IDENTIFIERS

  • Current Taxon Name (Soil Name): Frenchmill
  • OSD
  • Series Extent
  • User Site ID: 1998MO203029M
  • User Pedon ID: 1998MO203029M
  • User Site Association ID: 8660
  • Transect:
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9861329
  • NCSS Pedon Lab Data NASIS Record ID - 31617
  • 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: 37.0733583
  • Std. Longitude: -91.2190333
  • 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-A2—Stegall Mountain, Missouri
  • PEDON

  • Describers Name: BM,SE,LT,MS
  • Current Taxonomic Class: Loamy-skeletal, mixed, active, mesic Typic Paleudults
  • 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 - Frenchmill
  • PSC - 36 to 86 cm.
  • Classificaton Date - 3/8/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Frenchmill
  • Taxonomic Class - Loamy-skeletal, mixed, active, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 36 to 86 cm.
  • Classificaton Date - 3/25/1998
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 26 percent of Percent clay in the control section and 44 Cation exchange capacity to clay ratio


  • SITE

  • Parent Material: residuum weathered from acid igneous rock
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/25/1998 (actual site observation date)
  • Air Photo ID: 21
  • 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

    0—36

    36—191

    —-

    —-

    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

    35

    342

    188

    A—0 to 20 centimeters (0.0 to 7.9 inches); 60 percent very dark grayish brown (10YR 3/2) and 40 percent brown (10YR 4/3) extremely gravelly silt loam; weak fine granular structure; very friable; 7.0 fine to coarse roots; 7.0 fine interstitial and tubular pores; 10 percent by volume 75-162-250 millimeter rhyolite fragments and 65 percent by volume 2-39-75 millimeter rhyolite fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU061584
    E—20 to 36 centimeters (7.9 to 14.2 inches); 60 percent yellowish brown (10YR 5/6) and 40 percent yellowish brown (10YR 5/4) gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots and 0.9 coarse roots; 3.0 fine and medium tubular pores; 20 percent by volume 2-39-75 millimeter rhyolite fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU061585
    Bt1—36 to 56 centimeters (14.2 to 22.0 inches); yellowish brown (10YR 5/4) gravelly silt loam; weak medium subangular blocky structure; friable; 3.0 fine and medium roots; 3.0 fine and medium tubular pores; 15 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds; 5 percent by volume 75-162-250 millimeter rhyolite fragments and 20 percent by volume 2-39-75 millimeter rhyolite fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU061586
    Bt2—56 to 91 centimeters (22.0 to 35.8 inches); yellowish brown (10YR 5/6) very gravelly silt loam; weak medium subangular blocky structure; friable; 0.9 fine roots; 0.9 fine tubular pores; 15 percent distinct yellowish brown (10YR 5/8), moist, clay films on faces of peds and 15 percent distinct yellowish red (5YR 4/6), moist, clay films on rock fragments; brownish yellow (10YR 6/8) masses of oxidized iron; 10 percent by volume 75-162-250 millimeter rhyolite fragments and 40 percent by volume 2-39-75 millimeter rhyolite fragments; very strongly acid, pH 4.6, hellige-truog; gradual smooth boundary. Lab sample # MU061587
    2Bt3—91 to 117 centimeters (35.8 to 46.1 inches); yellowish brown (10YR 5/6) very gravelly clay; moderate medium angular blocky structure; friable; 0.9 fine roots; 0.9 fine tubular pores; 5 percent distinct brown (10YR 5/3), moist, silt coats on rock fragments and 30 percent distinct strong brown (7.5YR 5/8), moist, clay films on rock fragments; 10 percent by volume 75-162-250 millimeter rhyolite fragments and 30 percent by volume 2-39-75 millimeter rhyolite fragments; very strongly acid, pH 4.5, hellige-truog; clear wavy boundary. Lab sample # MU061588
    2Bt4—117 to 163 centimeters (46.1 to 64.2 inches); strong brown (7.5YR 5/6) very gravelly sandy clay loam; moderate medium angular blocky structure; friable; 0.9 fine roots; 0.9 fine tubular pores; 5 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds and 10 percent distinct dark red (2.5YR 3/6), moist, clay films in root channels and/or pores and 30 percent distinct light brownish gray (10YR 6/2), moist, clay films in root channels and/or pores; 20 percent brownish yellow (10YR 6/8) masses of oxidized iron; 10 percent by volume 75-162-250 millimeter rhyolite fragments and 20 percent by volume rhyolite fragments and 35 percent by volume 2-39-75 millimeter rhyolite fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # MU061589
    2Bt5—163 to 191 centimeters (64.2 to 75.2 inches); 55 percent yellowish brown (10YR 5/4) and 45 percent brownish yellow (10YR 6/6) cobbly clay loam; moderate medium angular blocky structure; firm; 0.9 fine roots; 0.9 fine tubular pores; 2 percent distinct gray (10YR 5/1), moist, clay films in root channels and/or pores and 30 percent distinct light brownish gray (10YR 6/2), moist, clay films in root channels and/or pores; 5 percent yellowish red (5YR 4/6) masses of oxidized iron and 30 percent yellow (10YR 7/8) masses of oxidized iron; 10 percent by volume 2-39-75 millimeter rhyolite fragments and 20 percent by volume 75-162-250 millimeter rhyolite fragments. Lab sample # MU061590