IDENTIFIERS

  • Current Taxon Name (Soil Name): KNOX
  • OSD
  • Series Extent
  • User Site ID: 2007MO195053
  • User Pedon ID: 2007MO195053
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0719553
  • NCSS Pedon Lab Data NASIS Record ID - 25663
  • Print Date: 2/3/2025

    • 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: 39.3298056
  • Std. Longitude: -93.2195278
  • Datum: WGS84
  • Township: T52N
  • Range: R21W
  • Section: 4
  • PLSS Details: 3,530 feet West and 439 feet South from the North East corner
  • Location Description: MoDOT archaeologist have State Plan coordinates and closer elevations, 671.520, 671.33, 671.29, 671.07 ft msl
  • 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: Coarse-silty, mixed, superactive, 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 #: 53
  • Sampled As Information:
  • Soil Name - KNOX
  • Taxonomic Class - Coarse-silty, mixed, superactive, 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 - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-silty pedisediment derived from mixed over fine-silty pedisediment derived from mixed
  • Landscape: river valley
  • Landform: beveled base
  • Geomorphic Component Terraces: tread
  • Hill Slope Profile: toeslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: very low
  • Drainage Class: well
  • Flooding: rare flooding for extremely brief periods
  • 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: flooded
  • Surface Water Depth: 15
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous 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 gully
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    secondary carbonates

    0—5

    5—160

    25—160

    —5—

    —155—

    —135—
    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

    —

    —

    204.2

    —

    220

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 25 centimeters (0.0 to 9.8 inches); brown (10YR 4/3) broken face silt loam; weak fine subangular blocky, and weak medium subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; 12 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on all faces of peds; 1 percent fine prominent cylindrical noncoherent cemented white (10YR 8/1), moist, carbonate, finely disseminated with clear boundaries throughout; fragments; clear wavy boundary. Lab sample # MU003998; observed in pit, small
    2Bwb1—25 to 71 centimeters (9.8 to 28.0 inches); brown (10YR 4/3) broken face and dark yellowish brown (10YR 4/4) rubbed, brown (10YR 5/3) crushed, dry; silt loam; weak medium subangular blocky, and weak medium prismatic structure; friable; 0.5 fine roots throughout; 0.5 fine tubular pores; 12 percent faint dark grayish brown (10YR 4/2), moist, organoargillans on all faces of peds and 12 percent distinct dark yellowish brown (10YR 4/4), moist, silt coats on all faces of peds; 1 percent extremely coarse prominent cylindrical noncoherent cemented yellowish brown (10YR 5/4), moist, insect casts with sharp boundaries throughout; 2 percent by volume nonflat rounded moderately coherent cemented 2-?-75 millimeter carbonate nodules fragments; clear smooth boundary. Lab sample # MU003999; observed in pit, small
    2BCb2—71 to 114 centimeters (28.0 to 44.9 inches); dark yellowish brown (10YR 4/4) broken face silt loam; weak coarse prismatic structure; friable; 0.5 very fine roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; 12 percent faint silt coats on all faces of peds; 1 percent prominent cylindrical noncoherent cemented white (10YR 8/1), moist, carbonate, finely disseminated with clear boundaries throughout; 1 percent by volume nonflat rounded moderately coherent cemented 2-?-75 millimeter carbonate nodules fragments; clear smooth boundary. Lab sample # MU004000; observed in pit, small
    2BCb3—114 to 160 centimeters (44.9 to 63.0 inches); dark yellowish brown (10YR 4/4) broken face silt loam; weak coarse prismatic structure; friable; 0.5 very fine tubular and 0.5 fine tubular pores; 12 percent faint silt coats on all faces of peds; 1 percent fine prominent cylindrical noncoherent cemented white (10YR 8/1), moist, carbonate, finely disseminated with clear boundaries throughout; 1 percent by volume nonflat rounded moderately coherent cemented 2-?-75 millimeter carbonate nodules fragments. Lab sample # MU004001; observed in pit, small