IDENTIFIERS

  • Current Taxon Name (Soil Name): Tonti
  • OSD
  • Series Extent
  • User Site ID: 1988MO167030
  • User Pedon ID: 1988MO167030
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M8916730
  • NCSS Pedon Lab Data NASIS Record ID - 33497
  • Print Date: 4/24/2025

    • 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: 37.7625278
  • Std. Longitude: -93.2280083
  • Datum: WGS84
  • Township: T35N
  • Range: R21W
  • Section: 22
  • PLSS Details: 1000 feet N and 200 feet W of the SE corner
  • Location Description: 1000 feet north and 200 feet west of the southeast corner of sec. 22, T. 35 N., R. 21 W
  • Map Unit: 70008—Goss gravelly silt loam, 3 to 8 percent slopes
  • State: Missouri
  • County: MO167—Polk
  • MLRA: 116B—Springfield Plain
  • Non-MLRA Soil Survey Area: MO167—Polk County, Missouri

    • PEDON

  • Describers Name: Lewis Graves and Richard L. Henderson
  • Current Taxonomic Class: Fine-loamy, mixed Typic Fragiudults
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Tonti
  • PSC - 28 to 56 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Viraton
  • Taxon Kind - series
  • PSC - 28 to 56 cm.
  • Classificaton Date - 11/2/1988
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or colluvium derived from cherty limestone and/or residuum weathered from cherty limestone
  • Landscape: plateau
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/2/1988 (actual site observation date)
  • 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

    0—28

    28—152

    56—152

    —-

    —-

    —-
    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

    3

    —

    —

    329

    —

    190

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2) silt loam; weak very fine granular structure; friable; 10.0 coarse roots; 5 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU036077
    E—8 to 28 centimeters (3.1 to 11.0 inches); brown (10YR 5/3) and yellowish brown (10YR 5/4) silt loam; weak coarse platy structure; friable; 10.0 coarse roots; 5 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU036078
    Bt1—28 to 38 centimeters (11.0 to 15.0 inches); strong brown (7.5YR 4/6) silt loam; moderate very fine subangular blocky structure; firm; 10.0 coarse roots; 60 percent distinct brown (7.5YR 4/4) clay films on faces of peds; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU036079
    Bt2—38 to 56 centimeters (15.0 to 22.0 inches); strong brown (7.5YR 4/6) gravelly clay loam; strong fine subangular blocky structure; firm; 5.0 coarse roots; 10 percent distinct brown (10YR 5/3) silt coats on faces of peds and 60 percent distinct brown (7.5YR 4/4) clay films on faces of peds; 10 percent fine yellowish brown (10YR 5/6) masses of oxidized iron; 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; abrupt wavy boundary. Lab sample # MU036080
    2Btx1—56 to 76 centimeters (22.0 to 29.9 inches); yellowish brown (10YR 5/6) and brown (10YR 5/3) and gray (10YR 6/1) extremely gravelly loam; massive; firm; brittle; 0.5 medium roots in cracks; 10 percent clay films; 1 percent fine dark yellowish brown (10YR 3/4) masses of oxidized iron and 10 percent fine dark yellowish brown (10YR 4/4) masses of oxidized iron; 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU036081
    2Btx2—76 to 152 centimeters (29.9 to 59.8 inches); red (2.5YR 4/6) and brown (10YR 5/3) and gray (10YR 6/1) extremely gravelly loam; massive; firm; brittle; 10 percent fine reddish brown (2.5YR 4/4) masses of oxidized iron; 70 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU036082