IDENTIFIERS

  • Current Taxon Name (Soil Name): Secesh
  • OSD
  • Series Extent
  • User Site ID: 1998MO149001M
  • User Pedon ID: 1998MO149001M
  • User Site Association ID: 7929
  • Transect:
  • User Transect ID - oregon-01A-1
  • Transect Stop Number - 1
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9814901
  • NCSS Pedon Lab Data NASIS Record ID - 34402
  • User Project ID: 2021-26NCSPR013
  • Project Name: MLRA 116A - Mark Twain National Forest Update
  • Print Date: 12/8/2025

    • 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: 36.7231943
  • Std. Longitude: -91.4978138
  • Datum: WGS84
  • Map Unit: 73311—Scholten-Bendavis-Poynor complex, 8 to 15 percent slopes
  • State: Missouri
  • County: MO149—Oregon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO149—Oregon County, Missouri
  • 7.5 Minute USGS Quad: 36091-F4—Alton, Missouri

    • PEDON

  • Describers Name: RDR, SVV, MJM, SFP, JDP
  • Current Taxonomic Class: Fine-loamy, mixed, semiactive, mesic Typic Hapludults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Secesh
  • PSC - 15 to 65 cm.
  • Classificaton Date - 4/2/2025
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Secesh
  • Taxonomic Class - Fine-loamy, siliceous, active, mesic Ultic Hapludalfs
  • Taxon Kind - series
  • PSC - 15 to 65 cm.
  • Classificaton Date - 5/18/1998
  • 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 1


    • SITE

  • Parent Material: alluvium
  • Landscape: river valley
  • Landform: flood plain
  • Geomorphic Component Hills: base slope
  • Geomorphic Component Terraces: tread
  • Hill Slope Profile: toeslope
  • Slope Position: lower third
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: well
  • Flooding: occasional flooding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/18/1998 (actual site observation date)
  • 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—15

    15—152

    —-

    —-
    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

    1

    —

    —

    272

    —

    315

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 4/3) rubbed silt loam; moderate medium granular structure; friable; 0.9 medium roots and 7.0 fine roots; 7.0 very fine and fine interstitial pores; 10 percent by volume nonflat subangular indurated 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU060791
    Bt1—15 to 28 centimeters (5.9 to 11.0 inches); strong brown (7.5YR 4/6) exterior silt loam; moderate fine subangular blocky structure; friable; 0.9 medium roots and 3.0 fine roots throughout; 3.0 very fine and fine interstitial and tubular pores; 15 percent distinct brown (10YR 4/3), moist, organic stains throughout and 35 percent distinct brown (7.5YR 4/3), moist, clay films throughout; 5 percent by volume nonflat subangular indurated 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; gradual wavy boundary. Lab sample # MU060792. discontinuous - phpvsfiid 142429; discontinuous - phpvsfiid 142430; discontinuous - phpvsfiid 142429; discontinuous - phpvsfiid 142430
    Bt2—28 to 58 centimeters (11.0 to 22.8 inches); strong brown (7.5YR 4/6) exterior silt loam; moderate medium subangular blocky structure; friable; 3.0 fine roots throughout; 3.0 very fine vesicular and tubular pores; 35 percent distinct brown (7.5YR 4/4), moist, clay films throughout; 2 percent fine spherical black (N 2/0) iron-manganese concretions throughout; 10 percent by volume nonflat subangular indurated 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU060793. discontinuous - phpvsfiid 142431; discontinuous - phpvsfiid 142431
    2Bt3—58 to 79 centimeters (22.8 to 31.1 inches); 70 percent brown (7.5YR 4/3) exterior and 30 percent brown (7.5YR 5/4) exterior gravelly loam; weak medium subangular blocky structure; friable; 0.9 fine roots throughout; 3.0 very fine to medium vesicular and tubular and 0.9 coarse vesicular pores; 35 percent distinct dark brown (7.5YR 3/3), moist, clay films throughout; 2 percent fine spherical black (N 2/0) iron-manganese concretions throughout; 20 percent by volume nonflat subangular indurated 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU060794. discontinuous - phpvsfiid 142432; discontinuous - phpvsfiid 142432
    2Bt4—79 to 102 centimeters (31.1 to 40.2 inches); 60 percent brown (7.5YR 4/3) exterior and 40 percent brown (7.5YR 5/4) exterior extremely gravelly coarse sandy loam; weak fine subangular blocky structure; friable; 0.1 very fine roots throughout; 3.0 very fine to medium vesicular and tubular pores; 15 percent faint brown (7.5YR 4/3), moist, clay films on rock fragments and 15 percent distinct black (N 2/0), moist, iron stains on rock fragments; 2 percent fine spherical black (N 2/0) iron-manganese concretions throughout; 65 percent by volume nonflat subangular indurated 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU060795. discontinuous - phpvsfiid 144578; discontinuous - phpvsfiid 144586; discontinuous - phpvsfiid 144578; discontinuous - phpvsfiid 144586
    2Bt5—102 to 152 centimeters (40.2 to 59.8 inches); brown (7.5YR 4/4) exterior extremely gravelly loam; 5 percent pale brown (10YR 6/3) medium faint mottles; weak fine subangular blocky structure; friable; 3.0 very fine to medium vesicular and tubular pores; 15 percent distinct black (N 2/0), moist, iron stains on rock fragments and 35 percent distinct brown (7.5YR 4/3), moist, clay films on faces of peds; 65 percent by volume nonflat subangular indurated 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified. Lab sample # MU060796. discontinuous - phpvsfiid 144587; discontinuous - phpvsfiid 144588; discontinuous - phpvsfiid 144587; discontinuous - phpvsfiid 144588