IDENTIFIERS

  • Current Taxon Name (Soil Name): WORTMAN
  • OSD
  • Series Extent
  • User Site ID: S1971SD121001
  • User Pedon ID: S1971SD121001
  • Vegetation Plot ID: S1971SD121001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2512
  • NCSS Pedon Lab Data NASIS Record ID - 37208
  • Print Date: 2/16/2025
  • 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: 43.3172226
  • Std. Longitude: -100.6311111
  • Datum: WGS84
  • Township: 39N
  • Range: 28W
  • Section: 34
  • PLSS Details: 150 feet south and 300 feet east of NW corner
  • Map Unit: WbA—WANBLEE-WORTMAN SILT LOAMS, 0 TO 6 PERCENT SLOPES
  • State: South Dakota
  • County: SD121—Todd
  • MLRA: 64—Mixed Sandy and Silty Tableland and Badlands
  • Non-MLRA Soil Survey Area: SD121—Todd County, South Dakota
  • PEDON

  • Describers Name: P. R. Johnson and R. F. Springer.
  • Current Taxonomic Class: Fine, montmorillonitic, mesic Aridic Natrustolls
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - WORTMAN
  • PSC - 15 to 33 cm.
  • Classificaton Date - 7/16/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Wortman
  • Classificaton Date - 6/1/1971
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: upland
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1971 (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

    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

    1

    254

    8.9

    A1—0 to 10 centimeters (0.0 to 3.9 inches); dark gray (10YR 4/1), very dark grayish brown (10YR 3/2), moist; silt loam; weak fine granular structure; soft, friable, slightly sticky; fragments; abrupt smooth boundary. Lab sample # 40A19723
    A2—10 to 15 centimeters (3.9 to 5.9 inches); gray (10YR 5/1), very dark gray (10YR 3/1), moist; silt loam; weak coarse platy parts to weak very fine granular structure; hard, friable, slightly sticky; fragments; abrupt irregular boundary. Lab sample # 40A19724
    B21t—15 to 25 centimeters (5.9 to 9.8 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; clay; moderate medium columnar parts to strong very fine and fine subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; gray (10YR 5/1), moist, coats on tops of soil columns; fragments; clear smooth boundary. Lab sample # 40A19725. Shiny surfaces on peds.; continuous - phpvsfiid 196101; continuous - phpvsfiid 196101
    B22t—25 to 33 centimeters (9.8 to 13.0 inches); brown (10YR 5/3), brown (10YR 4/3), moist; clay loam; weak medium prismatic parts to strong very fine and fine subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; brown (10YR 4/3), moist, coats on faces of peds; 10 percent by volume 2-39-75 millimeter siltstone, unspecified fragments; clear wavy boundary. Lab sample # 40A19726. continuous - phpvsfiid 196102; continuous - phpvsfiid 196102
    B3—33 to 46 centimeters (13.0 to 18.1 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; clay loam; weak coarse subangular blocky structure; hard, friable, slightly sticky; 1 percent fine carbonate threads and 1 percent fine lime masses; 10 percent by volume 2-39-75 millimeter siltstone, unspecified fragments; strong effervescence; gradual wavy boundary. Lab sample # 40A19727
    C1—46 to 66 centimeters (18.1 to 26.0 inches); very pale brown (10YR 7/3), brown (10YR 5/3), moist; loam; massive; hard, friable, slightly sticky; 1 percent fine lime masses and 1 percent fine carbonate threads; 30 percent by volume 2-39-75 millimeter siltstone, unspecified fragments; strong effervescence; gradual smooth boundary. Lab sample # 40A19728
    C2—66 to 89 centimeters (26.0 to 35.0 inches); very pale brown (10YR 7/3), brown (10YR 5/3), moist; loam; massive; hard, friable, slightly sticky; 21 percent fine and medium lime masses; 75 percent by volume 2-39-75 millimeter siltstone, unspecified fragments; strong effervescence; clear wavy boundary. Lab sample # 40A19729
    C3—89 to 132 centimeters (35.0 to 52.0 inches); very pale brown (10YR 8/2) and very pale brown (10YR 8/3), light yellowish brown (10YR 6/4), moist; unweathered bedrock; fragments; strong effervescence. Lab sample # 40A19730. Easily penetrated with hand tools.
    C4—132 to 165 centimeters (52.0 to 65.0 inches); very pale brown (10YR 8/3), light yellowish brown (10YR 6/4), moist; unweathered bedrock; fragments; strong effervescence. Lab sample # 40A19731. Easily penetrated with hand tools.