IDENTIFIERS

  • Current Taxon Name (Soil Name): Sonsac
  • OSD
  • Series Extent
  • User Site ID: 1997MO221055M
  • User Pedon ID: 1997MO221055
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9722106
  • Print Date: 5/20/2024

    • 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: 37.8801842
  • Std. Longitude: -90.8699190
  • Datum: WGS84
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: MC,DS
  • Current Taxonomic Class: Loamy-skeletal over clayey, mixed Typic Hapludalfs
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Sonsac
  • Taxonomic Class - Loamy-skeletal over clayey, mixed Typic Hapludalfs
  • Taxon Kind - series
  • PSC - 20 to 100 cm.
  • Classificaton Date - 5/2/1997
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum and/or slope alluvium
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Surface Fragments: 0.01 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/2/1997 (actual site observation date)
  • Air Photo ID: 30
  • 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

    15

    —

    —

    326

    —

    190

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    —

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    A—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; very gravelly silt loam; weak medium granular, and weak fine subangular blocky structure; friable; 6.0 very fine to medium roots; 3.0 interstitial and tubular pores; 35 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU058697
    EB—10 to 20 centimeters (3.9 to 7.9 inches); yellowish brown (10YR 5/4) very gravelly silt loam; weak medium subangular blocky structure; friable; 6.0 very fine to medium roots; 3.0 interstitial and tubular pores; 35 percent prominent manganese or iron-manganese stains on faces of peds; 40 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # MU058698
    Bt1—20 to 41 centimeters (7.9 to 16.1 inches); very pale brown (10YR 7/4) very gravelly silt loam; weak medium prismatic parts to moderate fine subangular blocky structure; friable; 3.0 fine and medium roots; 3.0 interstitial and tubular pores; 15 percent distinct clay films on faces of peds and 15 percent prominent strong brown (7.5YR 5/6) iron stains on faces of peds; 55 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU058699
    2Bt2—41 to 71 centimeters (16.1 to 28.0 inches); 75 percent strong brown (7.5YR 5/6) and 25 percent red (2.5YR 4/6) gravelly clay; weak medium prismatic parts to strong fine subangular blocky structure; very firm; 0.5 fine and medium roots; 3.0 interstitial and tubular pores; 60 percent prominent clay films on faces of peds; 35 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; gradual smooth boundary. Lab sample # MU058700
    2Bt3—71 to 89 centimeters (28.0 to 35.0 inches); 80 percent yellowish red (5YR 5/6) and 20 percent red (2.5YR 4/6) gravelly clay; weak medium prismatic parts to strong fine subangular blocky structure; very firm; 0.5 fine and medium roots; 0.5 interstitial and tubular pores; 60 percent prominent clay films on faces of peds and 60 percent prominent manganese or iron-manganese stains on faces of peds; 20 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.9, hellige-truog; clear wavy boundary. Lab sample # MU058701. weathered chert bedrock
    2Cr—89 to 119 centimeters (35.0 to 46.9 inches); weathered bedrock; fragments.
    2R—119 centimeters (46.9 inches); bedrock; fragments.