IDENTIFIERS

  • Current Taxon Name (Soil Name): Tonti
  • OSD
  • Series Extent
  • User Site ID: 1993MO067007M
  • User Pedon ID: 1993MO067007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9306707
  • Print Date: 1/31/2025

    • 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: 37.0586824
  • Std. Longitude: -92.7187863
  • Datum: WGS84
  • Township: T27N
  • Range: R16W
  • Section: 5
  • PLSS Details: 1740 feet W and 640 feet of the S of center
  • Location Description: 1740 feet west and 640 feet south of center of section 5 T27N R16W. Walker farm near north county line on Highway K.
  • Map Unit: 73121—Scholten-Tonti complex, 3 to 8 percent slopes
  • State: Missouri
  • County: MO067—Douglas
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO067—Douglas County, Missouri

    • PEDON

  • Describers Name: GAL and WM
  • Current Taxonomic Class: Fine-loamy, mixed Typic Fragiudults
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Tonti
  • PSC - 23 to 41 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Tonti
  • Taxon Kind - series
  • Classificaton Date - 2/2/1993
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: mixed loess over pedisediment over residuum
  • Landscape: plateau
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/2/1993 (actual site observation date)
  • Air Photo ID: 2256-137
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    fragipan

    argillic horizon

    0—23

    23—41

    41—114

    114—155

    —-

    —-

    —-

    —-
    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

    2

    —

    —

    509

    —

    200

    1092

    —

    —

    12.8

    —

    —

    —

    —

    —

    —

    —

    5227

    Mansfield

    TAPS
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 5/3), very pale brown (10YR 7/3), dry; silt loam; weak very fine subangular blocky parts to moderate very fine and fine granular structure; friable; 3.0 very fine and fine roots; 20 percent distinct brown (10YR 4/3) organic stains on faces of peds; 10 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. Lab sample # MU047671. discontinuous - phpvsfiid 128379; discontinuous - phpvsfiid 128379
    E—10 to 23 centimeters (3.9 to 9.1 inches); yellowish brown (10YR 5/4) silt; moderate very fine and fine subangular blocky parts to weak very fine granular structure; friable; 2.0 very fine and fine roots; 30 percent distinct brown (10YR 5/3) organic stains on faces of peds; 1 percent fine spherical iron-manganese masses; 10 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary. Lab sample # MU047672. discontinuous - phpvsfiid 128380; discontinuous - phpvsfiid 128380
    Bt1—23 to 41 centimeters (9.1 to 16.1 inches); strong brown (7.5YR 5/6) and yellowish brown (10YR 5/6) gravelly silty clay loam; 1 percent red (2.5YR 4/6) fine prominent mottles; moderate very fine and fine subangular blocky structure; friable; 3.0 very fine and fine roots; 30 percent distinct yellowish brown (10YR 5/4) clay films on faces of peds and 30 percent distinct strong brown (7.5YR 4/6) clay films on faces of peds; 1 percent fine spherical iron-manganese masses; 25 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; abrupt wavy boundary. Lab sample # MU047673. discontinuous - phpvsfiid 128381; discontinuous - phpvsfiid 128382; discontinuous - phpvsfiid 128381; discontinuous - phpvsfiid 128382
    2Btx1—41 to 81 centimeters (16.1 to 31.9 inches); yellowish red (5YR 4/6) and light olive gray (5Y 6/2) and yellowish brown (10YR 5/4) very gravelly silt loam; moderate coarse prismatic parts to strong very fine and fine subangular blocky structure; firm; brittle; 30 percent distinct yellowish brown (10YR 5/4) clay films on vertical faces of peds; 10 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 40 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.2, hellige-truog; clear wavy boundary. Lab sample # MU047674. continuous - phpvsfiid 128383; continuous - phpvsfiid 128383
    2Btx2—81 to 114 centimeters (31.9 to 44.9 inches); red (2.5YR 4/6) extremely gravelly silt loam; 40 percent brown (7.5YR 5/4) fine and medium distinct mottles; moderate coarse prismatic parts to strong very fine and fine subangular blocky structure; firm; brittle; 20 percent distinct brown (10YR 5/3) clay films on vertical faces of peds and 20 percent distinct dark yellowish brown (10YR 4/4) clay films on vertical faces of peds; 25 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 50 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; abrupt wavy boundary. Lab sample # MU047675. discontinuous - phpvsfiid 128384; discontinuous - phpvsfiid 128385; discontinuous - phpvsfiid 128384; discontinuous - phpvsfiid 128385
    3Bt2—114 to 135 centimeters (44.9 to 53.1 inches); yellowish red (5YR 5/8) very gravelly silty clay; 1 percent pale red (2.5YR 6/2) fine prominent and 1 percent pale brown (10YR 6/3) fine prominent mottles; moderate fine subangular blocky structure; firm; 1 percent distinct brown (7.5YR 4/4) clay films in root channels and/or pores and 30 percent prominent reddish brown (2.5YR 4/4) clay films on faces of peds and 30 percent prominent red (2.5YR 4/6) clay films on faces of peds; 20 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 35 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; clear wavy boundary. Lab sample # MU047676. continuous - phpvsfiid 128386; continuous - phpvsfiid 128387; continuous - phpvsfiid 128388; continuous - phpvsfiid 128386; continuous - phpvsfiid 128387; continuous - phpvsfiid 128388
    3Bt3—135 to 155 centimeters (53.1 to 61.0 inches); red (10R 4/6) extremely cobbly clay; 1 percent yellowish brown (10YR 5/6) fine prominent and 1 percent strong brown (7.5YR 5/8) fine prominent and 10 percent gray (10YR 6/1) fine prominent mottles; moderate very fine and fine subangular blocky structure; firm; 60 percent distinct dark red (2.5YR 3/6) clay films on faces of peds; 15 percent by volume angular 2-39-75 millimeter limestone, cherty fragments and 60 percent by volume angular 75-162-250 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog. Lab sample # MU047677. continuous - phpvsfiid 128389; continuous - phpvsfiid 128389