IDENTIFIERS

  • Current Taxon Name (Soil Name): Useful
  • OSD
  • Series Extent
  • User Site ID: 2005MO179003M
  • User Pedon ID: 2005MO179003M
  • Vegetation Plot ID: 2005MO179003
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M0517903
  • NCSS Pedon Lab Data NASIS Record ID - 25475
  • Print Date: 12/5/2025

    • 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: 37.1745333
  • Std. Longitude: -91.0427694
  • Datum: WGS84
  • Township: T29N
  • Range: R1W
  • Section: 22
  • PLSS Details: 2496 feet W and 1861 feet N of the SE corner
  • Country: US—United States
  • State: Missouri
  • County: MO179—Reynolds
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO179—Reynolds County, Missouri
  • 7.5 Minute USGS Quad: 37091-B1—Exchange, Missouri

    • PEDON

  • Describers Name: Michael Wyatt, Dennis Meinert, Leon Thompson, Keith Knelle
  • Current Taxonomic Class: Fine, mixed, active, mesic Oxyaquic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Useful
  • PSC - 20 to 70 cm.
  • Classificaton Date - 7/23/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Gasconade
  • Taxonomic Class - Clayey-skeletal, mixed, superactive, mesic Lithic Hapludolls
  • Taxon Kind - series
  • PSC - 20 to 70 cm.
  • Classificaton Date - 11/7/2005
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3


    • SITE

  • Parent Material: Holocene Stage pedisediment derived from cherty limestone and/or Gasconade Dolomite clayey residuum weathered from dolomite
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: complex
  • Slope Shape Across: concave
  • Slope Shape Down: undulating
  • Runoff: high
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Gasconade Dolomite formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/7/2005 (actual site observation date)
  • Air Photo ID: 37091b1se
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • 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

    QUST

    PIEC2

    QUAL

    THUJA

    RHAR4

    DIVI5

    LIBE3

    SCUN

    ULAL

    CORNU

    CECU

    ASTER

    Quercus stellata

    Pinus echinata

    Quercus alba

    Thuja

    Rhus aromatica

    Diospyros virginiana

    Lindera benzoin

    Schrankia uncinata

    Ulmus alata

    Cornus

    Ceanothus cuneatus

    Aster

    post oak

    shortleaf pine

    white oak

    arborvitae

    fragrant sumac

    common persimmon

    northern spicebush

    —

    winged elm

    dogwood

    buckbrush

    aster

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    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

    aquic conditions

    lithic contact

    0—20

    20—109

    84—109

    109—

    —20—

    —89—

    —25—

    —-
    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

    25

    —

    —

    278.3

    —

    180

    —

    —

    —

    —

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    A—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2) interior gravelly silt loam; weak fine and medium granular structure; friable; 3.0 medium roots throughout and 3.0 fine roots throughout and 3.0 coarse roots throughout; 10.0 very fine moderate-continuity tubular and 10.0 fine moderate-continuity tubular pores; 25 percent by volume nonflat subangular weakly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU002675; observed in pit, small
    EA—13 to 20 centimeters (5.1 to 7.9 inches); 50 percent brown (10YR 5/3) interior and 50 percent brown (10YR 4/3) interior very gravelly silt loam; moderate fine and medium subangular blocky structure; friable; 0.5 medium roots throughout and 0.5 fine roots throughout; 3.0 very fine moderate-continuity tubular and 3.0 fine moderate-continuity tubular and 0.5 coarse tubular pores; 12 percent faint grayish brown (10YR 5/2), moist, organic stains on all faces of peds; 35 percent by volume nonflat subangular weakly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU002676; observed in pit, small
    2Bt1—20 to 28 centimeters (7.9 to 11.0 inches); strong brown (7.5YR 4/6) interior silty clay; strong medium and coarse subangular blocky structure; firm; 3.0 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 0.5 medium moderate-continuity tubular and 0.5 fine moderate-continuity tubular pores; 12 percent prominent light brownish gray (10YR 6/2), moist, silt coats on all faces of peds and 35 percent faint strong brown (7.5YR 4/6), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat subangular weakly coherent cemented 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU002677; observed in pit, small
    2Bt2—28 to 43 centimeters (11.0 to 16.9 inches); brown (7.5YR 4/4) interior gravelly clay; strong medium and coarse subangular blocky structure; very firm; 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 0.5 fine moderate-continuity tubular pores; 35 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; 15 percent by volume nonflat subangular weakly coherent cemented 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU002678; observed in pit, small
    2Bt3—43 to 69 centimeters (16.9 to 27.2 inches); brown (10YR 4/3) interior very gravelly clay; moderate medium and coarse subangular blocky structure; very firm; 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 fine moderate-continuity interstitial pores; 70 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 35 percent by volume nonflat subangular weakly coherent cemented 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU002679; observed in pit, small
    2Bt4—69 to 84 centimeters (27.2 to 33.1 inches); 98 percent dark yellowish brown (10YR 4/4) interior and 2 percent light greenish gray (5GY 7/1) interior very gravelly clay; moderate fine angular blocky, and moderate medium and coarse subangular blocky structure; very firm; 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 fine moderate-continuity interstitial pores; 35 percent distinct brown (10YR 5/3), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subangular weakly coherent cemented 75-?-250 millimeter chert fragments and 45 percent by volume nonflat subangular weakly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU002680; observed in pit, small
    2Bt5—84 to 99 centimeters (33.1 to 39.0 inches); dark yellowish brown (10YR 4/6) interior clay; strong medium and coarse subangular blocky, and strong medium angular blocky structure; firm; 0.5 fine roots throughout; 0.5 medium moderate-continuity interstitial and 0.5 fine moderate-continuity interstitial pores; 12 percent yellowish brown (10YR 5/6), moist, pressure faces on all faces of peds and 70 percent distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat subangular weakly coherent cemented 2-?-75 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU002681; observed in pit, small
    2Bt6—99 to 109 centimeters (39.0 to 42.9 inches); dark yellowish brown (10YR 4/6) interior clay; weak fine angular blocky, and moderate medium subangular blocky structure; firm; 0.5 fine roots throughout; 0.5 fine moderate-continuity interstitial pores; 12 percent yellowish brown (10YR 5/6), moist, pressure faces on all faces of peds and 70 percent distinct light brownish gray (10YR 6/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subangular weakly coherent cemented 2-?-75 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU002682; observed in pit, small
    2R—109 centimeters (42.9 inches); bedrock; fragments.