IDENTIFIERS

  • Current Taxon Name (Soil Name): Alred
  • OSD
  • Series Extent
  • User Site ID: 1998MO221193M
  • User Pedon ID: 1998MO221193
  • Vegetation Plot ID: 1998MO221193
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9822161
  • 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: 38.1052974
  • Std. Longitude: -90.9618162
  • Datum: WGS84
  • Location Description: Pea Ridge State Forest
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: DS, GB, JF, DM, JS
  • Current Taxonomic Class: Loamy-skeletal over clayey, mixed Typic Paleudalfs
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Alred
  • Taxonomic Class - Loamy-skeletal over clayey, mixed Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 13 to 100 cm.
  • Classificaton Date - 12/11/1998
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or slope alluvium derived from cherty limestone and/or residuum weathered from dolomite
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Surface Fragments: 2.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/11/1998 (actual site observation date)
  • Air Photo ID: C1
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    JUVI

    QUAL

    QUST

    Juniperus virginiana

    Quercus alba

    Quercus stellata

    eastern redcedar

    white oak

    post oak

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

    argillic horizon

    13—152

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    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

    8

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    268

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    190

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    A—0 to 5 centimeters (0.0 to 2.0 inches); very dark grayish brown (10YR 3/2), light brownish gray (10YR 6/2), dry; very gravelly silt loam; moderate medium subangular blocky structure; friable; 6.0 very fine and fine roots and 1.0 medium and coarse roots; 6.0 very fine to coarse interstitial and tubular pores; 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU009583
    E—5 to 13 centimeters (2.0 to 5.1 inches); brown (10YR 5/3) very gravelly silt loam; weak fine platy parts to moderate fine subangular blocky structure; friable; 3.0 very fine to coarse roots; 6.0 very fine to coarse interstitial and tubular pores; 60 percent distinct silt coats throughout; 60 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU009584. continuous - phpvsfiid 135736; continuous - phpvsfiid 135736
    Bt1—13 to 25 centimeters (5.1 to 9.8 inches); 60 percent light yellowish brown (10YR 6/4) and 40 percent light brown (7.5YR 6/4) very gravelly silt loam; moderate fine subangular blocky structure; friable; 3.0 very fine and fine roots and 1.0 fine and medium roots; 6.0 very fine to medium interstitial and tubular and 3.0 coarse interstitial and tubular pores; 15 percent distinct clay films on faces of peds and 30 percent distinct silt coats throughout; 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU009585. discontinuous - phpvsfiid 135738; continuous - phpvsfiid 135737; discontinuous - phpvsfiid 135738; continuous - phpvsfiid 135737
    2Bt2—25 to 46 centimeters (9.8 to 18.1 inches); yellowish red (5YR 5/8) clay; weak fine prismatic parts to moderate fine subangular blocky structure; firm; 3.0 very fine and fine roots; 3.0 very fine to coarse interstitial and tubular pores; 30 percent distinct silt coats throughout and 30 percent distinct clay films on faces of peds; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # MU009586. discontinuous - phpvsfiid 135739; discontinuous - phpvsfiid 135740; discontinuous - phpvsfiid 135739; discontinuous - phpvsfiid 135740
    2Bt3—46 to 64 centimeters (18.1 to 25.2 inches); 90 percent red (2.5YR 4/6) and 10 percent strong brown (7.5YR 5/8) clay; moderate fine subangular blocky structure; very firm; 3.0 very fine and fine roots; 1.0 very fine to medium interstitial and tubular pores; 30 percent distinct clay films on faces of peds; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 5 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # MU009587. discontinuous - phpvsfiid 135741; discontinuous - phpvsfiid 135741
    2Bt4—64 to 91 centimeters (25.2 to 35.8 inches); red (2.5YR 5/6) very gravelly clay; moderate fine and medium subangular blocky structure; very firm; 1.0 very fine and fine roots; 1.0 very fine to medium interstitial and tubular pores; 60 percent distinct clay films on faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 30 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU009588. discontinuous - phpvsfiid 135742; discontinuous - phpvsfiid 135742
    2Bt5—91 to 114 centimeters (35.8 to 44.9 inches); red (2.5YR 4/6) very gravelly clay; moderate fine platy parts to moderate fine angular blocky structure; very firm; 1.0 very fine and fine roots; 1.0 very fine interstitial and tubular pores; 60 percent distinct clay films on faces of peds; 20 percent by volume 75-162-250 millimeter limestone, cherty fragments and 30 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; gradual wavy boundary. Lab sample # MU009589. continuous - phpvsfiid 136027; continuous - phpvsfiid 136027
    2Bt6—114 to 137 centimeters (44.9 to 53.9 inches); dark red (10R 3/6) very gravelly clay; moderate fine angular blocky structure; very firm; 1.0 very fine and fine roots; 1.0 very fine interstitial and tubular pores; 60 percent distinct clay films on faces of peds; 20 percent by volume 2-39-75 millimeter limestone, cherty fragments and 40 percent by volume 75-162-250 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; gradual wavy boundary. Lab sample # MU009590. continuous - phpvsfiid 136028; continuous - phpvsfiid 136028
    2Bt7—137 to 152 centimeters (53.9 to 59.8 inches); dark red (10R 3/6) clay; moderate fine angular blocky structure; very firm; 60 percent distinct clay films on faces of peds; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly alkaline, pH 7.4, hellige-truog. Lab sample # MU009591. continuous - phpvsfiid 136029; continuous - phpvsfiid 136029