IDENTIFIERS

  • Current Taxon Name (Soil Name): KEITH
  • OSD
  • Series Extent
  • User Site ID: S1957SD113002
  • User Pedon ID: S1957SD113002
  • Vegetation Plot ID: S1957SD113002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2408
  • NCSS Pedon Lab Data NASIS Record ID - 37105
  • Print Date: 4/23/2025

    • 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: 43.0771942
  • Std. Longitude: -102.3777390
  • Datum: WGS84
  • Township: 36N
  • Range: 43W
  • Section: 21
  • PLSS Details: 0.1 mile N of the SE corner
  • State: South Dakota
  • County: SD113—Oglala Lakota
  • MLRA: 64—Mixed Sandy and Silty Tableland and Badlands
  • Non-MLRA Soil Survey Area: SD113—Shannon County, South Dakota

    • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, mesic Aridic Argiustolls
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - KEITH
  • Classificaton Date - 7/16/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Keith
  • Classificaton Date - 8/16/1957
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: ridge
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/16/1957 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    LINUM

    Linum

    flax

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    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

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    —

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    0

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    A1p—0 to 15 centimeters (0.0 to 5.9 inches); grayish brown (2.5Y 5/2), very dark grayish brown (10YR 3/2), moist; silt loam; subangular blocky parts to weak fine granular structure; slightly hard, friable; very dark gray (2.5Y 3/1), moist, coats on faces of peds and grayish brown (2.5Y 5/2), dry, coats on faces of peds; fragments; noneffervescent. Lab sample # 40A18835. Quartz grains finely divided, predominantly bleached, some unbleached; pink minerals and dark minerals common; temperature 66 degrees F; false, plow depth boundary.
    B1—15 to 23 centimeters (5.9 to 9.1 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; silt loam, silty clay loam; weak coarse prismatic parts to weak medium platy structure; slightly hard, friable; very dark grayish brown (10YR 3/2), moist, coats on faces of peds and grayish brown (10YR 5/2), dry, coats on faces of peds and clay films on all faces of peds; fragments; noneffervescent; gradual smooth boundary. Lab sample # 40A18836. Plates appear to be plow sole; quartz grains finely divided, predominantly bleached, some unbleached; pink minerals and dark minerals common; temperature 56 degrees F.; patchy - phpvsfiid 184950; patchy - phpvsfiid 184950
    B21—23 to 36 centimeters (9.1 to 14.2 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; silty clay loam; moderate medium prismatic parts to fine prismatic parts to weak and moderate fine and medium subangular blocky structure; slightly hard, friable; 3.0 very fine pores; very dark gray (10YR 3/1), moist, coats on faces of peds and grayish brown (10YR 5/2), dry, coats on faces of peds and clay films on all faces of peds; fragments; noneffervescent; gradual smooth boundary. Lab sample # 40A18837. Quartz grains finely divided, predominantly lightly stained, some bleached; pink minerals and dark minerals common; temperature 56 degrees F.; patchy - phpvsfiid 184951; patchy - phpvsfiid 184952; patchy - phpvsfiid 184953; patchy - phpvsfiid 184951; patchy - phpvsfiid 184952; patchy - phpvsfiid 184953
    B22—36 to 46 centimeters (14.2 to 18.1 inches); grayish brown (10YR 5/2), brown (10YR 5/3), moist; silty clay loam; weak and moderate medium prismatic parts to fine prismatic parts to weak and moderate fine and medium subangular blocky structure; slightly hard, friable; 3.0 very fine pores; brown (10YR 4/3), moist, coats on faces of peds and light brownish gray (10YR 6/2), dry, coats on faces of peds and clay films on all faces of peds; fragments; noneffervescent; gradual smooth boundary. Lab sample # 40A18838. Quartz grains finely divided, predominantly lightly stained, some bleached, pink minerals and dark minerals common; temperature 58 degrees F.; patchy - phpvsfiid 184954; patchy - phpvsfiid 184955; patchy - phpvsfiid 184956; patchy - phpvsfiid 184954; patchy - phpvsfiid 184955; patchy - phpvsfiid 184956
    B23—46 to 56 centimeters (18.1 to 22.0 inches); light brownish gray (2.5Y 6/2), olive brown (2.5Y 4/3), moist; silt loam, silty clay loam; weak medium prismatic parts to weak medium angular blocky structure; slightly hard, friable; 3.0 very fine pores; clay films on all faces of peds; fragments; noneffervescent; clear smooth boundary. Lab sample # 40A18839. Quartz grains finely divided, predominantly bleached, some unbleached; pink minerals and dark minerals common; temperature 60 degrees F.; patchy - phpvsfiid 184957; patchy - phpvsfiid 184957
    B3ca1—56 to 84 centimeters (22.0 to 33.1 inches); very pale brown (10YR 8/2), brown (10YR 5/3), moist; silt loam; weak very coarse prismatic structure; hard, friable, weakly cemented by carbonates; 3.0 very fine pores; clay films on vertical faces of peds; 1 percent fine and medium lime masses; fragments; strong effervescence; gradual smooth boundary. Lab sample # 40A18840. Quartz grains finely divided, predominantly bleached, some unbleached; pink minerals and dark minerals common; slight increase of dark minerals; temperature 59 degrees F.; patchy - phpvsfiid 184958; patchy - phpvsfiid 184958
    B3ca2—84 to 102 centimeters (33.1 to 40.2 inches); very pale brown (10YR 8/2), brown (10YR 5/3), moist; silt loam; weak very coarse prismatic structure; soft, friable; 3.0 very fine pores; clay films on vertical faces of peds; 1 percent fine and medium lime masses; fragments; strong effervescence; gradual smooth boundary. Lab sample # 40A18841. Quartz grains finely divided, predominantly bleached, some unbleached; pink minerals and dark minerals common; further increase of dark minerals; temperature 60 degrees F.; patchy - phpvsfiid 195823; patchy - phpvsfiid 195823
    B3ca3—102 to 114 centimeters (40.2 to 44.9 inches); light gray (10YR 7/2), brown (10YR 5/3), moist; silt loam; weak very coarse prismatic structure; soft, friable; 3.0 very fine pores; clay films on vertical faces of peds; 1 percent fine and medium lime masses; fragments; strong effervescence; gradual smooth boundary. Lab sample # 40A18842. Quartz grains finely divided, predominantly bleached, some unbleached; pink minerals and dark minerals common; dark minerals as in horizon above; temperature 60 degrees F.; patchy - phpvsfiid 195824; patchy - phpvsfiid 195824
    Cca—114 to 152 centimeters (44.9 to 59.8 inches); light gray (10YR 7/2), brown (10YR 5/3), moist; silt loam; massive; soft, friable; 3.0 very fine pores; 3 percent fine and medium carbonate concretions; fragments; strong effervescence. Lab sample # 40A18843. Quartz grains finely divided, predominantly bleached, some unbleached; pink minerals and dark minerals common; further increase of dark minerals; temperature 60 degrees F.