IDENTIFIERS

  • Current Taxon Name (Soil Name): Opolis
  • OSD
  • Series Extent
  • User Site ID: 1998MO097043
  • User Pedon ID: 1998MO097043
  • Transect:
  • User Transect ID - 98-37
  • Transect Stop Number - 6
  • Transect Interval - 50.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9809743
  • NCSS Pedon Lab Data NASIS Record ID - 27830
  • Print Date: 11/12/2025

    • 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: 37.3116472
  • Std. Longitude: -94.5784306
  • Datum: WGS84
  • Township: T30N
  • Range: R33W
  • Section: 32
  • PLSS Details: 500 feet W and 2500 feet N of the SE corner
  • Location Description: NE 1/4 SE 1/4 Sec 32 T30N R33W; 500 feet west and 2500 feet north of the southeast corner of section 32
  • Map Unit: 40023—Opolis silt loam, 1 to 3 percent slopes
  • State: Missouri
  • County: MO097—Jasper
  • MLRA: 112—Cherokee Prairies
  • Non-MLRA Soil Survey Area: MO097—Jasper County, Missouri

    • PEDON

  • Describers Name: ACP
  • Current Taxonomic Class: Fine, mixed, thermic Albaquic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Opolis
  • PSC - 36 to 86 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Opolis
  • Classificaton Date - 10/14/1998
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or alluvium
  • Landscape: plains
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/14/1998 (actual site observation date)
  • Air Photo ID: 6W
  • 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—36

    36—203

    —-

    —-
    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

    2

    —

    —

    277

    —

    270

    —

    —

    —

    —

    —

    —

    —

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    —

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    Ap—0 to 25 centimeters (0.0 to 9.8 inches); dark brown (10YR 3/3) crushed, light brownish gray (10YR 6/2) crushed, dry; silt loam; moderate medium subangular blocky structure; very friable; 3.0 very fine and fine roots throughout; 3.0 fine low-continuity tubular pores; fragments; moderately acid, pH 5.7, hellige-truog; clear smooth boundary. Lab sample # MU019071
    E—25 to 36 centimeters (9.8 to 14.2 inches); brown (10YR 4/3) crushed, pale brown (10YR 6/3) crushed, dry; silt loam; moderate medium subangular blocky structure; very friable; 3.0 very fine and fine roots throughout; 5.0 fine low-continuity tubular pores; 5 percent distinct dark brown (10YR 3/3), moist, organic stains on faces of peds; 1 percent fine irregular yellowish brown (10YR 5/6) masses of oxidized iron between peds; fragments; very strongly acid, pH 5.0, hellige-truog; abrupt wavy boundary. Lab sample # MU019072. discontinuous - phpvsfiid 151047; discontinuous - phpvsfiid 151047
    2Bt1—36 to 48 centimeters (14.2 to 18.9 inches); dark yellowish brown (10YR 4/4) interior silty clay; strong fine subangular blocky structure; very firm, moderately sticky, moderately plastic; 1.0 very fine and fine roots throughout; 10.0 fine moderate-continuity interstitial pores; 1 percent distinct light brownish gray (10YR 6/2), moist, silt coats on faces of peds and 10 percent prominent dark grayish brown (10YR 4/2), moist, clay films on faces of peds and 20 percent prominent brown (10YR 4/3), moist, clay films on faces of peds and 50 percent prominent dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; 7 percent fine irregular red (2.5YR 4/8) masses of oxidized iron throughout; fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU019073. continuous - phpvsfiid 151048; continuous - phpvsfiid 151049; continuous - phpvsfiid 151050; patchy - phpvsfiid 151051; continuous - phpvsfiid 151048; continuous - phpvsfiid 151049; continuous - phpvsfiid 151050; patchy - phpvsfiid 151051
    2Bt2—48 to 64 centimeters (18.9 to 25.2 inches); dark yellowish brown (10YR 4/6) interior silty clay; weak medium prismatic parts to strong fine subangular blocky structure; very firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots throughout; 6.0 fine moderate-continuity interstitial and tubular pores; 10 percent prominent brown (10YR 4/3), moist, clay films on faces of peds and 70 percent prominent dark yellowish brown (10YR 4/6), moist, clay films on faces of peds; 3 percent fine spherical black (N 2/0) iron-manganese concretions throughout; fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU019074. discontinuous - phpvsfiid 151061; continuous - phpvsfiid 151052; discontinuous - phpvsfiid 151061; continuous - phpvsfiid 151052
    3Bt3—64 to 91 centimeters (25.2 to 35.8 inches); yellowish brown (10YR 5/8) interior silty clay loam; weak medium prismatic parts to moderate medium subangular blocky structure; firm; 0.1 very fine and fine roots throughout; 5.0 fine moderate-continuity interstitial and tubular pores; 5 percent distinct light brownish gray (10YR 6/2), moist, silt coats on faces of peds and 10 percent prominent yellowish brown (10YR 5/8), moist, clay films on faces of peds and 30 percent prominent yellowish brown (10YR 5/4), moist, clay films on faces of peds and 30 percent prominent light brownish gray (10YR 6/2), moist, clay films on faces of peds; 3 percent fine irregular black (N 2/0) iron-manganese masses between peds; fragments; moderately acid, pH 5.7, hellige-truog; gradual wavy boundary. Lab sample # MU019075. discontinuous - phpvsfiid 151063; continuous - phpvsfiid 151062; discontinuous - phpvsfiid 151064; continuous - phpvsfiid 151065; discontinuous - phpvsfiid 151063; continuous - phpvsfiid 151062; discontinuous - phpvsfiid 151064; continuous - phpvsfiid 151065
    3Bt4—91 to 160 centimeters (35.8 to 63.0 inches); yellowish brown (10YR 5/8) interior silty clay loam; weak medium prismatic parts to moderate medium subangular blocky structure; firm; 0.1 very fine and fine roots throughout; 5.0 fine moderate-continuity interstitial and tubular pores; 5 percent distinct light brownish gray (10YR 6/2), moist, silt coats on faces of peds and 10 percent prominent yellowish brown (10YR 5/4), moist, clay films on faces of peds and 10 percent prominent yellowish brown (10YR 5/8), moist, clay films on faces of peds and 20 percent prominent light brownish gray (10YR 6/2), moist, clay films on faces of peds; 2 percent fine irregular black (N 2/0) iron-manganese masses between peds and 3 percent fine irregular strong brown (7.5YR 4/6) masses of oxidized iron between peds; fragments; moderately acid, pH 5.9, hellige-truog; gradual wavy boundary. Lab sample # MU019076. discontinuous - phpvsfiid 151066; continuous - phpvsfiid 151069; discontinuous - phpvsfiid 151067; discontinuous - phpvsfiid 151068; discontinuous - phpvsfiid 151066; continuous - phpvsfiid 151069; discontinuous - phpvsfiid 151067; discontinuous - phpvsfiid 151068
    3Bt5—160 to 203 centimeters (63.0 to 79.9 inches); yellowish brown (10YR 5/8) interior silt loam; weak medium prismatic parts to moderate medium subangular blocky structure; firm; 5.0 fine and medium moderate-continuity interstitial and tubular pores; 5 percent distinct light brownish gray (10YR 6/2), moist, silt coats on faces of peds and 10 percent prominent yellowish brown (10YR 5/6), moist, clay films on faces of peds and 10 percent distinct yellowish brown (10YR 5/8), moist, clay films on faces of peds and 10 percent prominent strong brown (7.5YR 4/6), moist, clay films on faces of peds; 2 percent fine irregular black (N 2/0) iron-manganese masses between peds; fragments; moderately acid, pH 5.8, hellige-truog. Lab sample # MU019077. continuous - phpvsfiid 151073; discontinuous - phpvsfiid 151070; discontinuous - phpvsfiid 151071; discontinuous - phpvsfiid 151072; continuous - phpvsfiid 151073; discontinuous - phpvsfiid 151070; discontinuous - phpvsfiid 151071; discontinuous - phpvsfiid 151072