IDENTIFIERS

  • Current Taxon Name (Soil Name): Tonti
  • OSD
  • Series Extent
  • User Site ID: 2001MO179029M
  • User Pedon ID: 2001MO179029M
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M0117929
  • NCSS Pedon Lab Data NASIS Record ID - 30929
  • Print Date: 12/5/2025

    • 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: 37.1870778
  • Std. Longitude: -91.0290861
  • Datum: WGS84
  • Map Unit: 73298—Tonti-Hogcreek complex, 3 to 8 percent slopes
  • State: Missouri
  • County: MO179—Reynolds
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO179—Reynolds County, Missouri
  • 7.5 Minute USGS Quad: 37091-B1—Exchange, Missouri

    • PEDON

  • Describers Name: MS, JP. RLT
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Typic Fragiudults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Tonti
  • PSC - 15 to 41 cm.
  • Classificaton Date - 3/28/2011
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tonti
  • Taxonomic Class - Fine-loamy, mixed, active, mesic Typic Fragiudults
  • Taxon Kind - series
  • PSC - 15 to 41 cm.
  • Classificaton Date - 9/17/2001
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3


    • SITE

  • Parent Material: pedisediment and/or residuum and/or slope alluvium
  • Landscape: hills
  • Landform: hillside
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Geology: Or formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/17/2001 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    noncoherent

    41 - 84

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    fragipan

    3—15

    15—165

    41—84

    —-

    —-

    —-
    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

    —

    —

    312.5

    —

    3

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments. Lab sample # MU64749
    A—3 to 15 centimeters (1.2 to 5.9 inches); brown (10YR 5/3) gravelly silt loam; weak fine granular structure; very friable; 7.0 fine and medium roots; 7.0 fine interstitial pores; 20 percent by volume nonflat indurated 2-?-75 millimeter chert fragments; very strongly acid, pH 4.7, pH meter; clear smooth boundary. Lab sample # MU022925
    Bt1—15 to 41 centimeters (5.9 to 16.1 inches); yellowish brown (10YR 5/6) gravelly silty clay loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots and 3.0 coarse roots; 7.0 fine tubular pores; 15 percent distinct dark yellowish brown (10YR 4/4) clay films and 35 percent distinct light yellowish brown (10YR 6/4) silt coats; 20 percent by volume nonflat indurated 2-?-75 millimeter chert fragments; very strongly acid, pH 4.5, pH meter; clear wavy boundary. Lab sample # MU022926
    2Btx1—41 to 61 centimeters (16.1 to 24.0 inches); 50 percent dark yellowish brown (10YR 4/4) and 50 percent very pale brown (10YR 7/3) gravelly silty clay loam; weak fine subangular blocky structure; firm; brittle; 1.0 fine roots; 7.0 fine vesicular pores; 10 percent distinct grayish brown (10YR 5/2) skeletans; 15 percent by volume nonflat indurated 2-?-75 millimeter chert fragments; 45 percent of brittleness; very strongly acid, pH 4.6, pH meter; clear wavy boundary. Lab sample # MU022927
    2Btx2—61 to 84 centimeters (24.0 to 33.1 inches); 50 percent very pale brown (10YR 7/3) and 50 percent dark yellowish brown (10YR 4/4) silty clay loam; weak coarse prismatic structure; very firm; brittle; 1.0 fine roots; 7.0 fine vesicular pores; 10 percent distinct grayish brown (10YR 5/2) skeletans; 10 percent by volume nonflat indurated 2-?-75 millimeter chert fragments; 65 percent of brittleness; very strongly acid, pH 4.6, pH meter; clear wavy boundary. Lab sample # MU022928
    3Bt2—84 to 109 centimeters (33.1 to 42.9 inches); 70 percent strong brown (7.5YR 5/6) and 30 percent reddish yellow (7.5YR 6/6) silty clay; moderate medium subangular blocky structure; firm; 1.0 fine roots; 7.0 fine vesicular pores; 15 percent distinct dark gray (10YR 4/1) clay films and 15 percent distinct very pale brown (10YR 7/3) skeletans and 35 percent distinct strong brown (7.5YR 4/6) clay films; 1 percent by volume nonflat indurated 2-?-75 millimeter chert fragments; extremely acid, pH 4.3, pH meter; clear wavy boundary. Lab sample # MU022929
    3Bt3—109 to 140 centimeters (42.9 to 55.1 inches); 70 percent strong brown (7.5YR 5/6) and 30 percent reddish yellow (7.5YR 6/6) silty clay loam; moderate medium subangular blocky structure; firm; 1.0 fine roots; 7.0 fine vesicular pores; 15 percent distinct dark gray (10YR 4/1) clay films and 15 percent distinct very pale brown (10YR 7/3) skeletans and 35 percent distinct strong brown (7.5YR 4/6) clay films; 1 percent by volume nonflat indurated 2-?-75 millimeter chert fragments and 2 percent by volume 75-?-250 millimeter sandstone, unspecified fragments and 5 percent by volume nonflat indurated 75-?-250 millimeter chert fragments; very strongly acid, pH 4.6, pH meter; gradual wavy boundary. Lab sample # MU022930
    3Bt4—140 to 165 centimeters (55.1 to 65.0 inches); 40 percent strong brown (7.5YR 5/6) and 40 percent reddish yellow (7.5YR 6/6) and 20 percent pinkish gray (7.5YR 7/2) clay loam; moderate medium subangular blocky structure; firm; 1.0 fine roots; 7.0 fine vesicular pores; 15 percent distinct very pale brown (10YR 7/3) skeletans and 35 percent distinct strong brown (7.5YR 4/6) clay films; 1 percent by volume 2-?-75 millimeter sandstone, unspecified fragments and 5 percent by volume 75-?-250 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.5, pH meter. Lab sample # MU022931