IDENTIFIERS

  • Current Taxon Name (Soil Name): Cactusflat
  • OSD
  • Series Extent
  • User Site ID: S1982SD071009
  • User Pedon ID: 82SD071009
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 82P0828
  • NCSS Pedon Lab Data NASIS Record ID - 51615
  • Print Date: 4/19/2025

    • 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: 43.8505554
  • Std. Longitude: -101.9611130
  • Datum: WGS84
  • Township: 2S
  • Range: 18E
  • Section: 21
  • PLSS Details: 642 meters N and 247 meters W of the SE corner
  • State: South Dakota
  • County: SD071—Jackson
  • MLRA: 60A—Pierre Shale Plains

    • PEDON

  • Describers Name: R. Nielsen A. Meland and K. Emerson
  • Current Taxonomic Class: Fine, smectitic, mesic Torrertic Haplustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 9
  • 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 - series
  • 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: plain
  • Slope Shape Down: concave
  • 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

    salic horizon

    0—10

    28—48

    48—64

    64—79

    —-

    —-

    —-

    —-
    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

    —

    —

    787

    —

    41

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    391972

    —
    1A—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) interior, very dark grayish brown (10YR 3/2) interior, moist; clay; weak fine and medium subangular blocky, and weak fine and medium granular structure; soft, friable, moderately sticky, moderately plastic; 5.5 fine and medium roots; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.6, pH meter; clear smooth boundary. Lab sample # 82P04268. many fine and medium roots
    1Bw1—10 to 28 centimeters (3.9 to 11.0 inches); grayish brown (10YR 5/2) interior, very dark grayish brown (10YR 3/2) interior, moist; clay; weak medium and coarse prismatic, and weak medium subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 2.5 fine and medium roots; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter; clear smooth boundary. Lab sample # 82P04269. common fine and medium roots
    1Bw2—28 to 48 centimeters (11.0 to 18.9 inches); light brownish gray (10YR 6/2) interior, dark brown (10YR 3/3) interior, moist; clay; weak coarse prismatic, and weak medium subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 2.5 fine and medium roots; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter; gradual wavy boundary. Lab sample # 82P04270. common fine and medium roots
    1BCk—48 to 64 centimeters (18.9 to 25.2 inches); pale brown (10YR 6/3) interior, brown (10YR 4/3) interior, moist; silty clay; weak coarse subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 fine and medium roots; 11 percent fine and medium lime masses; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.8, pH meter; gradual wavy boundary. Lab sample # 82P04271. common fine and medium soft masses of lime concentrations; few fine and medium roots
    2Cz—64 to 79 centimeters (25.2 to 31.1 inches); 50 percent light gray (10YR 7/2) interior and 50 percent very pale brown (10YR 7/3) interior, brown (10YR 5/3) interior, moist; silty clay loam; massive; hard, friable, moderately sticky, moderately plastic; 11 percent fine and medium salt masses and 11 percent fine and medium lime masses; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter; gradual wavy boundary. Lab sample # 82P04272. common fine and medium salt masses concentrations; common fine and medium soft masses of lime concentrations
    2C—79 to 152 centimeters (31.1 to 59.8 inches); light gray (10YR 7/2) interior, brown (10YR 5/3) interior, moist; silty clay loam; massive; hard, friable, moderately sticky, moderately plastic; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.8, pH meter. Lab sample # 82P04273. Weak thin bedding planes evident.