IDENTIFIERS

  • Current Taxon Name (Soil Name): Pactola
  • OSD
  • Series Extent
  • User Site ID: S1976SD081007
  • User Pedon ID: S1976SD081007
  • Vegetation Plot ID: S1976SD081007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2532
  • NCSS Pedon Lab Data NASIS Record ID - 37228
  • Print Date: 3/2/2025

    • 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: 44.1419449
  • Std. Longitude: -103.5991669
  • Datum: WGS84
  • Township: 2N
  • Range: 4E
  • Section: 11
  • PLSS Details: 550 feet north and 1,340 feet west of the SE corner
  • Location Description: About 3 miles south and 5 miles west of Nemo.
  • State: South Dakota
  • County: SD081—Lawrence
  • MLRA: 62—Black Hills
  • Non-MLRA Soil Survey Area: SD081—Lawrence County, South Dakota

    • PEDON

  • Describers Name: Larry D. Zavesky
  • Current Taxonomic Class: Loamy-skeletal, mixed, superactive, frigid Typic Eutroboralfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - Pactola
  • PSC - 23 to 73 cm.
  • Classificaton Date - 1/27/2010
  • Sampled As Information:
  • Soil Name - Pactola
  • Classificaton Date - 6/1/1976
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: mountain slope
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1976 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • 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

    BETUL

    Betula

    birch

    —

    —

    —
    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

    15

    —

    —

    —

    —

    559

    —

    —

    4.4

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    O1—0 to 3 centimeters (0.0 to 1.2 inches); fragments. Lab sample # 40A19852. Forest litter and partially decayed litter.
    A1—3 to 8 centimeters (1.2 to 3.1 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; weak thin platy parts to weak very fine granular structure; soft, very friable; 21.0 fine roots; 5 percent by volume 2-39-75 millimeter slate fragments; slightly acid, pH 6.3, unspecified; abrupt smooth boundary. Lab sample # 40A19853
    A2—8 to 26 centimeters (3.1 to 10.2 inches); dark grayish brown (10YR 4/2), light gray (10YR 7/2), dry; channery silt loam; weak thin platy structure; soft, very friable; 21.0 fine and medium roots; 45 percent by volume 2-39-75 millimeter slate fragments; slightly acid, pH 6.3, unspecified; clear wavy boundary. Lab sample # 40A19854
    B2t/A2—26 to 59 centimeters (10.2 to 23.2 inches); dark grayish brown (10YR 4/2), grayish brown (10YR 5/2), dry; channery silt loam; fragments. Lab sample # 40A19855
    B2t/A2—59 to 59 centimeters (23.2 to 23.2 inches); light gray (10YR 7/2); weak fine and medium subangular blocky structure; slightly hard, friable; 3.0 fine and medium roots; 50 percent by volume 2-39-75 millimeter slate fragments; slightly acid, pH 6.3, unspecified; gradual wavy boundary. Lab sample # 40A19855
    B21t—59 to 117 centimeters (23.2 to 46.1 inches); brown (10YR 4/3), brown (10YR 5/3), dry; flaggy silty clay loam; moderate fine subangular blocky structure; slightly hard, firm, slightly sticky, slightly plastic; 3.0 fine to coarse roots; 75 percent by volume 2-39-75 millimeter slate fragments; slightly acid, pH 6.3, unspecified; diffuse wavy boundary. Lab sample # 40A19856
    C—117 to 155 centimeters (46.1 to 61.0 inches); very dark grayish brown (2.5Y 3/2), light olive brown (2.5Y 5/3), dry; flaggy silt loam; massive; soft, friable; 0.5 medium and coarse roots; 75 percent by volume 2-39-75 millimeter slate fragments; slightly acid, pH 6.3, unspecified. Lab sample # 40A19857