map Unit?
Cartographic information about this map unit.
Map Unit Name: Kirbyville-Niwana complex
Map Unit Type: Complex
Map Unit Symbol: KcB
Map Unit Area: 55824 acres total in survey area
Raw Map Unit Data
Raw Component Data (All Components)

Map Unit Aggregated Data
Generalized soils information within this map unit.
Farmland Class: All areas are prime farmland
Available Water Storage (0-100cm): 15.81 cm
Max Flood Freq: None
Drainage Class (Dominant Condition): Somewhat poorly drained
Drainage Class (Wettest Component): Somewhat poorly drained
Hydric Conditions: 15
[Annual] Min. Water Table Depth: 61 cm
[April-June] Min. Water Table Depth: 61 cm
Min Bedrock Depth: n/a
Raw Aggregated Map Unit Data

Associated Point Data
Links to any NSSL point data within this map unit.
1. Beauregard (81LA115001) [Lab Data] | [Pedon Description]
2. Malbis (82LA115001C) [Lab Data] | [Pedon Description]
3. Niwana (89LA115029) [Lab Data] | [Pedon Description]
4. Kirbyville (89LA115030) [Lab Data] | [Pedon Description]
5. Merryville (90LA115026) [Lab Data] | [Pedon Description]