IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulstone
  • OSD
  • Series Extent
  • User Site ID: 1999MO203015M
  • User Pedon ID: 1999MO203015M
  • User Site Association ID: 8604
  • Transect:
  • User Transect ID - shannon-68F4
  • Transect Stop Number - 8
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9961315
  • NCSS Pedon Lab Data NASIS Record ID - 27072
  • User Project ID: 2021-25NCSPR013
  • Project Name: MLRA 116A - Mark Twain National Forest Update
  • Print Date: 1/31/2025

    • 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: 36.9159306
  • Std. Longitude: -91.5215139
  • Datum: WGS84
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 36091-H5—Montier, Missouri

    • PEDON

  • Describers Name: RLT,MS,BM
  • Current Taxonomic Class: Loamy-skeletal, siliceous, active, mesic Typic Paleudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Coulstone
  • PSC - 25 to 100 cm.
  • Classificaton Date - 12/10/2010
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Coulstone
  • Taxonomic Class - Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 30 to 80 cm.
  • Classificaton Date - 2/4/1999
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: not certified
  • QC Status: level 3
  • Field Measured Properties: 5 percent of Percent clay in the control section and 49 Percent rock fragments in the control section (vol)


    • SITE

  • Parent Material: slope alluvium derived from sandstone
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/4/1999 (actual site observation date)
  • Air Photo ID: 24
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—30

    30—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

    33

    —

    —

    262

    —

    203

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 13 centimeters (0.0 to 5.1 inches); very dark grayish brown (10YR 3/2) gravelly sandy loam; weak fine granular structure; very friable; 7.0 fine to coarse roots; 7.0 fine and medium interstitial and tubular pores; 20 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU013984
    E—13 to 30 centimeters (5.1 to 11.8 inches); yellowish brown (10YR 5/4) and dark grayish brown (10YR 4/2) gravelly sandy loam; moderate fine subangular blocky structure; very friable; 7.0 fine to coarse roots; 3.0 fine and medium tubular pores; 20 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU013985
    Bt1—30 to 69 centimeters (11.8 to 27.2 inches); light brown (7.5YR 6/3) very gravelly fine sandy loam; weak fine subangular blocky structure; very friable; 3.0 fine roots; 3.0 fine tubular pores; 15 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; gradual irregular boundary. Lab sample # MU013986
    Bt2—69 to 112 centimeters (27.2 to 44.1 inches); light brown (7.5YR 6/3) very gravelly sandy loam; weak fine subangular blocky structure; very friable; 0.9 fine roots; 3.0 fine tubular pores; 15 percent distinct yellowish red (5YR 5/6) clay films on faces of peds; 10 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; gradual irregular boundary. Lab sample # MU013987
    Bt3—112 to 163 centimeters (44.1 to 64.2 inches); reddish yellow (7.5YR 6/6) extremely gravelly loam; weak fine subangular blocky structure; friable; 0.9 fine roots; 3.0 fine tubular pores; 35 percent distinct strong brown (7.5YR 4/6) clay films on faces of peds and 35 percent distinct pink (7.5YR 7/3) silt coats on faces of peds; 15 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 50 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; gradual irregular boundary. Lab sample # MU013988
    Bt4—163 to 203 centimeters (64.2 to 79.9 inches); strong brown (7.5YR 5/6) extremely gravelly loam; moderate medium subangular blocky, and weak fine subangular blocky structure; friable; 0.9 fine roots; 3.0 fine tubular pores; 35 percent distinct pinkish gray (7.5YR 7/2) silt coats on faces of peds and 35 percent distinct strong brown (7.5YR 5/6) clay films on faces of peds; 10 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 55 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog. Lab sample # MU013989