IDENTIFIERS

  • Current Taxon Name (Soil Name): Niangua
  • OSD
  • Series Extent
  • User Site ID: 1997MO203063M
  • User Pedon ID: 1997MO203063M
  • User Site Association ID: 8622
  • Transect:
  • User Transect ID - shannon-74F3
  • Transect Stop Number - 2
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9761363
  • NCSS Pedon Lab Data NASIS Record ID - 27804
  • 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: 37.3761056
  • Std. Longitude: -91.3877944
  • 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: 37091-D4—Gladden, Missouri

    • PEDON

  • Describers Name: MS
  • Current Taxonomic Class: Very-fine, mixed, active, mesic Typic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Niangua
  • PSC - 13 to 63 cm.
  • Classificaton Date - 1/31/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Niangua
  • Taxonomic Class - Very-fine, mixed, active, mesic Typic Hapludalfs
  • Taxon Kind - series
  • PSC - 13 to 63 cm.
  • Classificaton Date - 7/30/1997
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • Field Measured Properties: 80 percent of Percent clay in the control section and 3 Percent rock fragments in the control section (vol)


    • SITE

  • Parent Material: loess and/or residuum weathered from dolomite
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/30/1997 (actual site observation date)
  • Air Photo ID: 3
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    —

    109 -

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    lithic contact

    0—13

    13—109

    109—

    —-

    —-

    —-
    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

    19

    —

    —

    256

    —

    270

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 13 centimeters (0.0 to 5.1 inches); very dark grayish brown (10YR 3/2) silt loam; weak fine granular structure; firm; 7.0 fine to coarse roots; 7.0 fine interstitial and tubular pores; fragments; slightly acid, pH 6.4, hellige-truog; clear smooth boundary. Lab sample # MU018894
    2Bt1—13 to 48 centimeters (5.1 to 18.9 inches); dark yellowish brown (10YR 4/6) clay; strong fine subangular blocky structure; firm; 7.0 fine and medium roots and 3.0 coarse roots; 3.0 fine vesicular pores; 35 percent distinct dark yellowish brown (10YR 3/6), moist, clay films on faces of peds; fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU018895
    2Bt2—48 to 71 centimeters (18.9 to 28.0 inches); dark yellowish brown (10YR 4/6) clay; moderate fine subangular blocky structure; firm; 3.0 fine and medium roots; 3.0 fine vesicular pores; 35 percent distinct dark yellowish brown (10YR 3/6), moist, clay films on faces of peds; 10 percent by volume 75-162-250 millimeter dolomite (dolostone) fragments; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # MU018896
    2Bt3—71 to 97 centimeters (28.0 to 38.2 inches); dark yellowish brown (10YR 4/6) clay; moderate fine subangular blocky structure; firm; 3.0 fine and medium roots; 3.0 fine vesicular pores; 35 percent distinct dark yellowish brown (10YR 3/6), moist, clay films on faces of peds; fragments; slightly alkaline, pH 7.7, hellige-truog; clear wavy boundary. Lab sample # MU018897
    2Bt4—97 to 109 centimeters (38.2 to 42.9 inches); 60 percent dark yellowish brown (10YR 4/6) and 40 percent yellowish red (5YR 5/6) sandy clay; moderate fine subangular blocky structure; firm; 3.0 fine and medium roots; 3.0 fine vesicular pores; 35 percent distinct dark yellowish brown (10YR 3/6), moist, clay films on faces of peds; fragments; slightly alkaline, pH 7.7, hellige-truog. Lab sample # MU018898
    2R—109 centimeters (42.9 inches); bedrock; fragments. Eminence dolomite.