IDENTIFIERS

  • Current Taxon Name (Soil Name): Menfro
  • OSD
  • Series Extent
  • User Site ID: 2007MO189012
  • User Pedon ID: 2007MO189012
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0718912
  • NCSS Pedon Lab Data NASIS Record ID - 25763
  • Print Date: 5/29/2024

    • 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: 38.6374722
  • Std. Longitude: -90.6725000
  • Datum: WGS84
  • Township: T45N
  • Range: R3E
  • Section: 15
  • PLSS Details: 3,897 feet West and 1,018 feet North from the South East corner
  • Country: US—United States
  • State: Missouri
  • County: MO189—St. Louis
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO189—St. Louis County and St. Louis City, Missouri
  • 7.5 Minute USGS Quad: 38090-F6—Weldon Spring, Missouri

    • PEDON

  • Describers Name: Grant Butler
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 12
  • Correlated Information:
  • Soil Name - Menfro
  • PSC - 23 to 73 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Menfro
  • Classificaton Date - 11/1/2007
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-silty loess derived from mixed
  • Landscape: upland
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/1/2007 (actual site observation date)
  • Air Photo ID: 38090f6se
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion gully
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—23

    23—208

    —23—

    —185—
    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

    —

    —

    202.7

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); dark brown (10YR 3/3) interior, brown (10YR 5/3) interior, dry; silt; weak very fine subangular blocky structure; very friable; 10.0 very fine roots and 3.0 fine roots; 10.0 very fine tubular and 0.5 fine tubular pores; fragments; abrupt smooth boundary. Lab sample # MU004731; observed in push tube
    AB—10 to 23 centimeters (3.9 to 9.1 inches); brown (10YR 4/3) interior silt; weak thin platy, and moderate medium subangular blocky structure; friable; 0.5 very fine roots and 0.5 fine roots; 0.5 very fine tubular and 0.5 fine tubular pores; fragments; clear smooth boundary.; observed in push tube
    Bt1—23 to 43 centimeters (9.1 to 16.9 inches); 50 percent brown (10YR 4/3) interior and 50 percent yellowish brown (10YR 5/4) interior silt loam; moderate fine subangular blocky, and moderate fine and medium prismatic structure; friable; 3.0 very fine roots and 0.5 fine roots; 3.0 very fine tubular and 3.0 fine tubular pores; 10 percent brown (10YR 5/3), moist, silt coats on vertical faces of peds and 50 percent distinct dark yellowish brown (10YR 4/4), moist, 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; fragments; gradual wavy boundary.; observed in push tube
    Bt2—43 to 66 centimeters (16.9 to 26.0 inches); 50 percent dark yellowish brown (10YR 4/4) interior and 50 percent yellowish brown (10YR 5/4) interior silty clay loam; moderate fine angular blocky, and moderate fine and medium prismatic structure; firm; 3.0 very fine roots and 0.5 fine roots; 3.0 very fine tubular and 0.5 fine tubular pores; 25 percent pale brown (10YR 6/3), moist, silt coats on vertical faces of peds and 65 percent distinct brown (10YR 4/3), moist, 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; fragments; gradual wavy boundary.; observed in push tube
    Bt3—66 to 84 centimeters (26.0 to 33.1 inches); 60 percent dark yellowish brown (10YR 4/4) interior and 40 percent yellowish brown (10YR 5/4) interior silty clay loam; moderate fine and medium subangular blocky, and moderate medium prismatic structure; firm; 3.0 very fine roots and 0.5 fine roots; 3.0 very fine tubular and 0.5 fine tubular pores; 10 percent pale brown (10YR 6/3), moist, silt coats on vertical faces of peds and 75 percent prominent brown (10YR 4/3), moist, 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; fragments; gradual wavy boundary.; observed in push tube
    Bt4—84 to 142 centimeters (33.1 to 55.9 inches); 40 percent dark yellowish brown (10YR 4/4) interior and 60 percent yellowish brown (10YR 5/4) interior silty clay loam; moderate fine and medium subangular blocky, and moderate medium prismatic structure; firm; 3.0 very fine roots; 3.0 very fine tubular and 0.5 fine tubular pores; 5 percent pale brown (10YR 6/3), moist, silt coats on vertical faces of peds and 55 percent distinct dark yellowish brown (10YR 4/4), moist, 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; fragments; clear wavy boundary.; observed in push tube
    Bt5—142 to 208 centimeters (55.9 to 81.9 inches); 50 percent brown (10YR 5/3) interior and 50 percent yellowish brown (10YR 5/4) interior silt loam; weak medium subangular blocky, and weak medium prismatic structure; friable; 0.5 very fine roots; 3.0 very fine tubular pores; 5 percent pale brown (10YR 6/3), moist, silt coats and 25 percent faint brown (10YR 4/3), moist, 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; fragments.; observed in push tube