IDENTIFIERS

  • Current Taxon Name (Soil Name): Gepp
  • OSD
  • Series Extent
  • User Site ID: 1996MO221044M
  • User Pedon ID: 1996MO221044
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9622117
  • Print Date: 2/17/2025

    • 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: 37.8645046
  • Std. Longitude: -90.9848444
  • Datum: WGS84
  • Location Description: Mark Twian Nat. Forest
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: D.Skaer,M.Cook
  • Current Taxonomic Class: Clayey Typic Paleudalfs
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Gepp
  • Taxonomic Class - Clayey Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 13 to cm.
  • Classificaton Date - 11/6/1996
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/6/1996 (actual site observation date)
  • Air Photo ID: 23
  • 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

    20

    —

    —

    329

    —

    285

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    A—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; gravelly silt loam; weak fine subangular blocky parts to moderate very fine granular structure; friable; 6.0 very fine and fine roots and 3.0 medium and coarse roots; 21.0 very fine and fine interstitial pores; 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU056626
    E—8 to 13 centimeters (3.1 to 5.1 inches); brown (10YR 5/3) very gravelly silt loam; weak very fine platy structure; friable; 3.0 very fine and fine roots and 3.0 medium and coarse roots; 25.0 very fine and fine interstitial and tubular pores; 25 percent distinct skeletans on faces of peds; 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.9, hellige-truog; clear smooth boundary. Lab sample # MU056627
    Bt1—13 to 23 centimeters (5.1 to 9.1 inches); 70 percent strong brown (7.5YR 5/6) and 30 percent yellowish red (5YR 4/6) very gravelly silt loam; moderate fine subangular blocky structure; friable; 1.0 very fine and fine roots and 1.0 medium and coarse roots; 20.0 very fine and fine interstitial and tubular pores; 25 percent distinct clay films on faces of peds; 40 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU056628
    2Bt2—23 to 51 centimeters (9.1 to 20.1 inches); 70 percent dark red (2.5YR 3/6) and 30 percent strong brown (7.5YR 5/6) clay; moderate fine subangular blocky structure; firm; 1.0 very fine and fine roots and 1.0 medium and coarse roots; 15.0 very fine and fine interstitial and tubular pores; 25 percent distinct clay films on faces of peds; 5 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU056629
    2Bt3—51 to 74 centimeters (20.1 to 29.1 inches); 75 percent dark red (2.5YR 3/6) and 25 percent yellowish brown (10YR 5/6) clay; moderate fine prismatic parts to moderate very fine subangular blocky structure; very firm; 1.0 very fine and fine roots; 10.0 very fine and fine interstitial and tubular pores; 30 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # MU056630
    2Bt4—74 to 119 centimeters (29.1 to 46.9 inches); 80 percent yellowish brown (10YR 5/6) and 20 percent dark red (2.5YR 3/6) clay; weak medium prismatic parts to moderate very fine subangular blocky structure; very firm; 1.0 very fine and fine roots; 10.0 very fine and fine interstitial and tubular pores; 30 percent distinct clay films on faces of peds; fragments; strongly acid, pH 5.2, hellige-truog; gradual smooth boundary. Lab sample # MU056631
    2Bt5—119 to 160 centimeters (46.9 to 63.0 inches); dark red (2.5YR 3/6) clay; weak medium prismatic structure; very firm; 1.0 very fine and fine roots; 10.0 very fine and fine interstitial and tubular pores; 30 percent distinct clay films on faces of peds; fragments; strongly acid, pH 5.5, hellige-truog; gradual smooth boundary. Lab sample # MU056632
    2BC—160 to 168 centimeters (63.0 to 66.1 inches); yellowish red (5YR 5/8) clay; massive; friable; fragments; neutral, pH 7.3, hellige-truog; abrupt wavy boundary. Lab sample # MU056633
    2R—168 centimeters (66.1 inches); bedrock; fragments. Sandy dolomite