IDENTIFIERS

  • Current Taxon Name (Soil Name): ashton
  • OSD
  • Series Extent
  • User Site ID: 1995MO169001M
  • User Pedon ID: 1995MO169001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9516904
  • Print Date: 4/21/2026

    • 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: 38.9672644
  • Std. Longitude: -92.3451678
  • Datum: WGS84
  • Location Description: Fort Leonard Wood. Training area 70. First trench along access road. Sample ID is FLW-TA70-TR1 Pedon 4.
  • State: Missouri
  • County: MO169—Pulaski
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: DMM
  • Current Taxonomic Class: Fine-silty, siliceous Aquollic Hapludalfs
  • Current Taxon Kind: taxon above family
  • Pedon Type: within range of map unit
  • Pedon Purpose: research site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - ashton
  • Taxonomic Class - Fine-silty, siliceous Aquollic Hapludalfs
  • Taxon Kind - taxon above family
  • PSC - 33 to 83 cm.
  • Classificaton Date - 12/28/1995
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from limestone and sandstone
  • Landscape: river valley
  • Landform: terrace
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/28/1995 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    mollic epipedon

    cambic horizon

    argillic horizon

    mottles with chroma 2 or less

    0—20

    33—48

    48—274

    61—274

    —-

    —-

    —-

    —-
    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

    6

    —

    —

    —

    —

    —

    —

    —

    —

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark brown (10YR 3/3) silt loam; strong medium platy parts to weak fine subangular blocky, and weak fine granular structure; friable; 3.0 fine roots; 1 percent fine spherical black (7.5YR 2/1) iron-manganese concretions; fragments; abrupt smooth boundary. Lab sample # MU053912
    AB—20 to 33 centimeters (7.9 to 13.0 inches); dark grayish brown (10YR 4/2) silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots; 1 percent fine spherical black (7.5YR 2/1) iron-manganese concretions; fragments; clear smooth boundary. Lab sample # MU053913
    BA—33 to 48 centimeters (13.0 to 18.9 inches); yellowish brown (10YR 5/4) silt loam; weak fine subangular blocky structure; friable; 1.0 fine roots; 15 percent faint light brownish gray (10YR 6/2), moist, silt coats on faces of peds; 1 percent fine spherical black (7.5YR 2/1) iron-manganese concretions; fragments; clear smooth boundary. Lab sample # MU053914
    Bt1—48 to 64 centimeters (18.9 to 25.2 inches); dark yellowish brown (10YR 4/4) silt loam; 1 percent very pale brown (10YR 7/3) fine faint mottles; moderate fine subangular blocky structure; friable; 1.0 fine roots; 15 percent faint dark yellowish brown (10YR 4/6), moist, clay films on vertical faces of peds; 1 percent fine spherical black (7.5YR 2/1) iron-manganese concretions; fragments; clear smooth boundary. Lab sample # MU053915
    Bt2—64 to 81 centimeters (25.2 to 31.9 inches); dark yellowish brown (10YR 4/4) silty clay loam; 1 percent gray (10YR 6/1) fine faint mottles; moderate fine angular blocky, and subangular blocky structure; firm; 1.0 fine roots; 35 percent faint brown (10YR 4/3), moist, clay films on faces of peds and 35 percent faint light brownish gray (10YR 6/2), moist, silt coats on faces of peds; 1 percent fine spherical black (7.5YR 2/1) iron-manganese concretions; fragments; clear smooth boundary. Lab sample # MU053916
    Bt31—81 to 97 centimeters (31.9 to 38.2 inches); grayish brown (10YR 5/2) silty clay; strong fine and medium angular blocky structure; very firm; 1.0 fine roots; 15 percent prominent black (7.5YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 35 percent distinct dark yellowish brown (10YR 4/4), moist, iron stains on vertical faces of peds and 70 percent prominent grayish brown (10YR 5/2), moist, clay films on all faces of peds and 70 percent prominent light brownish gray (10YR 6/2), moist, silt coats on all faces of peds; fragments; clear smooth boundary. Lab sample # MU053917
    Bt32—97 to 109 centimeters (38.2 to 42.9 inches); silty clay loam; fragments. Lab sample # MU053918
    2Bt4—109 to 124 centimeters (42.9 to 48.8 inches); dark yellowish brown (10YR 4/4) silt loam; 1 percent grayish brown (10YR 5/2) fine faint mottles; weak coarse angular blocky parts to weak fine subangular blocky structure; firm; 1.0 fine roots; 15 percent prominent black (7.5YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 35 percent prominent gray (10YR 5/1), moist, clay films on all faces of peds; fragments; clear smooth boundary. Lab sample # MU053919
    2Bt5—124 to 140 centimeters (48.8 to 55.1 inches); dark yellowish brown (10YR 4/4) silt loam; 10 percent gray (10YR 6/1) fine distinct mottles; weak fine platy parts to weak fine and medium subangular blocky structure; firm; 1.0 fine roots; 15 percent distinct dark grayish brown (10YR 4/2), moist, clay films on faces of peds and 15 percent prominent black (7.5YR 2/1), moist, manganese or iron-manganese stains on faces of peds; fragments; clear smooth boundary. Lab sample # MU053920
    2Bt6—140 to 157 centimeters (55.1 to 61.8 inches); dark yellowish brown (10YR 4/4) silt loam; 10 percent light brownish gray (10YR 6/2) fine prominent mottles; weak fine platy parts to weak fine and medium subangular blocky structure; firm; 15 percent distinct brown (10YR 4/3), moist, clay films on faces of peds and 15 percent prominent black (7.5YR 2/1), moist, manganese or iron-manganese stains on faces of peds; 1 percent by volume 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU053921
    2Bt7—157 to 170 centimeters (61.8 to 66.9 inches); strong brown (7.5YR 4/6) silty clay loam; 10 percent light brownish gray (10YR 6/2) fine prominent mottles; weak fine platy parts to weak fine and medium subangular blocky structure; firm; 15 percent prominent dark grayish brown (10YR 4/2), moist, clay films on faces of peds and 15 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds and 15 percent prominent black (7.5YR 2/1), moist, manganese or iron-manganese stains on faces of peds; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU053922
    2Bt8—170 to 198 centimeters (66.9 to 78.0 inches); strong brown (7.5YR 4/6) silty clay loam; 10 percent gray (10YR 5/1) fine distinct and 10 percent light brownish gray (10YR 6/2) fine distinct mottles; moderate fine and medium subangular blocky structure; firm; 15 percent prominent black (7.5YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 35 percent prominent brown (10YR 4/3), moist, clay films on faces of peds and 35 percent faint dark reddish brown (2.5YR 3/4), moist, clay films on faces of peds; 5 percent by volume 2-39-75 millimeter limestone, cherty fragments. Lab sample # MU053923
    2C—198 to 213 centimeters (78.0 to 83.9 inches); loam; fragments. Lab sample # MU053924