IDENTIFIERS

  • Current Taxon Name (Soil Name): Lecoma
  • OSD
  • Series Extent
  • User Site ID: 1997MO067123M
  • User Pedon ID: 1997MO067123
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9706731
  • 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: 36.9528339
  • Std. Longitude: -92.1854599
  • Datum: WGS84
  • Township: T26N
  • Range: R11W
  • Section: 7
  • PLSS Details: 1250 feet W and 400 feet S of the NE corner
  • Location Description: 1250 ft. west and 400 ft. south of the NE corner of section 7, T26N, R11W. North east of Topaz.
  • Map Unit: 73326—Topazmill-Coulstone complex, 3 to 15 percent slopes
  • State: Missouri
  • County: MO067—Douglas
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO067—Douglas County, Missouri

    • PEDON

  • Describers Name: WS,GS,KB,KR
  • Current Taxonomic Class: Coarse-loamy, siliceous Typic Paleudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Lecoma
  • PSC - 56 to 106 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Caverns
  • Taxon Kind - variant
  • Classificaton Date - 6/11/1997
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/11/1997 (actual site observation date)
  • Air Photo ID: 2251-143
  • 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—56

    56—203

    —-

    —-
    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

    14

    —

    —

    287

    —

    280

    1092

    —

    —

    12.8

    —

    —

    —

    —

    —

    —

    —

    5227

    Mansfield

    TAPS
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark yellowish brown (10YR 3/4), pale brown (10YR 6/3), dry; fine sandy loam; moderate very fine granular structure; friable; 7.0 very fine to medium roots; 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary. Lab sample # MU057376
    E—15 to 28 centimeters (5.9 to 11.0 inches); dark yellowish brown (10YR 4/4), very pale brown (10YR 7/3), dry; fine sandy loam; moderate very fine subangular blocky structure; friable; 7.0 very fine and fine roots and 3.0 medium and coarse roots; 0.5 fine tubular pores; 3 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU057377
    BE—28 to 56 centimeters (11.0 to 22.0 inches); dark yellowish brown (10YR 4/6), very pale brown (10YR 7/4), dry; fine sandy loam; moderate very fine subangular blocky structure; friable; 7.0 very fine and fine roots and 0.5 medium and coarse roots; 3.0 fine tubular pores; fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU057378
    Bt1—56 to 79 centimeters (22.0 to 31.1 inches); yellowish brown (10YR 5/6) sandy loam; moderate very fine subangular blocky structure; firm; 3.0 very fine and fine roots and 0.5 medium and coarse roots; 0.5 fine interstitial pores; 25 percent faint , moist, clay bridges between sand grains; 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU057379. discontinuous - phpvsfiid 128343; discontinuous - phpvsfiid 128343
    Bt2—79 to 97 centimeters (31.1 to 38.2 inches); 90 percent dark yellowish brown (10YR 4/6) and 10 percent yellowish brown (10YR 5/4) fine sandy loam; moderate very fine and fine subangular blocky structure; firm; 0.5 very fine to medium roots; 40 percent faint , moist, clay bridges between sand grains; 5 percent by volume subangular 2-39-75 millimeter sandstone, unspecified fragments and 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.3, hellige-truog; gradual smooth boundary. Lab sample # MU057380. discontinuous - phpvsfiid 131126; discontinuous - phpvsfiid 131126
    Bt31—97 to 122 centimeters (38.2 to 48.0 inches); 60 percent strong brown (7.5YR 5/6) and 40 percent light yellowish brown (10YR 6/4) gravelly sandy loam; moderate very fine subangular blocky structure; firm; 0.5 very fine to medium roots; 15 percent distinct , moist, clay films on faces of peds and 40 percent faint , moist, clay bridges between sand grains; 10 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments and 15 percent by volume subangular 2-39-75 millimeter sandstone, unspecified fragments; strongly acid, pH 5.3, hellige-truog. Lab sample # MU057381. discontinuous - phpvsfiid 131127; discontinuous - phpvsfiid 131128; discontinuous - phpvsfiid 131127; discontinuous - phpvsfiid 131128
    Bt32—122 to 145 centimeters (48.0 to 57.1 inches); gravelly sandy loam; 10 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments and 15 percent by volume subangular 2-39-75 millimeter sandstone, unspecified fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU057382
    Bt4—145 to 203 centimeters (57.1 to 79.9 inches); 90 percent yellowish red (5YR 5/8) and 10 percent brownish yellow (10YR 6/6) very gravelly sandy loam; moderate very fine and fine subangular blocky structure; firm; 0.5 very fine to medium roots; 25 percent distinct yellowish red (5YR 5/8), moist, clay films on rock fragments and 30 percent faint , moist, clay bridges between sand grains; 5 percent by volume subangular 75-162-250 millimeter sandstone, unspecified fragments and 35 percent by volume subangular 2-39-75 millimeter sandstone, unspecified fragments; strongly acid, pH 5.4, hellige-truog. Lab sample # MU057383. discontinuous - phpvsfiid 131129; discontinuous - phpvsfiid 131130; discontinuous - phpvsfiid 131129; discontinuous - phpvsfiid 131130