IDENTIFIERS

  • Current Taxon Name (Soil Name): Hildebrecht
  • OSD
  • Series Extent
  • User Site ID: 2006MO187003M
  • User Pedon ID: 2006MO187003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0618703
  • Print Date: 11/24/2024

    • 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: 37.6928333
  • Std. Longitude: -90.2454722
  • Datum: WGS84
  • Map Unit: 73272—Hildebrecht silt loam, 3 to 8 percent slopes
  • 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: JP, LT, BK
  • Current Taxonomic Class: Fine-silty, mixed, active, 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 - 20 to 70 cm.
  • Classificaton Date - 12/10/2010
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Captina
  • Taxon Kind - series
  • Classificaton Date - 11/8/2006
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • 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: 11/8/2006 (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

    —

    94 - 121

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

    ochric epipedon

    argillic horizon

    fragipan

    0—20

    20—203

    94—121

    —-

    —-

    —-
    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

    3

    —

    —

    367.3

    —

    55

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) silt loam; very friable; 7.0 very fine and fine roots throughout; 7.0 very fine irregular pores; fragments; abrupt smooth boundary. Lab sample # MU010990
    AB—10 to 20 centimeters (3.9 to 7.9 inches); 60 percent yellowish brown (10YR 5/4) and 40 percent dark grayish brown (10YR 4/2) silt loam; friable; 7.0 very fine and fine roots throughout and 3.0 medium roots throughout; 7.0 very fine and fine tubular pores; fragments; abrupt wavy boundary. Lab sample # MU010991
    Bt1—20 to 41 centimeters (7.9 to 16.1 inches); strong brown (7.5YR 4/6) silty clay loam; friable; 7.0 very fine and fine roots throughout and 7.0 medium roots throughout and 3.0 coarse roots throughout; 7.0 very fine and fine irregular pores; 30 percent faint strong brown (7.5YR 4/6) clay films on all faces of peds; 1 percent fine prominent black (10YR 2/1) manganese masses; fragments; abrupt wavy boundary. Lab sample # MU010992
    Bt2—41 to 56 centimeters (16.1 to 22.0 inches); 70 percent yellowish brown (10YR 5/4) and 30 percent brown (10YR 5/3) silty clay; firm; 7.0 very fine and fine roots throughout and 7.0 medium roots throughout and 3.0 coarse roots throughout; 7.0 very fine and fine tubular pores; 30 percent prominent yellowish red (5YR 4/6) clay films on all faces of peds; 1 percent prominent irregular 7.5YR 4/8 (7.5YR 4/8) masses of oxidized iron; fragments; clear smooth boundary. Lab sample # MU010993
    Bt3—56 to 94 centimeters (22.0 to 37.0 inches); 60 percent grayish brown (10YR 5/2) and 40 percent brownish yellow (10YR 6/6) silty clay loam; friable; 7.0 very fine and fine roots throughout and 0.5 medium roots throughout and 0.5 coarse roots throughout; 7.0 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; 10 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU010994
    2Btx—94 to 121 centimeters (37.0 to 47.6 inches); 50 percent pale brown (10YR 6/3) and 40 percent brown (10YR 5/3) and 10 percent brownish yellow (10YR 6/8) silty clay loam; very firm; brittle; 0.5 fine roots in cracks; 0.5 fine tubular pores; 30 percent distinct brown (7.5YR 5/4) clay films on rock fragments and 30 percent distinct light brownish gray (10YR 6/2) silt coats on all faces of peds; 1 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments and 10 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; 60 percent of brittleness; abrupt smooth boundary. Lab sample # MU010995
    3Bt4—121 to 156 centimeters (47.6 to 61.4 inches); 70 percent brown (10YR 5/3) and 25 percent brown (7.5YR 5/4) and 5 percent yellow (10YR 7/8) very gravelly silty clay; very firm; 0.5 fine roots in cracks; 0.5 fine tubular pores; 30 percent distinct gray (10YR 5/1) clay films on all faces of peds and 30 percent distinct brown (10YR 4/3) clay films on all faces of peds and 30 percent distinct brown (7.5YR 4/4) clay films on all faces of peds; 1 percent by volume nonflat subrounded indurated 250-?-600 millimeter chert fragments and 1 percent by volume nonflat subangular indurated 75-?-250 millimeter chert fragments and 35 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU010996
    3Bt5—156 to 185 centimeters (61.4 to 72.8 inches); 50 percent brown (10YR 5/3) and 40 percent red (2.5YR 4/8) and 10 percent yellowish brown (10YR 5/8) gravelly clay; firm; 0.5 fine roots throughout; 0.5 fine tubular pores; 15 percent distinct dark gray (10YR 4/1) clay films on rock fragments and 30 percent distinct light brownish gray (10YR 6/2) silt coats on all faces of peds and 30 percent distinct dark red (2.5YR 3/6) clay films on all faces of peds and 30 percent distinct grayish brown (10YR 5/2) clay films on all faces of peds; 1 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments and 25 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU010997
    4Bt6—185 to 203 centimeters (72.8 to 79.9 inches); 50 percent gray (10YR 6/1) and 30 percent red (10R 4/8) and 20 percent yellowish brown (10YR 5/8) extremely gravelly clay; firm; 0.5 fine roots throughout; 0.5 fine tubular pores; 30 percent faint dark yellowish brown (10YR 4/6) clay films on all faces of peds and 30 percent distinct brown (10YR 5/3) clay films on all faces of peds and 30 percent prominent strong brown (7.5YR 5/6) clay films on all faces of peds and 30 percent distinct light gray (10YR 7/1) silt coats on rock fragments; 20 percent by volume nonflat subangular indurated 75-?-250 millimeter sandstone, unspecified fragments and 40 percent by volume nonflat subangular indurated 2-?-75 millimeter sandstone, unspecified fragments. Lab sample # MU010998