IDENTIFIERS

  • Current Taxon Name (Soil Name): Sawtown
  • OSD
  • Series Extent
  • User Site ID: S2012LA017005
  • User Pedon ID: S2012LA017005
  • Vegetation Plot ID: S2012LA017005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 2012LA017005
  • Print Date: 12/9/2025

    • 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: 32.1985444
  • Std. Longitude: -93.9608694
  • Datum: WGS84
  • Map Unit: 37A—Metcalf-Timpson complex
  • State: Louisiana
  • County: LA017—Caddo
  • MLRA: 133B—Western Coastal Plain
  • 7.5 Minute USGS Quad: 32093-B8—Keatchie, Louisiana

    • PEDON

  • Describers Name: Alan Peer, Marc Bordelon, Joel Bolin, Don Sabo, Ricky Lambert, Sara Russell, Dennis Brezina
  • Current Taxonomic Class: Fine-loamy, mixed, semiactive, thermic Oxyaquic Paleudults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Correlated Information:
  • Soil Name - Sawtown
  • PSC - 57 to 107 cm.
  • Classificaton Date - 7/29/2014
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Timpson
  • Classificaton Date - 5/24/2012
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: moderately weathered, loamy colluvium derived from sedimentary rock over moderately weathered, clayey residuum weathered from sandstone and shale
  • Landscape: coastal plain
  • Landform: interfluve
  • Microfeature: pimple mound
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: well
  • Geology: Wilcox Group formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/24/2012 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - crop trees
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    CAAM2

    LIST2

    PAQU2

    PITA

    QUERC

    TORA2

    ULMUS

    Callicarpa americana

    Liquidambar styraciflua

    Parthenocissus quinquefolia

    Pinus taeda

    Quercus

    Toxicodendron radicans

    Ulmus

    American beautyberry

    sweetgum

    Virginia creeper

    loblolly pine

    oak

    eastern poison ivy

    elm

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    redox concentrations

    argillic horizon

    redox depletions with chroma 2 or less

    glossic horizon

    aquic conditions

    reduced matrix

    0—57

    26—200

    57—200

    90—142

    112—200

    112—200

    142—200

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    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

    2.8

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    92.1

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    A—0 to 9 centimeters (0.0 to 3.5 inches); brown (10YR 4/3) fine sandy loam; moderate fine granular structure; soft, very friable, nonsticky, nonplastic; 2.0 very fine roots throughout and 2.0 medium roots throughout and 2.0 fine roots throughout; 2.0 very fine low-continuity interstitial and 2.0 fine low-continuity interstitial pores; fragments; clear smooth boundary. Lab sample # 12N03668
    E—9 to 26 centimeters (3.5 to 10.2 inches); yellowish brown (10YR 5/4) fine sandy loam; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine roots throughout and 2.0 fine roots throughout; 1.0 very fine low-continuity interstitial and 1.0 fine low-continuity interstitial pores; fragments; clear smooth boundary. Lab sample # 12N03669
    BE—26 to 57 centimeters (10.2 to 22.4 inches); 80 percent yellowish brown (10YR 5/4) and 20 percent yellowish brown (10YR 5/6) fine sandy loam; weak medium subangular blocky structure; soft, friable, nonsticky, nonplastic; 1.0 very fine roots throughout and 1.0 medium roots throughout and 2.0 fine roots throughout; 1.0 very fine low-continuity tubular pores; 1 percent medium distinct irregular noncoherent cemented strong brown (7.5YR 5/8), moist, masses of oxidized iron with sharp boundaries in matrix; fragments; gradual wavy boundary.
    Bt—57 to 90 centimeters (22.4 to 35.4 inches); yellowish brown (10YR 5/6) sandy clay loam; moderate medium subangular blocky structure; moderately hard, firm, slightly sticky, slightly plastic; 1.0 very fine roots between peds and 1.0 fine roots between peds; 1.0 medium low-continuity tubular and 1.0 fine low-continuity tubular pores; 1 percent distinct pale brown (10YR 6/3), moist, skeletans on all faces of peds and 15 percent distinct yellowish brown (10YR 5/6), moist, clay films on all faces of peds; 10 percent coarse prominent irregular noncoherent cemented reddish brown (5YR 4/4), moist, masses of oxidized iron with sharp boundaries in cracks; fragments; gradual wavy boundary. Lab sample # 12N03671. continuous - phpvsfiid 830006; patchy - phpvsfiid 830007; continuous - phpvsfiid 830006; patchy - phpvsfiid 830007
    B/Et—90 to 112 centimeters (35.4 to 44.1 inches); 95 percent yellowish brown (10YR 5/4) and 5 percent very pale brown (10YR 7/3) sandy clay loam; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 1.0 very fine roots between peds; 1.0 medium low-continuity tubular and 1.0 fine low-continuity tubular pores; 15 percent distinct yellowish brown (10YR 5/4), moist, clay films on all faces of peds; 3 percent coarse prominent irregular very weakly coherent cemented red (2.5YR 4/6), moist, plinthite nodules with sharp boundaries in matrix and 8 percent coarse prominent irregular noncoherent cemented yellowish red (5YR 5/6), moist, masses of oxidized iron with sharp boundaries in matrix and 10 percent coarse distinct irregular noncoherent cemented gray (10YR 6/1), moist, iron depletions with clear boundaries infused into matrix along faces of peds; fragments; 5 percent albic tongues (volume percent); gradual wavy boundary. Lab sample # 12N03672. continuous - phpvsfiid 830008; continuous - phpvsfiid 830008
    B/Etg—112 to 142 centimeters (44.1 to 55.9 inches); 80 percent yellowish brown (10YR 5/6) and 20 percent light brownish gray (10YR 6/2) sandy clay loam; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 1.0 very fine roots between peds and 2.0 fine roots between peds; 1.0 medium low-continuity tubular and 3.0 fine low-continuity tubular pores; 20 percent distinct yellowish brown (10YR 5/6), moist, clay films on all faces of peds; 1 percent coarse prominent irregular very weakly coherent cemented red (2.5YR 4/6), moist, plinthite nodules with sharp boundaries in matrix and 10 percent coarse prominent irregular noncoherent cemented red (2.5YR 4/6), moist, masses of oxidized iron with sharp boundaries in matrix and 10 percent coarse distinct irregular noncoherent cemented gray (10YR 6/1), moist, iron depletions with clear boundaries infused into matrix along faces of peds; fragments; 20 percent albic tongues (volume percent); gradual wavy boundary. continuous - phpvsfiid 830009; continuous - phpvsfiid 830009
    B/Etg—142 to 200 centimeters (55.9 to 78.7 inches); 77 percent gray (10YR 6/1) and 23 percent light gray (10YR 7/2) sandy clay loam; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 0.1 very fine roots between peds; 2.0 very fine low-continuity tubular and 2.0 medium low-continuity tubular pores; 20 percent distinct gray (10YR 6/1), moist, clay films on all faces of peds; 15 percent coarse prominent irregular noncoherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix and 25 percent coarse prominent irregular noncoherent cemented red (2.5YR 4/6), moist, masses of oxidized iron with sharp boundaries in matrix; fragments; 23 percent albic tongues (volume percent). continuous - phpvsfiid 830010; continuous - phpvsfiid 830010