IDENTIFIERS

  • Current Taxon Name (Soil Name): Tonti
  • OSD
  • Series Extent
  • User Site ID: 1994MO153056M
  • User Pedon ID: 1994MO153056
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9415334
  • 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: 36.6992500
  • Std. Longitude: -92.2914389
  • Datum: WGS84
  • Township: T23N
  • Range: R12W
  • Section: 4
  • PLSS Details: 1500 feet E and 2300 feet N of the SW corner
  • Location Description: 1500 feet east and 2300 feet north of the SW corner of Sec. 4, T. 23 N., R. 12 W.
  • Map Unit: 70026—Tonti silt loam, 1 to 3 percent slopes
  • State: Missouri
  • County: MO153—Ozark
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO153—Ozark County, Missouri

    • PEDON

  • Describers Name: Buddy Festervand, Gene Campbell, Tony Dohmen, Kelly Shrabel
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Typic Fragiudults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Tonti
  • PSC - 15 to 64 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Tonti
  • Taxon Kind - series
  • Classificaton Date - 7/8/1994
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 27 percent of Percent clay in the control section


    • SITE

  • Parent Material: mixed loess over pedisediment over residuum
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Geology: Jeff City formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/8/1994 (actual site observation date)
  • Air Photo ID: 9-2
  • Surface Cover Properties:
  • 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

    fragipan

    —

    —

    —

    64 -

    - 97 -

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

    ochric epipedon

    argillic horizon

    fragipan

    0—15

    15—203

    64—160

    —-

    —-

    —-
    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

    —

    —

    270

    —

    30

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 18 centimeters (1.2 to 7.1 inches); brown (10YR 4/3) silt loam; moderate fine granular structure; friable; 10.0 fine and medium roots; 5 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU050953
    Bt1—18 to 31 centimeters (7.1 to 12.2 inches); 70 percent yellowish brown (10YR 5/6) and 30 percent strong brown (7.5YR 5/6) silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots; 10 percent faint clay films on faces of peds; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU050954
    Bt2—31 to 54 centimeters (12.2 to 21.3 inches); strong brown (7.5YR 5/6) gravelly silty clay loam; moderate medium subangular blocky structure; firm; 3.0 fine to coarse roots; 30 percent faint clay films on faces of peds; 15 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU050955
    Bt3—54 to 67 centimeters (21.3 to 26.4 inches); strong brown (7.5YR 5/6) gravelly silty clay loam; weak fine subangular blocky structure; firm; 3.0 fine and medium roots; 10 percent prominent light yellowish brown (10YR 6/4), moist, silt coats on vertical faces of peds and 35 percent distinct clay films on faces of peds; 1 percent fine prominent light brownish gray (10YR 6/2), moist, iron depletions throughout; 15 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; clear wavy boundary. Lab sample # MU050956
    2Btx1—67 to 92 centimeters (26.4 to 36.2 inches); 55 percent strong brown (7.5YR 5/6) and 20 percent light yellowish brown (10YR 6/4) and 20 percent gray (10YR 6/1) and 5 percent brownish yellow (10YR 6/8) gravelly silt loam; strong coarse prismatic parts to moderate medium subangular blocky structure; firm; 35 percent prominent clay films on faces of peds; 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU050957
    2Btx2—92 to 115 centimeters (36.2 to 45.3 inches); 45 percent strong brown (7.5YR 5/6) and 20 percent light yellowish brown (10YR 6/4) and 20 percent gray (10YR 6/1) and 10 percent gray (10YR 5/1) and 5 percent brownish yellow (10YR 6/8) very gravelly silt loam; strong coarse prismatic parts to moderate medium subangular blocky structure; firm; 35 percent prominent clay films on faces of peds; 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; gradual smooth boundary. Lab sample # MU050958
    2Btx3—115 to 163 centimeters (45.3 to 64.2 inches); 80 percent strong brown (7.5YR 5/6) and 20 percent gray (10YR 5/1) extremely gravelly loam; moderate fine subangular blocky structure; firm; 35 percent prominent clay films on faces of peds and 35 percent pale brown (10YR 6/3) silt coats; 70 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; clear wavy boundary. Lab sample # MU050959
    3Bt4—163 to 206 centimeters (64.2 to 81.1 inches); red (2.5YR 4/6) extremely gravelly clay loam; moderate fine subangular blocky structure; very firm; 35 percent prominent clay films on faces of peds; 10 percent fine prominent gray (10YR 5/1), moist, iron depletions and 10 percent fine prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron; 70 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog. Lab sample # MU050960