IDENTIFIERS

  • Current Taxon Name (Soil Name): Hildebrecht
  • OSD
  • Series Extent
  • User Site ID: 2006MO187004M
  • User Pedon ID: 2006MO187004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0618704
  • Print Date: 2/2/2025

    • 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: 37.6891389
  • Std. Longitude: -90.2416389
  • 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: RT, BK, LT, JP
  • 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 - 25 to 75 cm.
  • Classificaton Date - 3/2/2011
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Captina
  • Taxon Kind - series
  • Classificaton Date - 11/8/2006
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • 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: head slope
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/8/2006 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    —

    90 - 151

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

    ochric epipedon

    argillic horizon

    fragipan

    0—25

    25—200

    90—151

    —-

    —-

    —-
    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

    —

    —

    361.2

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 25 centimeters (0.0 to 9.8 inches); brown (10YR 5/3) silt loam; moderate fine subangular blocky structure; friable; 10.0 very fine and fine roots and 3.0 medium and coarse roots; 3.0 very fine and fine tubular pores; fragments; abrupt smooth boundary. Lab sample # MU028173
    Bt1—25 to 51 centimeters (9.8 to 20.1 inches); dark yellowish brown (10YR 4/6) silty clay loam; moderate fine subangular blocky structure; firm; 3.0 very fine and fine roots and 3.0 medium and coarse roots; 5.0 very fine and fine tubular pores; 30 percent faint yellowish brown (10YR 5/4) clay films on all faces of peds and 30 percent distinct pale brown (10YR 6/3) silt coats on all faces of peds; fragments; clear smooth boundary. Lab sample # MU028174
    Bt2—51 to 72 centimeters (20.1 to 28.3 inches); 80 percent brown (10YR 5/3) and 20 percent strong brown (7.5YR 4/6) silty clay loam; moderate fine subangular blocky structure; firm; 3.0 very fine and fine roots and 3.0 medium and coarse roots; 3.0 very fine and fine tubular pores; 3 percent fine distinct gray (10YR 6/1) iron depletions and 5 percent fine distinct strong brown (7.5YR 5/6) masses of oxidized iron; fragments; clear smooth boundary. Lab sample # MU028175
    Bt3—72 to 90 centimeters (28.3 to 35.4 inches); 70 percent gray (10YR 5/1) and 30 percent strong brown (7.5YR 5/8) silty clay loam; moderate fine and medium subangular blocky structure; firm; 10.0 very fine and fine roots and 3.0 medium roots; 5.0 very fine and fine tubular pores; 30 percent distinct brown (7.5YR 5/2) clay films on all faces of peds; 5 percent fine prominent strong brown (7.5YR 5/6) masses of oxidized iron; fragments; abrupt smooth boundary. Lab sample # MU028176
    2Btx1—90 to 115 centimeters (35.4 to 45.3 inches); 60 percent pale brown (10YR 6/3) and 40 percent brownish yellow (10YR 6/6) silty clay loam; weak coarse prismatic structure; very firm; brittle; 0.5 very fine and fine roots; 7.0 very fine and fine tubular pores; 15 percent distinct brown (7.5YR 4/3) clay films on rock fragments and 30 percent distinct grayish brown (10YR 5/2) clay films on rock fragments; 5 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; 60 percent of brittleness; clear smooth boundary. Lab sample # MU028177
    2Btx2—115 to 151 centimeters (45.3 to 59.4 inches); pale brown (10YR 6/3) very gravelly silt loam; structureless massive; very firm; brittle; 0.5 very fine and fine roots; 7.0 very fine and fine tubular and 0.5 medium tubular pores; 15 percent distinct strong brown (7.5YR 4/6) clay films on rock fragments and 30 percent distinct strong brown (7.5YR 5/8) clay films on rock fragments and 30 percent distinct yellowish brown (10YR 5/4) clay films on rock fragments; 50 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; 75 percent of brittleness; clear wavy boundary. Lab sample # MU028178
    3Bt4—151 to 188 centimeters (59.4 to 74.0 inches); 60 percent strong brown (7.5YR 5/8) and 30 percent yellowish brown (10YR 5/8) and 10 percent red (2.5YR 4/8) very gravelly clay; moderate medium subangular blocky structure; firm; 0.5 very fine and fine roots; 3.0 very fine and fine tubular pores; 30 percent distinct brown (7.5YR 4/3) clay films on rock fragments and 30 percent distinct brown (7.5YR 5/2) clay films on rock fragments and 30 percent distinct dark gray (7.5YR 4/1) clay films on all faces of peds and 30 percent prominent 10YR 4/8 (10YR 4/8) clay films on rock fragments; 5 percent by volume nonflat subangular indurated 75-?-250 millimeter chert fragments and 10 percent by volume nonflat subangular indurated 250-?-600 millimeter chert fragments and 40 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU028179
    3Bt5—188 to 200 centimeters (74.0 to 78.7 inches); 40 percent light brownish gray (10YR 6/2) and 40 percent strong brown (7.5YR 5/8) and 20 percent brownish yellow (10YR 6/8) gravelly clay; moderate medium subangular blocky structure; firm; 0.5 very fine and fine roots; 3.0 very fine and fine tubular pores; 30 percent distinct light gray (10YR 7/1) silt coats on all faces of peds and 30 percent distinct brown (7.5YR 5/2) clay films on all faces of peds and 30 percent prominent red (2.5YR 4/8) clay films on all faces of peds and 30 percent distinct strong brown (7.5YR 4/6) clay films on all faces of peds; 30 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments. Lab sample # MU028180