IDENTIFIERS

  • Current Taxon Name (Soil Name): Keith
  • OSD
  • Series Extent
  • User Site ID: S1958SD113001
  • User Pedon ID: S1958SD113001
  • Vegetation Plot ID: S1958SD113001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2500
  • NCSS Pedon Lab Data NASIS Record ID - 37196
  • 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: 43.2994461
  • Std. Longitude: -102.6399994
  • Datum: WGS84
  • Township: 38N
  • Range: 45W
  • Section: 3
  • PLSS Details: 0.1 of a mile S and 300 feet E of the NW corner of the SW 1/4 of the NW 1/4 of the SW 1/4
  • 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, superactive, mesic Aridic Argiustolls
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Keith
  • Classificaton Date - 7/23/2007
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - UNNAMED
  • Classificaton Date - 8/1/1958
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: plains
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1958 (actual site observation date)
  • Surface Cover Properties:
  • 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

    BOGR2

    PASM

    Bouteloua gracilis

    Pascopyrum smithii

    blue grama

    western wheatgrass

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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

    7

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    225

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    A1—0 to 5 centimeters (0.0 to 2.0 inches); gray (2.5Y 5/1) and gray (2.5Y 5/1) crushed, black (2.5Y 2/1) and black (2.5Y 2/1) crushed, moist; silt loam; weak and moderate very fine and fine granular structure; soft, very friable; fragments; noneffervescent; gradual smooth boundary. Lab sample # 40A19625. Quartz predominantly finely divided bleached; minerals primarily quartz with lesser amounts of feldspar and iron-manganese concentrations; temperature 78 degrees F.
    AB—5 to 23 centimeters (2.0 to 9.1 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; silt loam; weak and moderate medium prismatic parts to weak and moderate very fine and fine subangular blocky structure; slightly hard, friable; 0.5 medium and 3.0 fine pores; black (2.5Y 2/1), moist, coats on faces of peds and gray (2.5Y 5/1), dry, coats on faces of peds and 10 percent iron stains on rock fragments and 30 percent dark grayish brown (2.5Y 4/2), moist, in root channels and/or pores and 30 percent grayish brown (2.5Y 5/2), dry, in root channels and/or pores; 3 percent dark grayish brown (2.5Y 4/2) worm casts and 3 percent grayish brown (2.5Y 5/2) worm casts; fragments; noneffervescent; clear smooth boundary. Lab sample # 40A19626. Quartz predominantly finely divided bleached in dark cast and channels fill material and iron stained in casts and fills of matrix color; minerals primarily quartz; temperature 78 degrees F.; continuous - phpvsfiid 185633; continuous - phpvsfiid 185634; continuous - phpvsfiid 185635; continuous - phpvsfiid 185636; continuous - phpvsfiid 185633; continuous - phpvsfiid 185634; continuous - phpvsfiid 185635; continuous - phpvsfiid 185636
    B21—23 to 33 centimeters (9.1 to 13.0 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; silty clay loam; moderate medium prismatic parts to moderate and strong very fine and fine subangular blocky structure; hard, friable; 0.5 medium and 3.0 fine pores; very dark grayish brown (2.5Y 3/2), moist, coats on faces of peds and grayish brown (2.5Y 5/2), dry, coats on faces of peds and clay films on all faces of peds and clay films in root channels and/or pores and 10 percent iron stains on rock fragments and 30 percent dark grayish brown (2.5Y 4/2), moist, in root channels and/or pores and 30 percent grayish brown (2.5Y 5/2), dry, in root channels and/or pores; 3 percent dark grayish brown (2.5Y 4/2) worm casts and 3 percent grayish brown (2.5Y 5/2) worm casts; fragments; noneffervescent; gradual smooth boundary. Lab sample # 40A19627. Quartz predominantly finely divided bleached in dark casts and channel fill material and lightly iron stained in matrix colored cast and fill material; minerals primarily quartz with lesser amounts of feldspar and iron-manganese concentrations; temperature 76 degrees F.; discontinuous - phpvsfiid 185638; patchy - phpvsfiid 185640; discontinuous - phpvsfiid 185639; patchy - phpvsfiid 185641; continuous - phpvsfiid 185642; continuous - phpvsfiid 185643; discontinuous - phpvsfiid 185638; patchy - phpvsfiid 185640; discontinuous - phpvsfiid 185639; patchy - phpvsfiid 185641; continuous - phpvsfiid 185642; continuous - phpvsfiid 185643
    B22—33 to 51 centimeters (13.0 to 20.1 inches); grayish brown (2.5Y 5/2), olive brown (2.5Y 4/3), moist; silty clay loam; weak and moderate medium prismatic parts to moderate very fine and fine subangular blocky structure; slightly hard, friable; 0.5 medium pores; dark grayish brown (2.5Y 4/2), moist, coats on faces of peds and light brownish gray (2.5Y 6/2), dry, coats on faces of peds and clay films on all faces of peds and clay films in root channels and/or pores and 10 percent iron stains on rock fragments and 30 percent olive brown (2.5Y 4/3), moist, in root channels and/or pores and 30 percent grayish brown (2.5Y 5/2), dry, in root channels and/or pores; 3 percent olive brown (2.5Y 4/3) worm casts and 3 percent grayish brown (2.5Y 5/2) worm casts; fragments; noneffervescent; clear smooth boundary. Lab sample # 40A19628. Quartz predominantly finely divided bleached in dark cast and filled channels of matrix color and lightly iron stained in casts and fill material of matrix color; minerals primarily quartz with lesser amounts of feldspar and iron-manganese concentrations; temperature 75 degrees F.; continuous - phpvsfiid 185650; patchy - phpvsfiid 185645; continuous - phpvsfiid 185646; patchy - phpvsfiid 185647; patchy - phpvsfiid 185648; continuous - phpvsfiid 185649; continuous - phpvsfiid 185650; patchy - phpvsfiid 185645; continuous - phpvsfiid 185646; patchy - phpvsfiid 185647; patchy - phpvsfiid 185648; continuous - phpvsfiid 185649
    B3ca1—51 to 79 centimeters (20.1 to 31.1 inches); light gray (2.5Y 7/2), olive brown (2.5Y 4/3), moist; silt loam; weak coarse prismatic parts to weak and moderate fine and medium subangular blocky structure; slightly hard, friable; 0.5 fine pores; light gray (2.5Y 7/2), dry, coats on faces of peds and clay films on vertical faces of peds and clay films in root channels and/or pores; 3 percent olive brown (2.5Y 4/3) worm casts and 3 percent light gray (2.5Y 7/2) worm casts and 1 percent fine lime masses; fragments; slight effervescence; gradual wavy boundary. Lab sample # 40A19629. Quartz predominantly finely divided bleached; minerals primarily quartz with lesser amounts of feldspar and iron-manganese concentrations; temperature 73 degrees F.; patchy - phpvsfiid 185652; patchy - phpvsfiid 196062; patchy - phpvsfiid 196063; patchy - phpvsfiid 185652; patchy - phpvsfiid 196062; patchy - phpvsfiid 196063
    B3ca2—79 to 109 centimeters (31.1 to 42.9 inches); light gray (2.5Y 7/2), light olive brown (2.5Y 5/3), moist; silt loam; weak and moderate fine and medium subangular blocky structure; slightly hard, friable; 0.5 fine pores; grayish brown (2.5Y 5/2), moist, coats on faces of peds and light gray (2.5Y 7/2), dry, coats on faces of peds and clay films on vertical faces of peds and clay films in root channels and/or pores and 10 percent light olive brown (2.5Y 5/3), moist, in root channels and/or pores and 10 percent light gray (2.5Y 7/2), dry, in root channels and/or pores; 1 percent light olive brown (2.5Y 5/3) worm casts and 1 percent light gray (2.5Y 7/2) worm casts and 3 percent fine lime masses; fragments; slight effervescence; gradual smooth boundary. Lab sample # 40A19630. Quartz predominantly finely divided bleached; minerals predominantly quartz with an increase in feldspar and iron-manganese concentrations; temperature 70 degrees F.; patchy - phpvsfiid 196064; patchy - phpvsfiid 196065; continuous - phpvsfiid 196066; continuous - phpvsfiid 196067; patchy - phpvsfiid 196068; patchy - phpvsfiid 196069; patchy - phpvsfiid 196064; patchy - phpvsfiid 196065; continuous - phpvsfiid 196066; continuous - phpvsfiid 196067; patchy - phpvsfiid 196068; patchy - phpvsfiid 196069
    Cca1—109 to 132 centimeters (42.9 to 52.0 inches); light gray (2.5Y 7/2), light olive brown (2.5Y 5/3), moist; silt loam; massive; soft, very friable; 3.0 fine and medium pores; 3 percent fine lime masses; fragments; slight effervescence; gradual smooth boundary. Lab sample # 40A19631. Quartz predominantly finely divided bleached; minerals predominantly quartz with an increase in feldspar and iron-manganese concentrations; temperature 68 degrees F.
    Cca2—132 to 152 centimeters (52.0 to 59.8 inches); light gray (2.5Y 7/2), grayish brown (2.5Y 5/2), moist; silt loam; massive; soft, very friable; 3.0 fine and medium pores; 1 percent fine lime masses; fragments; slight effervescence. Lab sample # 40A19632. Quartz predominantly finely divided bleached; minerals predominantly quartz with in increase in feldspar and iron-manganese concentrations; temperature 64 degrees F.