BbC, BbD, BbF - Biffle

 BbC—Biffle gravelly silt loam, 5 to 15 percent slopes

Map Unit Setting

  • National map unit symbol: 2v59r

  • Elevation: 380 to 1,060 feet

  • Mean annual precipitation: 35 to 63 inches

  • Mean annual air temperature: 57 to 61 degrees F

  • Frost-free period: 173 to 232 days

  • Farmland classification: Not prime farmland

Map Unit Composition

  • Biffle and similar soils: 85 percent

  • Estimates are based on observations, descriptions, and transects of the mapunit.

Description of Biffle

Setting
  • Landform: Hillslopes

  • Landform position (two-dimensional): Summit

  • Landform position (three-dimensional): Nose slope

  • Down-slope shape: Convex

  • Across-slope shape: Convex

  • Parent material: Loamy residuum weathered from cherty limestone

Typical profile
  • A - 0 to 10 inches: gravelly silt loam

  • Bt - 10 to 32 inches: gravelly silty clay loam

  • Cr - 32 to 42 inches: bedrock

Properties and qualities
  • Slope: 5 to 15 percent

  • Depth to restrictive feature: 20 to 39 inches to paralithic bedrock

  • Natural drainage class: Somewhat excessively drained

  • Capacity of the most limiting layer to transmit water (Ksat): Very low to moderately high (0.00 to 0.60 in/hr)

  • Depth to water table: More than 80 inches

  • Frequency of flooding: None

  • Frequency of ponding: None

  • Salinity, maximum in profile: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm)

  • Available water storage in profile: Low (about 3.8 inches)

Interpretive groups
  • Land capability classification (irrigated): None specified

  • Land capability classification (nonirrigated): 4s

  • Hydrologic Soil Group: B

  • Hydric soil rating: No

BbD—Biffle gravelly silt loam, 15 to 30 percent slopes

Map Unit Setting

  • National map unit symbol: 2v59p

  • Elevation: 360 to 1,080 feet

  • Mean annual precipitation: 35 to 63 inches

  • Mean annual air temperature: 57 to 61 degrees F

  • Frost-free period: 173 to 232 days

  • Farmland classification: Not prime farmland

Map Unit Composition

  • Biffle and similar soils: 85 percent

  • Estimates are based on observations, descriptions, and transects of the mapunit.

Description of Biffle

Setting
  • Landform: Hillslopes

  • Landform position (two-dimensional): Backslope

  • Landform position (three-dimensional): Side slope

  • Down-slope shape: Linear

  • Across-slope shape: Convex

  • Parent material: Loamy residuum weathered from cherty limestone

Typical profile
  • A - 0 to 10 inches: gravelly silt loam

  • Bt - 10 to 32 inches: gravelly silty clay loam

  • Cr - 32 to 42 inches: bedrock

Properties and qualities
  • Slope: 15 to 30 percent

  • Depth to restrictive feature: 20 to 39 inches to paralithic bedrock

  • Natural drainage class: Somewhat excessively drained

  • Capacity of the most limiting layer to transmit water (Ksat): Very low to moderately high (0.00 to 0.60 in/hr)

  • Depth to water table: More than 80 inches

  • Frequency of flooding: None

  • Frequency of ponding: None

  • Salinity, maximum in profile: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm)

  • Available water storage in profile: Low (about 3.7 inches)

Interpretive groups
  • Land capability classification (irrigated): None specified

  • Land capability classification (nonirrigated): 6s

  • Hydrologic Soil Group: B

  • Hydric soil rating: No

BbF—Biffle gravelly silt loam, 30 to 60 percent slopes

Map Unit Setting

  • National map unit symbol: 2v59q

  • Elevation: 360 to 1,060 feet

  • Mean annual precipitation: 35 to 63 inches

  • Mean annual air temperature: 57 to 61 degrees F

  • Frost-free period: 173 to 232 days

  • Farmland classification: Not prime farmland

Map Unit Composition

  • Biffle and similar soils: 85 percent

  • Estimates are based on observations, descriptions, and transects of the mapunit.

Description of Biffle

Setting
  • Landform: Hillslopes

  • Landform position (two-dimensional): Backslope

  • Landform position (three-dimensional): Side slope

  • Down-slope shape: Linear

  • Across-slope shape: Linear

  • Parent material: Loamy residuum weathered from cherty limestone

Typical profile
  • A - 0 to 10 inches: gravelly silt loam

  • Bt - 10 to 32 inches: gravelly silty clay loam

  • Cr - 32 to 42 inches: bedrock

Properties and qualities
  • Slope: 30 to 60 percent

  • Depth to restrictive feature: 20 to 39 inches to paralithic bedrock

  • Natural drainage class: Somewhat excessively drained

  • Capacity of the most limiting layer to transmit water (Ksat): Very low to moderately high (0.00 to 0.60 in/hr)

  • Depth to water table: More than 80 inches

  • Frequency of flooding: None

  • Frequency of ponding: None

  • Salinity, maximum in profile: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm)

  • Available water storage in profile: Low (about 3.7 inches)

Interpretive groups
  • Land capability classification (irrigated): None specified

  • Land capability classification (nonirrigated): 7s

  • Hydrologic Soil Group: B

  • Hydric soil rating: No


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