IDENTIFIERS

  • Current Taxon Name (Soil Name): Austin
  • OSD
  • Series Extent
  • User Site ID: S2009TX3090011
  • User Pedon ID: S09TX3090011
  • Vegetation Plot ID: S2009TX3090011
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 09N0993
  • NCSS Pedon Lab Data NASIS Record ID - 24592
  • Print Date: 2/16/2025

    • 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: 31.8258858
  • Std. Longitude: -97.0807648
  • Datum: WGS84
  • State: Texas
  • County: TX309—McLennan
  • MLRA: 86A—Texas Blackland Prairie, Northern Part
  • Non-MLRA Soil Survey Area: TX309—McLennan County, Texas
  • 7.5 Minute USGS Quad: 31097-G1—West, Texas

    • PEDON

  • Describers Name: Richard Reid, Travis Waiser, Paul Holland
  • Current Taxonomic Class: Fine-silty, carbonatic, thermic Udorthentic Haplustolls
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: research site
  • Pedon Record Orgin: PedonPC
  • Pedon #: 11
  • Correlated Information:
  • Soil Name - Austin
  • PSC - 25 to 56 cm.
  • Classificaton Date - 1/21/2010
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Austin
  • Taxonomic Class - Fine-silty, carbonatic, thermic Udorthentic Haplus
  • Taxon Kind - series
  • Classificaton Date - 3/4/2009
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from limestone
  • Landscape: dissected plains
  • Landform: plain
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Bedrock: moderately coherent slight weathered limestone, unspecified at 56cm with 10 to <45
  • Geology: Kau formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/4/2009 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • 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

    BOISS

    CYDA

    Bothriochloa ischaemum var. songarica

    Cynodon dactylon

    yellow bluestem

    Bermudagrass

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    bedrock, lithic

    moderately coherent

    indurated

    56 - 88

    88 -

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

    mollic epipedon

    cambic horizon

    paralithic contact

    lithic contact

    0—34

    34—56

    56—88

    88—

    —-

    —-

    —-

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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

    1.5

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    —

    200

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    Ap—0 to 11 centimeters (0.0 to 4.3 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; clay loam; moderate medium subangular blocky parts to weak coarse subangular blocky structure; soft, friable, slightly sticky, moderately plastic; 6.0 very fine roots throughout and 2.0 fine roots throughout; 0.5 very fine pores; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 09N03774; dry when described; observed in trench
    Bw—11 to 34 centimeters (4.3 to 13.4 inches); dark yellowish brown (10YR 4/4), dark yellowish brown (10YR 4/4), moist; silt loam; weak fine subangular blocky structure; soft, friable, slightly sticky, moderately plastic; 5.0 very fine roots throughout and 2.0 fine roots throughout; 0.5 very fine pores; nonflat subangular strongly coherent cemented 12-45-100 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 09N03775; dry when described; observed in trench
    Bk—34 to 56 centimeters (13.4 to 22.0 inches); very pale brown (10YR 7/3), light yellowish brown (10YR 6/4), moist; silt loam; weak fine subangular blocky structure; soft, friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 2.0 fine roots throughout; 1.0 very fine pores; 2 percent medium carbonate concretions; 15 percent by volume flat subangular weakly coherent cemented 5-10-20 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 09N03776; dry when described; observed in trench
    Crk—56 to 88 centimeters (22.0 to 34.6 inches); 10 percent brownish yellow (10YR 6/6) and yellow (10YR 7/6), 10 percent brownish yellow (10YR 6/6) and yellow (10YR 7/6), moist; silt loam; structureless massive; extremely hard, rigid; 0.5 very fine roots throughout; 3 percent coarse platy noncoherent cemented carbonate masses; fragments; violent effervescence, by hcl, 1n; abrupt wavy boundary. Lab sample # 09N03777; dry when described; observed in trench
    R—88 centimeters (34.6 inches); yellow (10YR 7/6), yellow (10YR 7/6), moist; structureless massive; rigid, rigid; fragments; violent effervescence, by hcl, 1n.; dry when described; observed in trench