IDENTIFIERS

  • Current Taxon Name (Soil Name): Niangua
  • OSD
  • Series Extent
  • User Site ID: 1997MO131033M
  • User Pedon ID: 1997MO131033
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9713115
  • 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: 38.2323502
  • Std. Longitude: -92.3418651
  • Datum: WGS84
  • Township: T40N
  • Range: R13W
  • Section: 11
  • PLSS Details: 500 feet S and 150 feet E of the NW corner
  • State: Missouri
  • County: MO131—Miller
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: DWW, DEV
  • Current Taxonomic Class: Very-fine, mixed, active, mesic Typic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Niangua
  • Taxonomic Class - Very-fine, mixed, active, mesic Typic Hapludalfs
  • Taxon Kind - series
  • PSC - 38 to 88 cm.
  • Classificaton Date - 3/27/1997
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium over residuum
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/27/1997 (actual site observation date)
  • Air Photo ID: 10D
  • 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—38

    38—132

    —-

    —-
    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

    20

    —

    —

    209

    —

    280

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; gravelly silt loam; moderate fine granular structure; friable; 20.0 fine and medium roots; 2.0 very fine and fine vesicular and tubular pores; 20 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU018542
    E—13 to 38 centimeters (5.1 to 15.0 inches); brown (10YR 5/3) very gravelly silt loam; moderate fine subangular blocky structure; friable; 2.0 very fine and fine roots; 2.0 very fine and fine vesicular and tubular pores; 5 percent distinct pale brown (10YR 6/3) silt coats on faces of peds; 5 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 40 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # MU018543. discontinuous - phpvsfiid 126801; discontinuous - phpvsfiid 126801
    2Bt1—38 to 61 centimeters (15.0 to 24.0 inches); reddish brown (5YR 4/4) gravelly clay; moderate fine subangular blocky structure; firm; 0.5 fine and medium roots; 1.0 very fine and fine vesicular and tubular pores; 30 percent distinct reddish brown (5YR 4/3) clay films on faces of peds; 25 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU018544. discontinuous - phpvsfiid 126802; discontinuous - phpvsfiid 126802
    2Bt2—61 to 109 centimeters (24.0 to 42.9 inches); red (2.5YR 4/6) clay; moderate medium subangular blocky structure; very firm; 0.1 very fine and fine roots; 0.5 very fine and fine tubular pores; 40 percent distinct dark reddish brown (5YR 3/4) clay films on faces of peds; 20 percent medium irregular noncoherent cemented reddish brown (5YR 4/4) masses of oxidized iron throughout; 5 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.4, hellige-truog; gradual wavy boundary. Lab sample # MU018545. discontinuous - phpvsfiid 126803; discontinuous - phpvsfiid 126803
    2Bt3—109 to 132 centimeters (42.9 to 52.0 inches); dark reddish brown (5YR 3/4) and 10 percent yellowish red (5YR 5/6) sandy clay; weak medium subangular blocky structure; very firm; 0.2 very fine and fine roots; 0.5 very fine and fine tubular pores; 30 percent distinct dark reddish brown (2.5YR 3/4) clay films on faces of peds; 5 percent by volume subangular 2-39-75 millimeter dolomite (dolostone) fragments; slightly alkaline, pH 7.5, hellige-truog. Lab sample # MU018546. discontinuous - phpvsfiid 126804; discontinuous - phpvsfiid 126804
    2R—132 centimeters (52.0 inches); bedrock; fragments.