IDENTIFIERS

  • Current Taxon Name (Soil Name): Knobby
  • OSD
  • Series Extent
  • User Site ID: 2007MO13981
  • User Pedon ID: 2007MO13981
  • Vegetation Plot ID: 2007MO13981
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0713981
  • NCSS Pedon Lab Data NASIS Record ID - 25607
  • Print Date: 11/23/2024

    • 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: 38.9034722
  • Std. Longitude: -91.5742222
  • Datum: WGS84
  • Township: T48N
  • Range: R6W
  • Section: 27
  • PLSS Details: 2,307 feet East and 1,797 feet South from the North West corner
  • Country: US—United States
  • State: Missouri
  • County: MO139—Montgomery
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • MLRA Soil Survey Area: NC-SPM—Springfield, Missouri
  • Non-MLRA Soil Survey Area: MO603—Montgomery and Warren Counties, Missouri
  • 7.5 Minute USGS Quad: 38091-H5—Montgomery City, Missouri

    • PEDON

  • Describers Name: Keith Knelle, John Horton, Dennis Meinert
  • Current Taxonomic Class: Loamy, mixed, superactive, mesic Lithic Hapludolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 81
  • Correlated Information:
  • Soil Name - Knobby
  • PSC - 0 to 33 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Holstein
  • Taxonomic Class - Fine-loamy, mixed, active, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 0 to 33 cm.
  • Classificaton Date - 9/12/2007
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loamy colluvium and/or residuum weathered from limestone and dolomite
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: somewhat excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: moderately coherent slight weathered dolomite (dolostone) at 33cm with 100 to <200 and a strike of 0 degrees and a dip of 0 to 0 degrees
  • Geology: Jefferson City Dolomite formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/12/2007 (actual site observation date)
  • Air Photo ID: 38091h5sw
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - other tree cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion sheet
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    JUVI

    QUMU

    ACSA2

    CERCI2

    Juniperus virginiana

    Quercus muehlenbergii

    Acer saccharinum

    Cercis

    eastern redcedar

    chinquapin oak

    silver maple

    redbud

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    —

    33 -

    - 1 -

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

    mollic epipedon

    cambic horizon

    lithic contact

    0—33

    8—33

    33—

    —33—

    —25—

    —1—
    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

    22

    —

    —

    191.1

    —

    200

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2) broken face silt loam; moderate fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout; 0.5 very fine pores; 8 percent by volume nonflat subangular moderately coherent cemented 2-?-75 millimeter dolomite (dolostone) fragments; clear smooth boundary. Lab sample # MU003585; observed in pit, large or quarry
    A2—8 to 23 centimeters (3.1 to 9.1 inches); very dark gray (10YR 3/1) broken face channery silt loam; moderate fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 0.5 very fine pores; 15 percent by volume flat subrounded moderately coherent cemented 2-?-150 millimeter dolomite (dolostone) fragments; gradual smooth boundary. Lab sample # MU003586; observed in pit, large or quarry
    A3—23 to 33 centimeters (9.1 to 13.0 inches); very dark gray (10YR 3/1) broken face channery silt loam; moderate fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 0.5 very fine pores; 15 percent by volume flat subrounded moderately coherent cemented 2-?-150 millimeter dolomite (dolostone) fragments. Lab sample # MU003587; observed in pit, large or quarry
    R—33 centimeters (13.0 inches); bedrock; fragments.