IDENTIFIERS

  • Current Taxon Name (Soil Name): Lebeau
  • OSD
  • Series Extent
  • User Site ID: S1988LA097001
  • User Pedon ID: 88LA097001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 89P0044
  • NCSS Pedon Lab Data NASIS Record ID - 61149
  • Print Date: 4/24/2025

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 30.8158340
  • Std. Longitude: -92.1177750
  • Datum: WGS84
  • Location Description: St. Landry Parish, LA. 2 miles southwest of US 71 at Murrow, 2 miles south of Avoyelles Parish; Bunkie, LA 15 feet Quad; UTM zone 15, 3409200mN, 584500mE.
  • State: Louisiana
  • County: LA097—St. Landry
  • MLRA: 131—Southern Mississippi Valley Alluvium

    • PEDON

  • Describers Name: K. Murphy, J. Daigle
  • Current Taxonomic Class: Very-fine, smectitic, thermic Aquentic Chromuderts
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Lebeau
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Lebeau
  • Taxonomic Class - Very-fine, montmorillonitic, thermic Aquentic Chro
  • Taxon Kind - series
  • Classificaton Date - 8/1/1988
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Runoff: very low
  • Drainage Class: poorly
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1988 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    0—15

    —-
    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    1

    —

    —

    12

    —

    150

    —

    —

    20

    27

    12

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (7.5YR 4/2) clay; 11 percent reddish brown (5YR 4/4) coarse distinct mottles; massive; 5.5 fine roots throughout; 15 percent distinct , moist, black stains; fragments; abrupt smooth boundary. Lab sample # 89P00497. Black stains, charcoal; few black stains surface features; many fine roots throughout; common coarse distinct 5YR44 mottles; discontinuous - phpvsfiid 223743; discontinuous - phpvsfiid 223743
    Bw—15 to 41 centimeters (5.9 to 16.1 inches); brown (7.5YR 4/4) clay; 30 percent brown (7.5YR 4/2) medium and coarse faint mottles; weak medium prismatic structure; 5.5 fine roots throughout; 15 percent strong brown (7.5YR 5/8), moist, iron stains in root channels and/or pores; fragments; clear smooth boundary. Lab sample # 89P00498. some slickensides present; few iron stains surface features in root channels and/or pores; many fine roots throughout; many medium and coarse faint 7.5YR42 mottles
    Bkss—41 to 81 centimeters (16.1 to 31.9 inches); dark reddish brown (2.5YR 3/4) clay; 30 percent gray (5YR 5/1) medium and coarse prominent mottles; moderate coarse wedge structure; 0.5 medium and coarse roots and 2.5 fine roots; distinct dark gray (5YR 4/1), moist, iron stains in root channels and/or pores and 15 percent , moist, slickensides (pedogenic); 11 percent medium spherical lime masses; fragments; clear smooth boundary. Lab sample # 89P00499. common medium soft masses of lime concentrations; few intersecting slickensides surface features; few medium and coarse roots; common fine roots; many medium and coarse prominent 5YR51 mottles; continuous - phpvsfiid 223745; continuous - phpvsfiid 223745
    Bkssb—81 to 112 centimeters (31.9 to 44.1 inches); reddish brown (5YR 4/4) clay; moderate very coarse wedge structure; 2.5 fine roots; 15 percent , moist, slickensides (pedogenic); 1 percent gypsum crystals, unspecified and 11 percent medium spherical lime masses; fragments; gradual wavy boundary. Lab sample # 89P00500. pockets of gypsum crystals; major ss surfaces average 35 cm across, 10-12 cm apart, roughly parallel; common medium soft masses of lime concentrations; few gypsum crystals concentrations; few intersecting slickensides surface features; common fine roots; continuous - phpvsfiid 223747; continuous - phpvsfiid 223747
    Bkssyb1—112 to 140 centimeters (44.1 to 55.1 inches); reddish brown (5YR 4/4) clay; 30 percent gray (5YR 5/1) medium and coarse faint mottles; moderate very coarse wedge structure; 15 percent , moist, slickensides (pedogenic); 1 percent gypsum crystals, unspecified and 1 percent medium spherical lime masses; fragments; gradual wavy boundary. Lab sample # 89P00501. mottles mainly in root channels, smeared away from channels along slickensides; roots flattened between pressure faces; few gypsum crystals concentrations; few medium soft masses of lime concentrations; few intersecting slickensides surface features; many medium and coarse faint 5YR51 mottles; continuous - phpvsfiid 223748; continuous - phpvsfiid 223748
    Bkssyb2—140 to 191 centimeters (55.1 to 75.2 inches); dark reddish brown (2.5YR 3/4) clay; 11 percent dark gray (N 4/0) medium and coarse prominent mottles; 15 percent , moist, slickensides (pedogenic); 11 percent gypsum crystals, unspecified and 1 percent medium spherical lime masses; fragments; gradual wavy boundary. Lab sample # 89P00502. large polished and grooved slickensides, 20-70 degrees from horizontal; many shiney pressure faces; N4 color smeared away from root channels along slickensides; roots flattened between pressure faces; few medium soft masses of lime concentrations; common gypsum crystals concentrations; few intersecting slickensides surface features; common medium and coarse prominent N40 mottles; continuous - phpvsfiid 223749; continuous - phpvsfiid 223749
    Bkssyb3—191 to 257 centimeters (75.2 to 101.2 inches); dark reddish brown (2.5YR 3/4) clay; 11 percent gray (5YR 5/1) medium prominent mottles; 15 percent , moist, manganese or iron-manganese stains; 30 percent lime masses and 30 percent gypsum crystals, unspecified; fragments. Lab sample # 89P00503. all natural faces are pressure faces; large polished and grooved ss, 20-70 degrees from horizontal sampled 191-225 cm, gypsum crystals in pockets and streaks; many soft masses of lime concentrations; many gypsum crystals concentrations; few manganese or iron-manganese stains surface features; common medium prominent 5YR51 mottles
    B'kss—257 to 274 centimeters (101.2 to 107.9 inches); dark reddish brown (2.5YR 3/4) silty clay; 11 percent gray (N 5/0) medium and coarse prominent mottles; 2 percent , moist, slickensides (pedogenic); 1 percent spherical iron-manganese masses; 11 percent medium spherical lime masses; fragments. Lab sample # 89P00504. common shiney pressure faces; common medium soft masses of lime concentrations; few soft masses of iron-manganese concentrations; very few intersecting slickensides surface features; common medium and coarse prominent N50 mottles
    B'gb—274 to 328 centimeters (107.9 to 129.1 inches); gray (5Y 5/1) clay; 11 percent strong brown (7.5YR 5/6) medium prominent and 30 percent yellowish brown (10YR 5/6) medium prominent and 30 percent yellowish brown (10YR 5/8) medium prominent mottles; 2 percent , moist, slickensides (pedogenic); fragments. Lab sample # 89P00505. water at 327 cm, buried Perry soil; very few intersecting slickensides surface features; common medium prominent 7.5YR56 mottles; many medium prominent 10YR56 mottles; many medium prominent 10YR58 mottles
    B'wb—328 to 465 centimeters (129.1 to 183.1 inches); reddish brown (5YR 4/4) clay; 11 percent gray (5YR 5/1) medium prominent mottles; 2 percent , moist, slickensides (pedogenic); fragments. Lab sample # 89P00506. 5 cm thick band of CaCO3 segregations at 366 cm; very few intersecting slickensides surface features; common medium prominent 5YR51 mottles