IDENTIFIERS

  • Current Taxon Name (Soil Name): Hildebrecht
  • OSD
  • Series Extent
  • User Site ID: 2006MO187005M
  • User Pedon ID: 2006MO187005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0618705
  • Print Date: 1/30/2025
  • 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: 37.6779444
  • Std. Longitude: -90.1789444
  • Datum: WGS84
  • State: Missouri
  • County: MO187—St. Francois
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO187—St. Francois County, Missouri
  • 7.5 Minute USGS Quad: 37090-F2—Womack, Missouri
  • PEDON

  • Describers Name: BK, RT
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Oxyaquic Fragiudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Hildebrecht
  • PSC - 18 to 67 cm.
  • Classificaton Date - 4/1/2011
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Captina
  • Taxon Kind - series
  • Classificaton Date - 11/9/2006
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified


  • SITE

  • Parent Material: loess over slope alluvium over residuum
  • Landscape: plateau
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/9/2006 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    67 - 132

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

    ochric epipedon

    argillic horizon

    fragipan

    0—18

    18—205

    67—132

    —-

    —-

    —-

    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

    4

    321.6

    110

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 4/3) silt loam; weak fine subangular blocky structure; friable; 10.0 very fine and fine roots and 5.0 medium roots and 0.5 coarse roots; 10.0 very fine and fine tubular and 3.0 medium tubular pores; fragments; abrupt smooth boundary. Lab sample # MU010999
    Bt1—18 to 48 centimeters (7.1 to 18.9 inches); dark yellowish brown (10YR 4/6) silty clay loam; moderate medium subangular blocky structure; firm; 5.0 very fine and fine roots and 3.0 medium roots and 0.5 coarse roots; 10.0 very fine and fine tubular and 3.0 medium tubular pores; 5 percent distinct brown (10YR 4/3) organic stains; fragments; clear smooth boundary. Lab sample # MU011000
    Btg—48 to 67 centimeters (18.9 to 26.4 inches); grayish brown (10YR 5/2) silty clay loam; moderate fine and medium subangular blocky structure; firm; 5.0 very fine and fine roots and 3.0 medium roots; 7.0 very fine and fine tubular and 3.0 medium tubular pores; 10 percent prominent dark yellowish brown (10YR 4/6) clay films on all faces of peds; 5 percent medium prominent yellowish brown (10YR 5/6) masses of oxidized iron and 25 percent coarse prominent yellowish brown (10YR 5/6) masses of oxidized iron; fragments; clear smooth boundary. Lab sample # MU011001
    2Btx1—67 to 105 centimeters (26.4 to 41.3 inches); light olive brown (2.5Y 5/6) silt loam; weak coarse prismatic parts to weak medium subangular blocky structure; firm; brittle; 0.5 very fine and fine roots; 3.0 very fine and fine tubular pores; 5 percent distinct light olive brown (2.5Y 5/4) clay films; 3 percent fine prominent black (10YR 2/1) manganese masses and 5 percent medium prominent yellowish brown (10YR 5/6) masses of oxidized iron and 25 percent medium prominent light brownish gray (10YR 6/2) iron depletions on vertical faces of peds; 2 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; 60 percent of brittleness; abrupt wavy boundary. Lab sample # MU011002
    2Btx2—105 to 132 centimeters (41.3 to 52.0 inches); 70 percent dark yellowish brown (10YR 4/6) and 30 percent red (2.5YR 4/8) very gravelly silty clay loam; structureless massive; firm; brittle; 0.5 very fine and fine roots; 3.0 very fine and fine tubular pores; 3 percent distinct dark yellowish brown (10YR 4/6) clay films and 3 percent distinct dark yellowish brown (10YR 4/4) clay films; 2 percent fine prominent black (10YR 2/1) manganese masses; 55 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; 75 percent of brittleness; clear wavy boundary. Lab sample # MU011003
    3Bt2—132 to 152 centimeters (52.0 to 59.8 inches); 70 percent dark yellowish brown (10YR 4/6) and 30 percent red (2.5YR 4/8) clay; moderate fine and medium subangular blocky structure; firm; 0.5 very fine and fine roots; 3.0 very fine and fine tubular pores; 10 percent distinct yellowish red (5YR 4/6) clay films; 5 percent medium prominent brown (7.5YR 5/2) iron depletions on vertical faces of peds; 10 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU011004
    3Bt3—152 to 170 centimeters (59.8 to 66.9 inches); 60 percent dark yellowish brown (10YR 4/6) and 40 percent red (2.5YR 4/8) gravelly clay; weak medium subangular blocky structure; firm; 0.5 very fine and fine roots; 3.0 very fine and fine tubular pores; 10 percent distinct yellowish red (5YR 4/6) clay films; 5 percent medium prominent brown (7.5YR 5/2) iron depletions on vertical faces of peds; 25 percent by volume nonflat subangular indurated 2-?-75 millimeter mixed fragments; gradual smooth boundary. Lab sample # MU011005
    3Bt4—170 to 205 centimeters (66.9 to 80.7 inches); 60 percent dark yellowish brown (10YR 4/6) and 40 percent red (2.5YR 4/8) very gravelly clay; weak medium subangular blocky structure; firm; 0.5 very fine and fine roots; 3.0 very fine and fine tubular pores; 15 percent distinct brown (10YR 4/3) clay films; 5 percent by volume nonflat subangular indurated 75-?-250 millimeter sandstone, unspecified fragments and 30 percent by volume nonflat subangular indurated 2-?-75 millimeter mixed fragments. Lab sample # MU011006