IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2005MO139051
  • User Pedon ID: 2005MO139051
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0513951
  • NCSS Pedon Lab Data NASIS Record ID - 30377
  • Print Date: 2/17/2025

    • 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: 38.8813889
  • Std. Longitude: -91.4436111
  • Datum: WGS84
  • Township: T48N
  • Range: R5W
  • Section: 35
  • PLSS Details: 2,617 feet East and 2,079 feet North from the South West corner
  • Location Description: about 1 mile south of I-70 at junction of new and old Highway 19
  • Country: US—United States
  • State: Missouri
  • County: MO139—Montgomery
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: MO603—Montgomery and Warren Counties, Missouri
  • 7.5 Minute USGS Quad: 38091-H4—New Florence, Missouri

    • PEDON

  • Describers Name: Greg Caldwell, Scott Paine, Mike Chalfant
  • Current Taxonomic Class: Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • Current Taxon Kind: family
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 51
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • PSC - 25 to 102 cm.
  • Classificaton Date - 3/3/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture SUBClass - aeric
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: till plain
  • Landform: hillslope
  • Geomorphic Component Hills: head slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Pre-illinoian Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/3/2005 (actual site observation date)
  • Air Photo ID: 38091h4sw
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - other
  • Site Obs. Cover Kind 2 - rural transportation
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion rill
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    argillic horizon

    122—696

    —574—
    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

    —

    —

    267.6

    —

    11

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    C1—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) crushed silt loam; massive; friable; 10 percent by volume nonflat subangular indurated 2-?-75 millimeter limestone, unspecified fragments; abrupt smooth boundary. Lab sample # MU026677; observed in pit, small
    C2—20 to 61 centimeters (7.9 to 24.0 inches); variegated 50 percent dark yellowish brown (10YR 4/4) broken face and 35 percent yellowish brown (10YR 5/6) broken face and 15 percent brown (10YR 5/3) broken face silty clay loam; massive; firm; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix; 25 percent by volume nonflat subangular indurated 2-?-75 millimeter limestone, unspecified fragments; abrupt smooth boundary. Lab sample # MU026678; observed in pit, small
    C3—61 to 122 centimeters (24.0 to 48.0 inches); 40 percent yellowish brown (10YR 5/4) broken face and 30 percent dark yellowish brown (10YR 4/6) broken face and 15 percent grayish brown (10YR 5/2) broken face and 15 percent very dark grayish brown (10YR 3/2) broken face silty clay loam; massive; firm; fragments; abrupt smooth boundary. Lab sample # MU026679; observed in pit, small
    Btg1—122 to 137 centimeters (48.0 to 53.9 inches); 75 percent grayish brown (10YR 5/2) broken face and 25 percent reddish brown (2.5YR 5/3) broken face silty clay; strong fine subangular blocky structure; very firm; 30 percent distinct clay films on all faces of peds; fragments; abrupt smooth boundary. Lab sample # MU026680; observed in pit, small
    Btg2—137 to 168 centimeters (53.9 to 66.1 inches); dark greenish gray (5GY 4/1) broken face silty clay; weak medium prismatic structure; very firm; 10 percent distinct clay films on all faces of peds; fragments; clear smooth boundary. Lab sample # MU026681; observed in pit, small
    Btg3—168 to 213 centimeters (66.1 to 83.9 inches); gray (2.5Y 5/1) broken face silty clay loam; weak medium subangular blocky, and weak medium prismatic structure; firm; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU026682; observed in pit, small
    Btg4—213 to 320 centimeters (83.9 to 126.0 inches); gray (10YR 5/1) broken face silty clay loam; weak medium prismatic structure; firm; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary.; observed in pit, small
    2Btg5—320 to 411 centimeters (126.0 to 161.8 inches); 70 percent dark gray (10YR 4/1) broken face and 30 percent yellowish brown (10YR 5/6) broken face silty clay loam; weak medium prismatic structure; firm; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary.; observed in pit, small
    2Bt—411 to 488 centimeters (161.8 to 192.1 inches); 75 percent yellowish brown (10YR 5/6) broken face and 25 percent gray (2.5Y 6/1) broken face clay loam; weak coarse prismatic structure; firm; 2 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; gradual smooth boundary.; observed in pit, small
    2Btk—488 to 701 centimeters (192.1 to 276.0 inches); 85 percent yellowish brown (10YR 5/6) broken face and 15 percent gray (2.5Y 6/1) broken face clay loam; weak thick platy structure; firm; 2 percent distinct clay films on all faces of peds and 10 percent distinct silt coats on all faces of peds; 8 percent fine prominent carbonate masses; 1 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    2Cd—701 to 808 centimeters (276.0 to 318.1 inches); yellowish brown (10YR 5/6) broken face clay loam; massive; very firm; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; strong effervescence, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    3Bw1—808 to 884 centimeters (318.1 to 348.0 inches); 90 percent yellowish brown (10YR 5/6) broken face and 10 percent gray (2.5Y 6/1) broken face clay loam; weak thick platy structure; very firm; 5 percent distinct silt coats on all faces of peds; fragments; abrupt smooth boundary.; observed in pit, small
    3Bw2—884 to 914 centimeters (348.0 to 359.8 inches); 90 percent yellowish brown (10YR 5/6) broken face and 10 percent gray (2.5Y 6/1) broken face loam; weak thick platy structure; firm; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; abrupt smooth boundary.; observed in pit, small
    3BC—914 to 1143 centimeters (359.8 to 450.0 inches); 75 percent yellowish brown (10YR 5/6) broken face and 25 percent gray (2.5Y 6/1) broken face clay loam; weak thick platy structure; firm; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary.; observed in pit, small
    3Ck—1143 to 1189 centimeters (450.0 to 468.1 inches); 50 percent yellowish brown (10YR 5/6) broken face and 50 percent dark yellowish brown (10YR 4/6) broken face fine sandy loam; massive; loose; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), moist, iron depletions with clear boundaries in matrix; 5 percent fine prominent gray (2.5Y 6/1), moist, carbonate masses; fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in pit, small
    3Cd—1189 to 1295 centimeters (468.1 to 509.8 inches); yellowish brown (10YR 5/6) broken face clay loam; massive; very firm; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary.; observed in pit, small