IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2008MO027077
  • User Pedon ID: 2008MO027077
  • Vegetation Plot ID: 2008MO027077
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0802777
  • NCSS Pedon Lab Data NASIS Record ID - 30202
  • 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: 38.7751944
  • Std. Longitude: -91.7786944
  • Datum: WGS84
  • Township: T46N
  • Range: R8W
  • Section: 11
  • PLSS Details: 111 feet West and 1,906 feet South from the North East corner
  • Country: US—United States
  • State: Missouri
  • County: MO027—Callaway
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO027—Callaway County, Missouri
  • 7.5 Minute USGS Quad: 38091-G7—Reform, Missouri

    • PEDON

  • Describers Name: LeAnn Bullard, Mike Chalfant, 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 #: 77
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • PSC - 0 to 0 cm.
  • Classificaton Date - 3/27/2008
  • Soil Taxonomic Edition - first edition
  • Moisture Class - aquic
  • Moisture SUBClass - aeric
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: pre-Illinoian Stage fine-silty loess derived from mixed over pre-Illinoian Stage clayey till derived from chert
  • Landscape: till plain
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: convex
  • Runoff: negligible
  • Drainage Class: excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Cheltenham Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/27/2008 (actual site observation date)
  • Air Photo ID: 38091g7
  • 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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    FESTU

    Festuca

    fescue

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    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

    —

    —

    249.9

    —

    90

    —

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    —

    —

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); fragments; clear smooth boundary.; observed in pit, small
    Btg—20 to 61 centimeters (7.9 to 24.0 inches); grayish brown (10YR 5/2) broken face silty clay; firm; 10.0 fine roots throughout; 3.0 fine tubular pores; 35 percent distinct clay films; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU029856; observed in pit, small
    Bt—61 to 107 centimeters (24.0 to 42.1 inches); yellowish brown (10YR 5/4) broken face silty clay loam; moderate medium subangular blocky, and weak fine prismatic structure; firm; 3.0 fine roots throughout; 3.0 fine tubular pores; 12 percent distinct silt coats and 35 percent distinct clay films; 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 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; fragments; clear smooth boundary. Lab sample # MU029857; observed in pit, small
    2Bt1—107 to 198 centimeters (42.1 to 78.0 inches); brown (10YR 5/3) broken face silty clay; moderate medium subangular blocky, and weak fine prismatic structure; firm; 10.0 fine roots throughout; 3.0 fine tubular pores; 12 percent distinct silt coats and 35 percent distinct clay films; 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 and 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU029858; observed in pit, small
    2Btg1—198 to 234 centimeters (78.0 to 92.1 inches); light brownish gray (10YR 6/2) broken face silty clay; moderate fine subangular blocky, and moderate coarse prismatic structure; very firm; 3.0 fine tubular 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 and 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 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. Lab sample # MU029859; observed in pit, small
    2Btg2—234 to 343 centimeters (92.1 to 135.0 inches); gray (10YR 6/1) broken face silty clay; moderate fine and medium subangular blocky, and moderate coarse prismatic structure; very firm; 3.0 fine tubular pores; 12 percent faint pressure faces and 70 percent distinct clay films; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 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
    2Btss—343 to 427 centimeters (135.0 to 168.1 inches); yellowish brown (10YR 5/4) broken face clay; moderate medium subangular blocky, and moderate coarse prismatic structure; very firm; 3.0 very fine tubular pores; 35 percent distinct slickensides (geogenic) 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 and 1 percent medium faint irregular noncoherent cemented gray (10YR 6/1), 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
    2Btg3—427 to 511 centimeters (168.1 to 201.2 inches); gray (10YR 6/1) broken face silty clay; weak fine subangular blocky, and moderate fine subangular blocky structure; very firm; 3.0 fine tubular 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 and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), 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
    3Btg1—511 to 653 centimeters (201.2 to 257.1 inches); gray (10YR 6/1) broken face clay; moderate angular blocky, and moderate coarse prismatic structure; very firm; 3.0 fine tubular pores; 12 percent faint pressure faces and 70 percent prominent clay films; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/4), 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 and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; clear smooth boundary.; observed in pit, small
    3Bt—653 to 762 centimeters (257.1 to 300.0 inches); yellowish brown (10YR 5/6) broken face silty clay loam; moderate fine and medium subangular blocky, and moderate coarse prismatic structure; very firm; 3.0 fine tubular pores; 35 percent distinct clay films; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), 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; 3 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in pit, small
    3Btk—762 to 907 centimeters (300.0 to 357.1 inches); gray (10YR 6/1) broken face silty clay; weak medium platy, and weak coarse prismatic, and moderate fine wedge structure; very firm; 10.0 very fine tubular pores; 12 percent distinct clay films; 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 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; 6 percent medium distinct light gray (10YR 7/1), moist,; 4 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter mixed fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    3BC—907 to 1067 centimeters (357.1 to 420.1 inches); light olive brown (2.5Y 5/4) broken face silty clay loam; moderate very fine wedge structure; very firm; 10.0 very fine tubular pores; 3 percent distinct 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 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; 3 percent fine distinct light gray (10YR 7/1), moist,; 2 percent by volume nonflat very strongly coherent cemented 5-?-20 millimeter mixed fragments and 5 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter mixed fragments; slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    3Cd—1067 to 1097 centimeters (420.1 to 431.9 inches); light olive brown (2.5Y 5/4) broken face silty clay; massive; extremely firm; 10.0 very fine tubular pores; 3 percent distinct clay films; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), 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 and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent fine distinct black (10YR 2/1), moist, and 2 percent fine distinct light gray (10YR 7/1), moist,; 3 percent by volume nonflat very strongly coherent cemented 5-?-20 millimeter mixed fragments and 5 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter mixed fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    4C—1097 to 1219 centimeters (431.9 to 479.9 inches); 50 percent dark reddish gray (5YR 4/2) broken face and 30 percent brownish yellow (10YR 6/8) broken face and 20 percent light greenish gray (10Y 8/1) broken face clay; massive; very firm; 2 percent fine distinct black (10YR 2/1), moist,; 7 percent by volume nonflat very strongly coherent cemented 5-?-20 millimeter mixed fragments; slight effervescence, by hcl, 1n.; observed in pit, small