IDENTIFIERS

  • Current Taxon Name (Soil Name): Gravois
  • OSD
  • Series Extent
  • User Site ID: 1998MO125001M
  • User Pedon ID: 1998MO125001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9812501
  • Print Date: 12/11/2024

    • 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: 38.2178784
  • Std. Longitude: -91.9709618
  • Datum: WGS84
  • Location Description: Dallas Snodgrass property
  • State: Missouri
  • County: MO125—Maries
  • MLRA: 116B—Springfield Plain

    • PEDON

  • Describers Name: KOD, WAK, GDC
  • 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 - 23 to 73 cm.
  • Classificaton Date - 2/19/1998
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/19/1998 (actual site observation date)
  • Air Photo ID: 8D
  • 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—13

    23—157

    157—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

    4

    —

    —

    270

    —

    135

    991

    —

    —

    12.8

    —

    —

    13.9

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 4/3) broken face silt loam; moderate fine granular structure; friable; 9.0 very fine to medium roots between peds; 10.0 very fine and fine vesicular pores; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU060626
    EB—13 to 23 centimeters (5.1 to 9.1 inches); brown (10YR 5/3) broken face silt loam; weak medium angular blocky parts to moderate fine granular structure; friable; 7.0 very fine and fine roots between peds; 8.0 very fine and fine vesicular pores; 20 percent distinct silt coats on faces of peds; 2 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU060627. discontinuous - phpvsfiid 147996; discontinuous - phpvsfiid 147996
    Bt1—23 to 38 centimeters (9.1 to 15.0 inches); strong brown (7.5YR 5/6) 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; 7.0 very fine and fine vesicular pores; 30 percent distinct clay films on faces of peds; 2 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU060628. discontinuous - phpvsfiid 148009; discontinuous - phpvsfiid 148009
    Bt2—38 to 58 centimeters (15.0 to 22.8 inches); strong brown (7.5YR 5/6) broken face silty clay loam; weak medium prismatic parts to moderate fine subangular blocky structure; firm; 3.0 very fine and fine roots between peds; 3.0 very fine and fine vesicular pores; 50 percent distinct clay films on faces of peds; 5 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU060629. discontinuous - phpvsfiid 149637; discontinuous - phpvsfiid 149637
    2Btx1—58 to 76 centimeters (22.8 to 29.9 inches); strong brown (7.5YR 4/6) broken face silty clay loam; 15 percent grayish brown (10YR 5/2) fine prominent threadlike mottles; weak medium prismatic parts to moderate fine subangular blocky structure; firm; brittle; 3.0 very fine and fine roots between peds; 3.0 very fine and fine vesicular pores; 1 percent prominent manganese or iron-manganese stains on faces of peds and 60 percent distinct clay films on faces of peds; 1 percent fine irregular noncoherent cemented dark brown (7.5YR 3/2) masses of oxidized iron throughout; 10 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU060630. 30% brittleness expressed.; continuous - phpvsfiid 149638; discontinuous - phpvsfiid 149639; continuous - phpvsfiid 149638; discontinuous - phpvsfiid 149639
    2Btx2—76 to 104 centimeters (29.9 to 40.9 inches); 60 percent strong brown (7.5YR 5/6) broken face and 40 percent pale brown (10YR 6/3) broken face very gravelly clay loam; 5 percent grayish brown (10YR 5/2) fine prominent threadlike mottles; weak coarse prismatic parts to moderate fine subangular blocky structure; firm; brittle; 1.0 very fine and fine roots in cracks; 3.0 very fine vesicular pores; on rock fragments and 10 percent prominent dark brown (7.5YR 3/2), moist, manganese or iron-manganese stains on faces of peds and 50 percent distinct clay films on faces of peds; 3 percent fine irregular noncoherent cemented dark brown (7.5YR 3/2) masses of oxidized iron throughout; 5 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU060631. 30% brittleness expressed.; discontinuous - phpvsfiid 149640; discontinuous - phpvsfiid 149642; discontinuous - phpvsfiid 149640; discontinuous - phpvsfiid 149642
    3Bt3—104 to 135 centimeters (40.9 to 53.1 inches); dark yellowish brown (10YR 4/6) broken face clay; weak coarse prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine vesicular pores; 5 percent distinct dark brown (7.5YR 3/2), moist, manganese or iron-manganese stains on faces of peds and 80 percent distinct brown (10YR 4/3), moist, clay films on faces of peds; 5 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.8, hellige-truog; clear wavy boundary. Lab sample # MU060632. continuous - phpvsfiid 149643; discontinuous - phpvsfiid 149644; continuous - phpvsfiid 149643; discontinuous - phpvsfiid 149644
    3Bt4—135 to 157 centimeters (53.1 to 61.8 inches); yellowish red (5YR 4/6) broken face gravelly clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; firm; 0.5 very fine vesicular pores; 1 percent prominent dark brown (7.5YR 3/2), moist, manganese or iron-manganese stains on faces of peds and 60 percent distinct brown (7.5YR 4/4), moist, clay films on faces of peds; 5 percent by volume subrounded 75-162-250 millimeter limestone, cherty fragments and 15 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; neutral, pH 7.2, hellige-truog; abrupt irregular boundary. Lab sample # MU060633. continuous - phpvsfiid 149645; discontinuous - phpvsfiid 149646; continuous - phpvsfiid 149645; discontinuous - phpvsfiid 149646
    3R—157 centimeters (61.8 inches); bedrock; fragments. Dolostone