IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2008MO027054
  • User Pedon ID: 2008MO027054
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0802754
  • NCSS Pedon Lab Data NASIS Record ID - 30224
  • 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: 38.9743611
  • Std. Longitude: -91.9887778
  • Datum: WGS84
  • Township: T49N
  • Range: R10W
  • Section: 36
  • PLSS Details: 2,592 feet East and 206 feet South from the South West corner
  • Location Description: marked on field map: NE1/4, NE1/4, NW1/4, sec 1, T1, R10
  • Country: US—United States
  • State: Missouri
  • County: MO027—Callaway
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: MO027—Callaway County, Missouri
  • 7.5 Minute USGS Quad: 38091-H8—Kingdom City, Missouri

    • PEDON

  • Describers Name: John Horton, Mike Chalfant, Keith Knelle, Amber Marshaus
  • Current Taxonomic Class: Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 54
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • PSC - 0 to 0 cm.
  • Classificaton Date - 10/17/2007
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture SUBClass - aeric
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-silty loess derived from mixed over clayey till derived from mixed
  • Landscape: till plain
  • Landform: interfluve
  • Anthropogenic Feature: ditch
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Runoff: negligible
  • Drainage Class: excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Upper Wisconsinan Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/17/2007 (actual site observation date)
  • Air Photo ID: 38091h8nw
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • 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 gully
    • 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

    1.5

    —

    —

    269.4

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2) rubbed silt loam; weak fine subangular blocky structure; friable; 3.0 very fine roots throughout; 3.0 very fine and 3.0 fine pores; fragments; clear smooth boundary.; observed in pit, small
    Btg1—15 to 28 centimeters (5.9 to 11.0 inches); 70 percent dark grayish brown (10YR 4/2) broken face and 30 percent dark gray (10YR 4/1) broken face silty clay loam; moderate fine subangular blocky structure; firm; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine and 0.5 fine pores; 12 percent distinct light brownish gray (10YR 6/2), moist, silt coats on all faces of peds and 35 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in pit, small
    Btg2—28 to 48 centimeters (11.0 to 18.9 inches); light brownish gray (2.5Y 6/2) broken face silty clay; moderate medium subangular blocky, and weak medium prismatic structure; firm; 0.5 very fine roots throughout; 0.5 very fine and 0.5 fine pores; 12 percent distinct grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented very dark gray (10YR 3/1), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in pit, small
    Btg3—48 to 97 centimeters (18.9 to 38.2 inches); grayish brown (2.5Y 5/2) broken face silty clay loam; moderate fine subangular blocky, and moderate medium prismatic structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 fine pores; 12 percent distinct grayish brown (2.5Y 5/2), moist, clay films; 1 percent medium faint irregular noncoherent cemented brown (7.5YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), 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; fragments; clear smooth boundary.; observed in pit, small
    2Bt1—97 to 305 centimeters (38.2 to 120.1 inches); dark yellowish brown (10YR 4/4) broken face clay loam; moderate fine subangular blocky, and weak medium prismatic structure; firm; 0.5 very fine roots throughout; 3.0 fine pores; 35 percent distinct light gray (10YR 7/1), moist, silt coats; 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented brown (7.5YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented very dark gray (10YR 3/1), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in pit, small
    3Btgb1—305 to 366 centimeters (120.1 to 144.1 inches); gray (5Y 6/1) broken face silty clay; weak coarse prismatic structure; very firm; 0.5 very fine pores; 35 percent prominent ; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; gradual smooth boundary.; observed in pit, small
    3Btgb2—366 to 427 centimeters (144.1 to 168.1 inches); gray (5Y 6/1) broken face silty clay; weak coarse prismatic structure; very firm; 0.5 very fine pores; 35 percent prominent clay films; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; clear smooth boundary.; observed in pit, small
    3Btgb3—427 to 457 centimeters (168.1 to 179.9 inches); gray (5Y 6/1) broken face silty clay; moderate medium subangular blocky, and weak coarse prismatic structure; very firm; 0.5 very fine pores; 35 percent prominent clay films; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), 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 very strongly coherent cemented 2-?-5 millimeter chert fragments; clear smooth boundary.; observed in pit, small
    3Btb—457 to 610 centimeters (179.9 to 240.2 inches); gray (2.5Y 5/1) broken face clay loam; moderate medium subangular blocky, and weak coarse prismatic structure; very firm; 0.5 very fine pores; 20 percent prominent pressure faces; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), 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 very strongly coherent cemented 2-?-5 millimeter chert fragments; clear smooth boundary.; observed in pit, small
    3Btgb4—610 to 632 centimeters (240.2 to 248.8 inches); light brownish gray (2.5Y 6/2) broken face clay loam; weak massive; firm; 0.5 very fine pores; 12 percent distinct sand coats and 35 percent prominent clay films; 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 strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; abrupt smooth boundary.; observed in pit, small
    3CBb1—632 to 732 centimeters (248.8 to 288.2 inches); yellowish brown (10YR 5/6) broken face clay loam; massive; firm; 0.5 very fine pores; 35 percent distinct clay films; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments and 1 percent by volume nonflat very strongly coherent cemented 2-?-75 millimeter unspecified fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in pit, small
    3CBb2—732 to 777 centimeters (288.2 to 305.9 inches); yellowish brown (10YR 5/6) broken face clay loam; massive; firm; 1 percent medium faint irregular noncoherent cemented light brownish gray (2.5Y 6/2), 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 very strongly coherent cemented 2-?-5 millimeter chert fragments and 1 percent by volume nonflat very strongly coherent cemented 2-?-75 millimeter unspecified fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary.; observed in pit, small
    3C—777 to 838 centimeters (305.9 to 329.9 inches); gray (5Y 6/1) broken face clay; massive; firm; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; very slight effervescence, by hcl, 1n; abrupt smooth boundary.; observed in pit, small
    3C—838 to 853 centimeters (329.9 to 335.8 inches); yellowish brown (10YR 5/6) broken face loam; massive; friable; fragments; strong effervescence, by hcl, 1n.; observed in pit, small