IDENTIFIERS

  • Current Taxon Name (Soil Name): Tonti
  • OSD
  • Series Extent
  • User Site ID: 2000MO055033M
  • User Pedon ID: 2000MO055033
  • Vegetation Plot ID: 2000MO055033
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0005533
  • 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: 37.8767472
  • Std. Longitude: -91.3356944
  • Datum: WGS84
  • Map Unit: 73166—Viburnum-Tonti complex, 1 to 8 percent slopes
  • State: Missouri
  • County: MO055—Crawford
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO055—Crawford County, Missouri

    • PEDON

  • Describers Name: John Fraga Dennis M. Meinert Scott Larsen
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Typic Fragiudults
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Tonti
  • PSC - 25 to 56 cm.
  • Classificaton Date - 3/1/2011
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Tonti
  • Taxon Kind - series
  • Classificaton Date - 6/13/2000
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or slope alluvium derived from limestone and sandstone and/or residuum weathered from limestone and sandstone
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: lower third
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Geology: Roubidoux formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/13/2000 (actual site observation date)
  • Air Photo ID: D-7
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    CARYA

    QUST

    QUVE

    THUJA

    Carya

    Quercus stellata

    Quercus velutina

    Thuja

    hybrid hickory

    post oak

    black oak

    arborvitae

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    —

    56 - 74

    13 - 18 - 30
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    fragipan

    redox depletions with chroma 2 or less

    0—25

    25—152

    56—74

    56—

    —-

    —-

    13—18—30

    —-
    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

    5

    —

    —

    343

    —

    120

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; weak medium subangular blocky parts to moderate fine subangular blocky structure; friable; 7.0 fine and medium roots; 15.0 fine and medium tubular pores; 10 percent by volume angular limestone, cherty fragments; clear smooth boundary. Lab sample # MU021523
    BE—10 to 25 centimeters (3.9 to 9.8 inches); yellowish brown (10YR 5/4) silt loam; moderate medium subangular blocky structure; friable; 6.0 fine to coarse roots; 35.0 fine and medium tubular pores; 5 percent by volume angular limestone, cherty fragments; clear smooth boundary. Lab sample # MU021524
    Bt1—25 to 43 centimeters (9.8 to 16.9 inches); yellowish brown (10YR 5/4) gravelly silt loam; weak medium subangular blocky structure; friable; 3.0 fine to coarse roots; 15.0 fine and medium tubular pores; 15 percent faint clay films on faces of peds and in pores; 25 percent by volume angular limestone, cherty fragments; gradual smooth boundary. Lab sample # MU021525. discontinuous - phpvsfiid 137129; discontinuous - phpvsfiid 137129
    Bt2—43 to 56 centimeters (16.9 to 22.0 inches); yellowish brown (10YR 5/6) gravelly silt loam; weak medium subangular blocky structure; friable; 3.0 fine and medium roots; 15.0 fine tubular pores; 15 percent faint clay films on faces of peds and in pores; 5 percent by volume angular sandstone, unspecified fragments and 10 percent by volume angular limestone, cherty fragments; clear wavy boundary. Lab sample # MU021526. discontinuous - phpvsfiid 137130; discontinuous - phpvsfiid 137130
    2Btx—56 to 74 centimeters (22.0 to 29.1 inches); brown (10YR 5/3) very gravelly silty clay loam; weak very coarse prismatic structure; very firm, strongly coherent; 0.9 fine roots; 60.0 fine to coarse vesicular pores; 15 percent faint clay films on faces of peds; 15 percent fine grayish brown (10YR 5/2) iron depletions throughout; 5 percent by volume angular sandstone, unspecified fragments and 30 percent by volume angular limestone, cherty fragments; clear wavy boundary. Lab sample # MU021527. discontinuous - phpvsfiid 137131; discontinuous - phpvsfiid 137131
    3Bt1—74 to 114 centimeters (29.1 to 44.9 inches); dark grayish brown (10YR 4/2) clay; moderate medium prismatic parts to weak fine angular blocky structure; very firm; 0.1 very fine roots; 0.9 fine interstitial and tubular pores; 60 percent prominent clay films on faces of peds; 10 percent fine reddish yellow (7.5YR 6/8) masses of oxidized iron throughout and 10 percent fine red (2.5YR 4/8) masses of oxidized iron throughout; 5 percent by volume angular limestone, cherty fragments and 5 percent by volume angular sandstone, unspecified fragments; clear wavy boundary. Lab sample # MU021528. continuous - phpvsfiid 137132; continuous - phpvsfiid 137132
    3Bt2—114 to 152 centimeters (44.9 to 59.8 inches); brownish yellow (10YR 6/8) extremely gravelly sandy clay loam; weak coarse prismatic structure; very firm; 0.1 very fine roots; 0.9 fine interstitial and tubular pores; 35 percent prominent clay films on faces of peds; 15 percent fine red (2.5YR 4/8) masses of oxidized iron throughout and 25 percent fine light brownish gray (10YR 6/2) iron depletions throughout; 10 percent by volume angular sandstone, unspecified fragments and 70 percent by volume angular limestone, cherty fragments. Lab sample # MU021529. discontinuous - phpvsfiid 137133; discontinuous - phpvsfiid 137133