IDENTIFIERS

  • Current Taxon Name (Soil Name): Sonsac
  • OSD
  • Series Extent
  • User Site ID: 1991MO099048M
  • User Pedon ID: 1991MO099048
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9109920
  • 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: 38.0683000
  • Std. Longitude: -90.5468000
  • Datum: WGS84
  • Township: T39N
  • Range: R4E
  • Section: 26
  • PLSS Details: 2200 feet S and 950 feet W of the NE corner
  • Location Description: 2200 feet south and 950 feet west of the NE corner S. 26, T39N, R4E.
  • State: Missouri
  • County: MO099—Jefferson
  • MLRA: 116B—Springfield Plain

    • PEDON

  • Describers Name: J. Dodd, E. Dettman, K. Knelle
  • Current Taxonomic Class: Clayey-skeletal, mixed Typic Hapludalfs
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Sonsac
  • Taxonomic Class - Clayey-skeletal, mixed Typic Hapludalfs
  • Taxon Kind - series
  • PSC - 28 to 78 cm.
  • Classificaton Date - 8/30/1991
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/30/1991 (actual site observation date)
  • Air Photo ID: 43
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    33

    —

    —

    204

    —

    0

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments. Lab sample # MU64342. Partially decomposed leaves, roots and twigs.
    A—3 to 13 centimeters (1.2 to 5.1 inches); grayish brown (10YR 5/2), light brownish gray (10YR 6/2), dry; loam; weak fine granular structure; friable; 10.0 fine and medium roots and 3.0 coarse roots; 10 percent by volume 2-39-75 millimeter sandstone, unspecified fragments; clear smooth boundary. Lab sample # MU041201
    E—13 to 28 centimeters (5.1 to 11.0 inches); dark yellowish brown (10YR 4/4) very cobbly loam; weak fine subangular blocky, and weak fine granular structure; friable; 10.0 fine and medium roots and 1.0 coarse roots; 10 percent by volume 2-39-75 millimeter sandstone, unspecified fragments and 55 percent by volume 75-162-250 millimeter sandstone, unspecified fragments; clear wavy boundary. Lab sample # MU041202
    Bt1—28 to 51 centimeters (11.0 to 20.1 inches); strong brown (7.5YR 5/6) very gravelly clay loam; moderate fine subangular blocky structure; firm; 10.0 very fine and fine roots and 2.0 medium roots; 10 percent faint clay films on faces of peds; 55 percent by volume 2-39-75 millimeter sandstone, unspecified fragments; abrupt smooth boundary. Lab sample # MU041203
    Bt2—51 to 105 centimeters (20.1 to 41.3 inches); 5YR 4/8 (5YR 4/8) clay; moderate fine subangular blocky structure; very firm; 3.0 very fine and fine roots and 1.0 medium and coarse roots; 60 percent distinct clay films on faces of peds; 10 percent by volume 2-39-75 millimeter sandstone, unspecified fragments; clear smooth boundary. Lab sample # MU041204
    Bt31—105 to 130 centimeters (41.3 to 51.2 inches); yellowish red (5YR 4/6) extremely cobbly clay; weak fine subangular blocky structure; firm; 1.0 very fine and fine roots; 30 percent distinct clay films on faces of peds; 65 percent by volume 75-162-250 millimeter sandstone, unspecified fragments; abrupt wavy boundary. Lab sample # MU041205
    Bt32—130 to 150 centimeters (51.2 to 59.1 inches); extremely cobbly clay; fragments. Lab sample # MU041206
    R—150 centimeters (59.1 inches); bedrock; fragments. Sandstone bedrock.