IDENTIFIERS

  • Current Taxon Name (Soil Name): Alred
  • OSD
  • Series Extent
  • User Site ID: 1994MO203018M
  • User Pedon ID: 1994MO203018M
  • Transect:
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9461318
  • NCSS Pedon Lab Data NASIS Record ID - 26406
  • User Project ID: 2021-25NCSPR013
  • Project Name: MLRA 116A - Mark Twain National Forest Update
  • Print Date: 11/21/2024

    • 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: 37.0779111
  • Std. Longitude: -91.4092667
  • Datum: WGS84
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-A4—Bartlett, Missouri

    • PEDON

  • Describers Name: SV, LT, JW
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Alred
  • PSC - 26 to 100 cm.
  • Classificaton Date - 2/25/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Alred
  • Taxonomic Class - Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 26 to 100 cm.
  • Classificaton Date - 9/7/1994
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • Field Measured Properties: 20 Strongly contrasting textural stratification (depth in inches) and 32 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: slope alluvium over residuum weathered from dolomite
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/7/1994 (actual site observation date)
  • Air Photo ID: 19
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    strongly contrasting particle size class

    3—26

    26—163

    54—

    —-

    —-

    —-
    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

    12

    —

    —

    285.6

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 13 centimeters (1.2 to 5.1 inches); grayish brown (10YR 5/2) extremely gravelly sandy loam; weak fine granular structure; very friable; 3.0 medium roots and 7.0 fine roots and 0.5 coarse roots; 7.0 fine interstitial and tubular pores; 10 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 75 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog; clear wavy boundary. Lab sample # MU009380
    E—13 to 26 centimeters (5.1 to 10.2 inches); pale brown (10YR 6/3) extremely gravelly sandy loam; weak fine subangular blocky structure; friable; 0.5 medium roots and 3.0 fine roots and 0.5 coarse roots; 3.0 fine tubular pores; 10 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 60 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU009381
    Bt1—26 to 41 centimeters (10.2 to 16.1 inches); light yellowish brown (10YR 6/4) extremely cobbly sandy loam; weak fine subangular blocky structure; friable; 0.5 medium roots and 0.5 fine roots and 0.5 coarse roots; 3.0 fine tubular pores; 15 percent distinct brown (7.5YR 5/4), moist, clay films on rock fragments and 35 percent distinct brown (10YR 5/3), moist, skeletans on faces of peds; 35 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 40 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU009382
    Bt2—41 to 54 centimeters (16.1 to 21.3 inches); 60 percent light brown (7.5YR 6/4) and 40 percent yellowish red (5YR 5/6) extremely gravelly loam; moderate fine subangular blocky structure; firm; 0.5 medium roots and 0.5 fine roots and 0.5 coarse roots; 3.0 fine tubular pores; 35 percent distinct pale brown (10YR 6/3), moist, skeletans on faces of peds and in pores and 35 percent distinct yellowish red (5YR 5/6), moist, clay films on rock fragments; 20 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 50 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU009383
    2Bt3—54 to 89 centimeters (21.3 to 35.0 inches); 75 percent red (2.5YR 4/6) and 25 percent reddish brown (5YR 5/4) clay; strong very fine angular blocky structure; very firm; 0.5 medium roots and 0.5 fine roots and 0.5 coarse roots; 0.5 fine tubular pores; 15 percent faint reddish brown (5YR 5/4), moist, pressure faces on faces of peds and 35 percent faint red (2.5YR 4/6), moist, clay films on faces of peds and in pores; 15 percent fine masses of oxidized iron; 1 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU009384
    2Bt4—89 to 110 centimeters (35.0 to 43.3 inches); red (2.5YR 4/6) clay; strong fine angular blocky, and strong very fine angular blocky structure; very firm; 0.5 fine roots; 0.5 medium vesicular and 0.5 medium tubular and 0.5 fine tubular pores; 35 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds and 35 percent distinct red (2.5YR 4/6), moist, pressure faces on faces of peds; 35 percent fine black (10YR 2/1) iron concretions; 1 percent by volume 2-39-75 millimeter limestone, unspecified fragments and 2 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; gradual wavy boundary. Lab sample # MU009385
    2Bt5—110 to 135 centimeters (43.3 to 53.1 inches); red (2.5YR 4/6) clay; strong fine angular blocky, and strong very fine angular blocky structure; very firm; 0.5 fine roots; 0.5 medium tubular and 0.5 medium vesicular and 0.5 fine tubular pores; 35 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds and in pores and 35 percent distinct red (2.5YR 4/6), moist, pressure faces on faces of peds and in pores; 35 percent fine black (10YR 2/1) iron concretions; 1 percent by volume nonflat indurated 2-40-75 millimeter chert fragments and 2 percent by volume 75-162-250 millimeter dolomite (dolostone) fragments and 5 percent by volume 2-39-75 millimeter dolomite (dolostone) fragments; moderately acid, pH 5.6, hellige-truog; gradual wavy boundary. Lab sample # MU009386
    2Bt6—135 to 163 centimeters (53.1 to 64.2 inches); red (2.5YR 4/6) clay; strong fine angular blocky, and strong very fine angular blocky structure; very firm; 0.5 fine roots; 0.5 fine tubular pores; 15 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds and 75 percent distinct red (2.5YR 4/6), moist, pressure faces on faces of peds; 35 percent fine black (10YR 2/1) iron concretions; 2 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; slightly acid, pH 6.5, hellige-truog. Lab sample # MU009387