IDENTIFIERS

  • Current Taxon Name (Soil Name): Lecoma
  • OSD
  • Series Extent
  • User Site ID: 1998MO091021M
  • User Pedon ID: 1998MO091021
  • User Site Association ID: 7971
  • Transect:
  • User Transect ID - 31C-1
  • Transect Stop Number - 4
  • Transect Interval - 100.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9809102
  • Print Date: 3/2/2025

    • 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: 36.6902333
  • Std. Longitude: -91.7638250
  • Datum: WGS84
  • Map Unit: 73243—Topazmill loam, 3 to 8 percent slopes
  • State: Missouri
  • County: MO091—Howell
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO091—Howell County, Missouri

    • PEDON

  • Describers Name: JDP, MJM, RDR
  • Current Taxonomic Class: Fine-loamy, siliceous Typic Hapludults
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Lecoma
  • PSC - 23 to 73 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Lecoma
  • Taxon Kind - variant
  • Classificaton Date - 4/21/1998
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Landscape: hills
  • Landform: structural bench
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: footslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/21/1998 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—23

    23—188

    —-

    —-
    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

    3

    —

    —

    274

    —

    135

    —

    —

    —

    —

    —

    —

    —

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    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); dark yellowish brown (10YR 4/4) rubbed fine sandy loam; weak fine granular structure; very friable; 3.0 very fine and fine roots throughout; 10.0 very fine interstitial pores; fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU060101
    Bt1—23 to 36 centimeters (9.1 to 14.2 inches); 60 percent yellowish red (5YR 4/6) exterior and 40 percent brown (7.5YR 4/3) exterior loam; weak fine subangular blocky structure; friable; 1.0 fine roots throughout; 7.0 very fine and fine interstitial and tubular pores; 35 percent faint yellowish red (5YR 4/6), moist, clay films on faces of peds; fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU060102. discontinuous - phpvsfiid 140064; discontinuous - phpvsfiid 140064
    Bt2—36 to 79 centimeters (14.2 to 31.1 inches); yellowish red (5YR 4/6) exterior loam; weak fine subangular blocky structure; friable; 1.0 fine roots throughout; 3.0 very fine and fine interstitial and tubular pores; 35 percent distinct reddish brown (5YR 4/4), moist, clay films on faces of peds; 2 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU060103. discontinuous - phpvsfiid 140065; discontinuous - phpvsfiid 140065
    Bt3—79 to 124 centimeters (31.1 to 48.8 inches); red (2.5YR 4/6) exterior gravelly clay loam; weak medium subangular blocky parts to moderate fine subangular blocky structure; firm; 3.0 very fine and fine tubular pores; 15 percent distinct brown (7.5YR 4/3), moist, clay films on faces of peds and 35 percent faint dark red (2.5YR 3/6), moist, clay films on faces of peds; 20 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU060104. discontinuous - phpvsfiid 140066; discontinuous - phpvsfiid 140067; discontinuous - phpvsfiid 140066; discontinuous - phpvsfiid 140067
    Bt4—124 to 155 centimeters (48.8 to 61.0 inches); red (10R 4/6) exterior gravelly sandy clay loam; moderate fine subangular blocky structure; firm; 3.0 very fine and fine tubular pores; 75 percent faint red (10R 4/6), moist, clay films on faces of peds; 15 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU060105. continuous - phpvsfiid 140068; continuous - phpvsfiid 140068
    2Bt5—155 to 188 centimeters (61.0 to 74.0 inches); red (10R 4/6) exterior fine sandy loam; weak fine subangular blocky structure; firm; 3.0 very fine and fine tubular pores; 75 percent distinct weak red (10R 4/4), moist, clay films on faces of peds and in pores; fragments; noneffervescent, by hcl, unspecified. Lab sample # MU060106. continuous - phpvsfiid 140069; continuous - phpvsfiid 140069