IDENTIFIERS

  • Current Taxon Name (Soil Name): KNOX
  • OSD
  • Series Extent
  • User Site ID: 2007MO195051
  • User Pedon ID: 2007MO195051
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0719551
  • NCSS Pedon Lab Data NASIS Record ID - 25666
  • Print Date: 2/16/2025

    • 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: 39.3298611
  • Std. Longitude: -93.2191111
  • Datum: WGS84
  • Township: T52N
  • Range: R21W
  • Section: 4
  • PLSS Details: 3,415 feet West and 416 feet South from the North East corner
  • Location Description: MODOT has detailed State Plan Coordinates
  • Country: US—United States
  • State: Missouri
  • County: MO195—Saline
  • MLRA: 107—Iowa and Missouri Deep Loess Hills
  • Non-MLRA Soil Survey Area: MO195—Saline County, Missouri
  • 7.5 Minute USGS Quad: 39093-C2—Miami, Missouri

    • PEDON

  • Describers Name: Mike Chalfant, Amber Marshaus
  • Current Taxonomic Class: Fine-silty, mixed, superactive, euic, mesic Dystric Eutrochrepts
  • 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 - KNOX
  • Taxonomic Class - Fine-silty, mixed, superactive, euic, mesic Dystric Eutrochrepts
  • PSC - 25 to 102 cm.
  • Classificaton Date - 5/1/2007
  • Soil Taxonomic Edition - second edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Quaternary System fine-silty loess derived from mixed over Quaternary System fine-silty pedisediment derived from mixed
  • Landscape: river valley
  • Landform: pediment
  • Anthropogenic Feature: cut (road, railroad, etc.)
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Upper Wisconsinan Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/2007 (actual site observation date)
  • Air Photo ID: 39093c2nw
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion sheet
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    lithologic discontinuity

    cambic horizon

    46—135

    46—318

    135—318

    —89—

    —272—

    —183—
    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

    20

    —

    —

    210

    —

    290

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    CB—0 to 46 centimeters (0.0 to 18.1 inches); dark yellowish brown (10YR 4/4) broken face silt loam; massive; friable; 0.5 very fine roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; 12 percent distinct dark grayish brown (10YR 4/2), moist, organic stains 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 yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; abrupt wavy boundary. Lab sample # MU004018; observed in pit, small
    2Ab—46 to 135 centimeters (18.1 to 53.1 inches); brown (10YR 4/3) broken face, pale brown (10YR 6/3) crushed, dry; silt loam; weak fine subangular blocky, and weak medium subangular blocky structure; friable; 0.5 medium roots throughout and 0.5 fine roots throughout; 3.0 medium tubular and 3.0 fine tubular pores; 12 percent distinct dark yellowish brown (10YR 3/4), moist, organic stains on all faces of peds; fragments; clear smooth boundary. Lab sample # MU004019; observed in pit, small
    2Bwb—135 to 206 centimeters (53.1 to 81.1 inches); brown (10YR 4/3) broken face and dark yellowish brown (10YR 4/4) rubbed silt loam; weak medium subangular blocky, and moderate coarse prismatic structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine tubular and 0.5 medium tubular and 3.0 fine tubular pores; 12 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on all faces of peds and 35 percent distinct yellowish brown (10YR 5/4), moist, silt coats on all faces of peds and 35 percent distinct brown (10YR 4/3), moist, organoargillans on all faces of peds and 35 percent distinct dark yellowish brown (10YR 3/4), moist, organoargillans on all faces of peds; fragments; clear irregular boundary. Lab sample # MU004020; observed in pit, small
    2BCb—206 to 257 centimeters (81.1 to 101.2 inches); brown (10YR 4/3) broken face silt loam; weak coarse prismatic structure; friable; 0.5 very fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; 12 percent distinct yellowish brown (10YR 5/4), moist, organic stains on all faces of peds and 12 percent distinct dark grayish brown (10YR 4/2), moist, organoargillans on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; clear irregular boundary. Lab sample # MU004021; observed in pit, small
    2CBb—257 to 318 centimeters (101.2 to 125.2 inches); dark yellowish brown (10YR 4/4) broken face silt loam; massive; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 medium tubular and 0.5 fine tubular pores; 3 percent distinct yellowish brown (10YR 5/4), moist, silt coats on surfaces along root channels and 3 percent distinct light brownish gray (10YR 6/2), moist, skeletans on surfaces along root channels and 12 percent distinct dark yellowish brown (10YR 3/4), moist, organic stains on all faces of peds; 1 percent medium faint irregular noncoherent cemented brown (10YR 5/3), moist, iron depletions with clear boundaries in matrix; fragments. Lab sample # MU004022; observed in pit, small