IDENTIFIERS

  • Current Taxon Name (Soil Name): Cactusflat
  • OSD
  • Series Extent
  • User Site ID: S1982SD071002
  • User Pedon ID: 82SD071002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 82P0824
  • NCSS Pedon Lab Data NASIS Record ID - 51611
  • 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: 43.9249992
  • Std. Longitude: -101.8361130
  • Datum: WGS84
  • Township: 2S
  • Range: 18E
  • Section: 35
  • PLSS Details: 98 meters S and 143 meters W of the NE corner
  • State: South Dakota
  • County: SD071—Jackson
  • MLRA: 60A—Pierre Shale Plains
  • PEDON

  • Describers Name: R. Schlepp and M. Mausbach
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Torriorthentic Haplustolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Cactusflat
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Cactusflat
  • Taxonomic Class - Fine, montmorillonitic, mesic Torriorthentic Haplu
  • Taxon Kind - taxadjunct
  • Classificaton Date - 9/1/1982
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: intermontane basin
  • Landform: playa or alluvial flat
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments: 0.05 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1982 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    calcic horizon

    0—23

    8—61

    61—74

    —-

    —-

    —-

    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

    772

    41

    9

    391972

    1A—0 to 8 centimeters (0.0 to 3.1 inches); dark gray (10YR 4/1) interior, very dark gray (10YR 3/1) interior, moist; silty clay; moderate very fine granular structure; soft, friable, moderately sticky, moderately plastic; 5.5 fine and medium roots; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6, pH meter; clear smooth boundary. Lab sample # 82P04241. many fine and medium roots
    1Bw1—8 to 23 centimeters (3.1 to 9.1 inches); gray (10YR 5/1) interior, very dark gray (10YR 3/1) interior, moist; clay; moderate medium prismatic, and moderate fine and medium subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 2.5 fine roots; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 82P04242. common fine roots
    1Bw2—23 to 41 centimeters (9.1 to 16.1 inches); grayish brown (10YR 5/2) interior, very dark grayish brown (10YR 3/2) interior, moist; clay; moderate coarse subangular blocky, and weak fine and medium subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 2.5 fine roots; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter; clear wavy boundary. Lab sample # 82P04243. common fine roots
    2BC—41 to 61 centimeters (16.1 to 24.0 inches); light brownish gray (10YR 6/2) interior, brown (10YR 5/3) interior, moist; silty clay loam; weak fine and medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 2.5 fine roots; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.8, pH meter; clear wavy boundary. Lab sample # 82P04244. common fine roots
    2Ck—61 to 74 centimeters (24.0 to 29.1 inches); light gray (10YR 7/2) interior, brown (10YR 5/3) interior, moist; silty clay loam; massive; hard, friable, moderately sticky, moderately plastic; 0.5 fine roots; 2 percent fine and medium lime masses; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter; clear wavy boundary. Lab sample # 82P04245. few to common fine and medium soft masses of lime concentrations; few fine roots
    2C1—74 to 113 centimeters (29.1 to 44.5 inches); light gray (10YR 7/2) interior, brown (10YR 5/3) interior, moist; silty clay loam; massive; hard, friable; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.8, pH meter; clear wavy boundary. Lab sample # 82P04246. Weak thin bedding planes evident.
    2C2—113 to 170 centimeters (44.5 to 66.9 inches); light gray (10YR 7/2) interior, brown (10YR 5/3) interior, moist; silt loam; massive; hard, friable; fragments; strong effervescence, by hcl, 1n; very strongly alkaline, pH 9.4, pH meter. Lab sample # 82P04247. Weak thin bedding planes evident.