IDENTIFIERS

  • Current Taxon Name (Soil Name): KEITH
  • OSD
  • Series Extent
  • User Site ID: S1958SD113002
  • User Pedon ID: S1958SD113002
  • Vegetation Plot ID: S1958SD113002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2501
  • NCSS Pedon Lab Data NASIS Record ID - 37197
  • Print Date: 2/17/2025

    • 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: 43.0772209
  • Std. Longitude: -102.3752747
  • Datum: WGS84
  • Township: 38N
  • Range: 46W
  • Section: 30
  • PLSS Details: 2000 feet S of the NE corner, 350 feet W of the N-S fence
  • 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 - ustic
  • 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

    PASM

    Pascopyrum smithii

    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

    5

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    225

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    A1—0 to 5 centimeters (0.0 to 2.0 inches); dark grayish brown (2.5Y 4/2) and gray (2.5Y 5/1) crushed, black (2.5Y 2/1), moist; silt loam; weak fine granular structure; soft, very friable; fragments; noneffervescent; gradual smooth boundary. Lab sample # 40A19633. Quartz predominantly finely divided bleached; minerals primarily quartz with lesser amounts of feldspar and iron-manganese concentrations; temperature 88 degrees F, much worm mixing.
    AB—5 to 23 centimeters (2.0 to 9.1 inches); dark grayish brown (10YR 4/2), black (10YR 2/1), moist; silt loam; weak medium prismatic parts to moderate very fine and fine subangular blocky structure; slightly hard, friable; 0.5 medium pores; grayish brown (10YR 5/2), dry, coats on faces of peds and clay films on all faces of peds and 10 percent very dark brown (10YR 2/2), moist, in root channels and/or pores and 10 percent brown (10YR 4/3), dry, in root channels and/or pores and 30 percent black (10YR 2/1), moist, in root channels and/or pores and 30 percent dark grayish brown (10YR 4/2), dry, in root channels and/or pores; 3 percent very dark brown (10YR 2/2) worm casts and 3 percent dark grayish brown (10YR 4/2) worm casts and 1 percent black (10YR 2/1) worm casts and 1 percent brown (10YR 4/3) worm casts; fragments; noneffervescent; clear smooth boundary. Lab sample # 40A19634. Quartz predominantly finely divided bleached; minerals primarily quartz with lesser amounts of feldspar and iron-manganese concentrations; temperature 78 degrees F; much worm mixing.; continuous - phpvsfiid 196070; patchy - phpvsfiid 196071; continuous - phpvsfiid 196072; continuous - phpvsfiid 196073; continuous - phpvsfiid 196074; continuous - phpvsfiid 196075; continuous - phpvsfiid 196070; patchy - phpvsfiid 196071; continuous - phpvsfiid 196072; continuous - phpvsfiid 196073; continuous - phpvsfiid 196074; continuous - phpvsfiid 196075
    B21—23 to 43 centimeters (9.1 to 16.9 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; silty clay loam; weak and moderate medium prismatic parts to moderate and strong very fine and fine subangular blocky structure; slightly hard, friable; 0.5 fine and medium pores; dark grayish brown (10YR 4/2), moist, coats on faces of peds and dark gray (10YR 4/1), 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 black (10YR 2/1), moist, in root channels and/or pores and 10 percent gray (10YR 5/1), dry, in root channels and/or pores and 30 percent dark grayish brown (10YR 4/2), moist, in root channels and/or pores and 30 percent dark gray (10YR 4/1), dry, in root channels and/or pores; 1 percent very dark grayish brown (2.5Y 3/2) worm casts and 3 percent dark grayish brown (2.5Y 4/2) worm casts and 3 percent grayish brown (2.5Y 5/2) worm casts and 1 percent grayish brown (2.5Y 5/2) worm casts; fragments; noneffervescent; gradual smooth boundary. Lab sample # 40A19635. Quartz predominantly finely divided bleached; minerals primarily quartz with lesser amounts of feldspar and iron-manganese concentrations; temperature 75 degrees F; much worm mixing.; patchy - phpvsfiid 185653; patchy - phpvsfiid 185654; patchy - phpvsfiid 185655; patchy - phpvsfiid 185656; continuous - phpvsfiid 185657; continuous - phpvsfiid 185658; continuous - phpvsfiid 185659; continuous - phpvsfiid 185660; patchy - phpvsfiid 185653; patchy - phpvsfiid 185654; patchy - phpvsfiid 185655; patchy - phpvsfiid 185656; continuous - phpvsfiid 185657; continuous - phpvsfiid 185658; continuous - phpvsfiid 185659; continuous - phpvsfiid 185660
    B22—43 to 56 centimeters (16.9 to 22.0 inches); light brownish gray (2.5Y 6/2), light olive brown (2.5Y 5/3), moist; silt loam, silty clay loam; weak and moderate medium prismatic parts to moderate fine and medium subangular blocky structure; hard, firm; 0.5 fine and 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 in root channels and/or pores and clay films on all faces of peds and 10 percent light brownish gray (2.5Y 6/2), moist, in root channels and/or pores and 10 percent olive brown (2.5Y 4/3), moist, in root channels and/or pores and 30 percent light olive brown (2.5Y 5/3), moist, in root channels and/or pores and 30 percent light brownish gray (2.5Y 6/2), dry, in root channels and/or pores; 3 percent light olive brown (2.5Y 5/3) worm casts and 3 percent light brownish gray (2.5Y 6/2) worm casts and 1 percent light yellowish brown (2.5Y 6/3) worm casts and 1 percent olive brown (2.5Y 4/3) worm casts; fragments; noneffervescent; gradual smooth boundary. Lab sample # 40A19636. Quartz predominantly finely divided bleached; minerals primarily quartz with lesser amounts of feldspar and iron-manganese concentrations; temperature 75 degrees F.; patchy - phpvsfiid 185661; patchy - phpvsfiid 185662; patchy - phpvsfiid 185663; patchy - phpvsfiid 185664; continuous - phpvsfiid 185665; continuous - phpvsfiid 185666; continuous - phpvsfiid 185667; continuous - phpvsfiid 185668; patchy - phpvsfiid 185661; patchy - phpvsfiid 185662; patchy - phpvsfiid 185663; patchy - phpvsfiid 185664; continuous - phpvsfiid 185665; continuous - phpvsfiid 185666; continuous - phpvsfiid 185667; continuous - phpvsfiid 185668
    B3ca1—56 to 71 centimeters (22.0 to 28.0 inches); light brownish gray (2.5Y 6/2), light olive brown (2.5Y 5/3), moist; silt loam; weak and moderate coarse and very coarse prismatic parts to weak and moderate medium and coarse subangular blocky structure; hard, friable; 0.5 fine and medium pores; clay films on all faces of peds and clay films in root channels and/or pores and 30 percent light olive brown (2.5Y 5/3), moist, in root channels and/or pores and 30 percent light brownish gray (2.5Y 6/2), dry, in root channels and/or pores; 3 percent light olive brown (2.5Y 5/3) worm casts and 3 percent light brownish gray (2.5Y 6/2) worm casts and 1 percent light yellowish brown (2.5Y 6/3) worm casts; fragments; strong effervescence; clear wavy boundary. Lab sample # 40A19637. Quartz predominantly finely divided bleached; minerals primarily quartz with noticeable increase of iron-manganese concentrations; temperature 75 degrees F; common worm mixing.; patchy - phpvsfiid 185669; patchy - phpvsfiid 185670; continuous - phpvsfiid 185671; continuous - phpvsfiid 185672; patchy - phpvsfiid 185669; patchy - phpvsfiid 185670; continuous - phpvsfiid 185671; continuous - phpvsfiid 185672
    B3ca2—71 to 99 centimeters (28.0 to 39.0 inches); light gray (2.5Y 7/2), light olive brown (2.5Y 5/3), moist; silt loam; weak coarse and very coarse prismatic parts to weak and moderate fine and medium subangular blocky structure; slightly hard, friable; 0.5 fine and medium pores; clay films on all faces of peds and clay films in root channels and/or pores and 10 percent olive brown (2.5Y 4/3), moist, in root channels and/or pores and 30 percent light olive brown (2.5Y 5/3), moist, in root channels and/or pores and 30 percent light gray (2.5Y 7/2), dry, in root channels and/or pores; 3 percent light olive brown (2.5Y 5/3) worm casts and 3 percent light gray (2.5Y 7/2) worm casts and 1 percent olive brown (2.5Y 4/3) worm casts and 1 percent fine lime masses and 1 percent fine carbonate threads; fragments; strong effervescence; gradual smooth boundary. Lab sample # 40A19638. Quartz predominantly finely divided bleached; minerals primarily quartz with increasing feldspar and iron-manganese concentrations; temperature 73 degrees F; slight worm mixing.; patchy - phpvsfiid 185673; patchy - phpvsfiid 185674; continuous - phpvsfiid 185675; continuous - phpvsfiid 185676; continuous - phpvsfiid 185677; patchy - phpvsfiid 185673; patchy - phpvsfiid 185674; continuous - phpvsfiid 185675; continuous - phpvsfiid 185676; continuous - phpvsfiid 185677
    B3ca3—99 to 127 centimeters (39.0 to 50.0 inches); light gray (2.5Y 7/2), grayish brown (2.5Y 5/2), moist; silt loam; weak fine and medium subangular blocky structure; soft, friable; 3.0 fine and medium pores; 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 and 10 percent olive brown (2.5Y 4/3), moist, 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 1 percent olive brown (2.5Y 4/3) worm casts and 1 percent fine lime masses and 1 percent fine carbonate threads; fragments; strong effervescence; gradual smooth boundary. Lab sample # 40A19639. Quartz predominantly finely divided bleached; increase in feldspar; temperature 68 degrees F.; continuous - phpvsfiid 185678; continuous - phpvsfiid 185679; continuous - phpvsfiid 185680; continuous - phpvsfiid 185678; continuous - phpvsfiid 185679; continuous - phpvsfiid 185680
    Cca1—127 to 152 centimeters (50.0 to 59.8 inches); light gray (10YR 7/2), brown (10YR 5/3), moist; silt loam; massive; soft, very friable; 3.0 fine and medium pores; 1 percent fine lime masses and 1 percent fine carbonate threads; fragments; slight effervescence. Lab sample # 40A19640. Quartz predominantly finely divided bleached; increasing feldspar and iron-manganese concentrations; temperature 65 degrees F.