IDENTIFIERS

  • Current Taxon Name (Soil Name): Stegall
  • OSD
  • Series Extent
  • User Site ID: S2011TX501008
  • User Pedon ID: S2011TX501008
  • Vegetation Plot ID: S11TX501008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 11N0474
  • NCSS Pedon Lab Data NASIS Record ID - 47562
  • Print Date: 11/23/2024

    • 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: 33.2396698
  • Std. Longitude: -102.9139328
  • Datum: WGS84
  • State: Texas
  • County: TX501—Yoakum
  • MLRA: 77C—Southern High Plains, Southern Part
  • 7.5 Minute USGS Quad: 33102-B8—Plains NW, Texas

    • PEDON

  • Describers Name: Craig Byrd, Seth Sowder, Todd Carr,Alain Basurco
  • Current Taxonomic Class: Fine, mixed, superactive, thermic Petrocalcic Paleustolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Correlated Information:
  • Soil Name - Stegall
  • PSC - 16 to 61 cm.
  • Classificaton Date - 3/30/2012
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Stegall
  • Classificaton Date - 4/20/2011
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Parent Material: loamy eolian deposits
  • Landscape: plateau
  • Landform: plain
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Geology: Blackwater Draw formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/20/2011 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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

    BOGR2

    BUDA

    ECTE

    PRGLT

    Bouteloua gracilis

    Buchloe dactyloides

    Echinocactus texensis

    Prosopis glandulosa var. torreyana

    blue grama

    buffalograss

    horse crippler

    western honey mesquite

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

    petrocalcic

    indurated

    80 - 106

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

    mollic epipedon

    argillic horizon

    calcic horizon

    petrocalcic horizon

    calcic horizon

    0—61

    16—61

    61—80

    80—106

    106—203

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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

    0.3

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    A—0 to 16 centimeters (0.0 to 6.3 inches); brown (7.5YR 4/2), dark brown (7.5YR 3/2), moist; loam; 20 percent clay; moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; moderate excavation difficulty; 4.0 very fine roots throughout and 4.0 fine roots throughout; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary.
    Bt—16 to 61 centimeters (6.3 to 24.0 inches); brown (7.5YR 4/3), dark brown (7.5YR 3/3), moist; clay loam; 38 percent clay; weak coarse prismatic parts to strong medium angular blocky structure; hard, firm, very sticky, very plastic; high excavation difficulty; 2.0 very fine roots throughout and 2.0 fine roots throughout; 30 percent distinct clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; clear wavy boundary. continuous - phpvsfiid 553540; continuous - phpvsfiid 553540
    Bkk—61 to 80 centimeters (24.0 to 31.5 inches); brown (7.5YR 5/3), brown (7.5YR 4/3), moist; extremely gravelly loam; 14 percent clay; weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; moderate excavation difficulty; 3.0 very fine roots throughout and 1.0 medium roots throughout and 3.0 fine roots throughout; 25 percent carbonate, finely disseminated throughout and 30 percent fine distinct spherical strongly coherent cemented carbonate nodules in matrix; 18 percent by volume nonflat subrounded indurated 76-?-254 millimeter petrocalcic fragments fragments and 50 percent by volume nonflat subrounded indurated 2-?-75 millimeter petrocalcic fragments fragments; violent effervescence, by hcl, 1n; clear wavy boundary.
    Bkkm—80 to 106 centimeters (31.5 to 41.7 inches); white (7.5YR 8/1), white (7.5YR 8/1), moist; cemented material; structureless massive; carbonates present; extremely high excavation difficulty; fragments; violent effervescence, by hcl, 1n; clear wavy boundary.
    BCkk—106 to 203 centimeters (41.7 to 79.9 inches); reddish yellow (7.5YR 6/6), strong brown (7.5YR 5/6), moist; extremely gravelly fine sandy loam; 11 percent clay; structureless massive; soft, very friable, nonsticky, nonplastic; extremely high excavation difficulty; 20 percent carbonate, finely disseminated throughout and 20 percent fine distinct irregular moderately coherent cemented carbonate nodules in matrix and 12 percent fine distinct irregular noncoherent cemented carbonate masses in matrix; 15 percent by volume nonflat subrounded indurated 76-?-254 millimeter petrocalcic fragments fragments and 70 percent by volume nonflat subrounded indurated 2-?-75 millimeter petrocalcic fragments fragments; violent effervescence, by hcl, 1n.