IDENTIFIERS

  • Current Taxon Name (Soil Name): Gravois
  • OSD
  • Series Extent
  • User Site ID: 1997MO125020M
  • User Pedon ID: 1997MO125020
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9712520
  • Print Date: 4/27/2025

    • 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: 38.1355030
  • Std. Longitude: -92.0677396
  • Datum: WGS84
  • Location Description: Vernon Zimmer property
  • State: Missouri
  • County: MO125—Maries
  • MLRA: 116B—Springfield Plain

    • PEDON

  • Describers Name: KOD, WAK, BBB
  • Current Taxonomic Class: Fine-silty, mixed Fragic Oxyaquic Hapludalfs
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Gravois
  • Taxonomic Class - Fine-silty, mixed Fragic Oxyaquic Hapludalfs
  • Taxon Kind - series
  • PSC - 20 to 70 cm.
  • Classificaton Date - 9/10/1997
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or slope alluvium and/or residuum
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/10/1997 (actual site observation date)
  • Air Photo ID: 7C
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • 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

    lithic contact

    0—20

    20—165

    165—0

    —-

    —-

    —-
    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

    12

    —

    —

    280

    —

    350

    991

    —

    —

    12.8

    —

    —

    13.9

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 4/3) broken face silt loam; moderate fine granular structure; friable; 10.0 very fine and fine roots throughout; 3.0 very fine and fine vesicular pores; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # MU058195
    Bt1—20 to 43 centimeters (7.9 to 16.9 inches); brown (7.5YR 4/4) broken face silty clay loam; moderate medium subangular blocky parts to moderate very fine subangular blocky structure; firm; 6.0 very fine and fine roots between peds; 3.0 very fine and fine vesicular pores; 70 percent distinct brown (7.5YR 4/3), moist, clay films on faces of peds; fragments; moderately acid, pH 5.9, hellige-truog; clear smooth boundary. Lab sample # MU058196. discontinuous - phpvsfiid 149597; discontinuous - phpvsfiid 149597
    Bt2—43 to 61 centimeters (16.9 to 24.0 inches); brown (7.5YR 4/4) broken face silty clay loam; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 6.0 very fine and fine roots between peds; 3.0 very fine and fine vesicular pores; 70 percent distinct brown (7.5YR 4/3), moist, clay films on faces of peds; fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU058197. discontinuous - phpvsfiid 149598; discontinuous - phpvsfiid 149598
    2Btx1—61 to 86 centimeters (24.0 to 33.9 inches); strong brown (7.5YR 4/6) broken face silty clay loam; moderate medium prismatic parts to moderate fine subangular blocky structure; very firm; brittle; 5.0 very fine and fine roots between peds; 4.0 very fine and fine vesicular pores; 5 percent prominent black (7.5YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 10 percent distinct brown (7.5YR 4/3), moist, clay films on faces of peds and 40 percent distinct clay films on faces of peds; 8 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU058198. 30% brittleness expressed.; discontinuous - phpvsfiid 149599; discontinuous - phpvsfiid 149600; discontinuous - phpvsfiid 149601; discontinuous - phpvsfiid 149599; discontinuous - phpvsfiid 149600; discontinuous - phpvsfiid 149601
    2Btx2—86 to 107 centimeters (33.9 to 42.1 inches); yellowish red (5YR 4/6) broken face silty clay loam; 5 percent gray (10YR 6/1) fine prominent dendritic mottles; moderate coarse prismatic parts to moderate fine subangular blocky structure; very firm; brittle; 3.0 very fine roots between peds; 5.0 very fine and fine vesicular pores; 5 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds and 5 percent prominent black (7.5YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 20 percent distinct brown (10YR 5/3), moist, clay films on faces of peds; 5 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU058199. 50% brittleness expressed; silt coats on prism faces; 10YR(6/1) bleached zone at horizon base ~ 2 cm thick.; continuous - phpvsfiid 149602; discontinuous - phpvsfiid 149603; discontinuous - phpvsfiid 149604; continuous - phpvsfiid 149602; discontinuous - phpvsfiid 149603; discontinuous - phpvsfiid 149604
    3Btx3—107 to 145 centimeters (42.1 to 57.1 inches); yellowish brown (10YR 5/4) broken face extremely gravelly loam; 5 percent grayish brown (10YR 5/2) fine distinct irregular mottles; weak very coarse prismatic structure; extremely firm*; brittle; 0.8 very fine roots between peds; 2.0 very fine and fine vesicular pores; 5 percent prominent black (7.5YR 2/1), moist, manganese or iron-manganese stains on rock fragments and 10 percent distinct strong brown (7.5YR 4/6), moist, clay films on rock fragments; 5 percent fine irregular noncoherent cemented strong brown (7.5YR 4/6) masses of oxidized iron throughout; 10 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 60 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.5, hellige-truog; clear wavy boundary. Lab sample # MU058200. 50% brittleness expressed.; discontinuous - phpvsfiid 149605; discontinuous - phpvsfiid 149606; discontinuous - phpvsfiid 149605; discontinuous - phpvsfiid 149606
    3Bt3—145 to 165 centimeters (57.1 to 65.0 inches); red (2.5YR 4/6) broken face clay; weak medium prismatic parts to moderate fine angular blocky structure; firm; 10 percent prominent black (7.5YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 80 percent prominent clay films on faces of peds; 10 percent fine irregular noncoherent cemented yellowish brown (10YR 5/6) masses of oxidized iron throughout; 1 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.9, hellige-truog; abrupt smooth boundary. Lab sample # MU058201. continuous - phpvsfiid 149607; discontinuous - phpvsfiid 149608; continuous - phpvsfiid 149607; discontinuous - phpvsfiid 149608
    3R—165 centimeters (65.0 inches); bedrock; limestone, cherty fragments.