IDENTIFIERS

  • Current Taxon Name (Soil Name): Eapa
  • OSD
  • Series Extent
  • User Site ID: S1982SD063001
  • User Pedon ID: 82SD063001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 83P0024
  • NCSS Pedon Lab Data NASIS Record ID - 51716
  • Print Date: 11/21/2024

    • 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: 45.4099998
  • Std. Longitude: -103.8269424
  • Datum: WGS84
  • Township: 17N
  • Range: 2E
  • Section: 25
  • PLSS Details: 372 meters E and 41 meters S of NW corner
  • State: South Dakota
  • County: SD063—Harding
  • MLRA: 58D—Northern Rolling High Plains, Eastern Part

    • PEDON

  • Describers Name: W. F. Johnson and M. Kruse
  • Current Taxonomic Class: Fine-loamy, mixed Aridic Argiborolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Eapa
  • PSC - 15 to 36 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Eapa
  • Taxonomic Class - Fine-loamy, mixed Aridic Argiboroll
  • Taxon Kind - series
  • Classificaton Date - 7/1/1982
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: terrace—stream or lake
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments: 0.05 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1982 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop 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

    argillic horizon

    calcic horizon

    0—25

    15—36

    51—127

    —-

    —-

    —-
    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

    —

    —

    1031

    —

    0

    36

    —

    —

    7

    —

    —

    —

    —

    —

    —

    —

    —

    397062

    —
    1Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) interior, dark grayish brown (10YR 4/2) interior, dry; loam; weak fine and medium granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 5.5 fine and medium roots; fragments; very slight effervescence, by hcl, 1n; slightly acid, pH 6.3, pH meter; abrupt smooth boundary. Lab sample # 83P00098. many fine and medium roots; effervescence is continuous
    1Bt—15 to 25 centimeters (5.9 to 9.8 inches); dark brown (10YR 3/3) interior, brown (10YR 5/3) interior, dry; clay loam; moderate medium prismatic, and moderate fine and medium subangular blocky structure; hard, friable, slightly sticky, moderately plastic; 5.5 fine and medium roots; pressure faces on upper surfaces of peds or rocks; fragments; very slight effervescence, by hcl, 1n; neutral, pH 7.0, pH meter; clear smooth boundary. Lab sample # 83P00099. many fine and medium roots; effervescence is continuous; continuous - phpvsfiid 215648; continuous - phpvsfiid 215648
    1Bt2—25 to 36 centimeters (9.8 to 14.2 inches); dark grayish brown (2.5Y 4/2) interior, brown (10YR 5/3) interior, dry; clay loam; moderate medium and coarse prismatic, and moderate medium subangular blocky structure; hard, friable, slightly sticky, moderately plastic; 5.5 fine and medium roots; pressure faces on upper surfaces of peds or rocks; fragments; very slight effervescence, by hcl, 1n; neutral, pH 7.0, pH meter; clear smooth boundary. Lab sample # 83P00100. many fine and medium roots; effervescence is continuous; patchy - phpvsfiid 215649; patchy - phpvsfiid 215649
    1BC—36 to 51 centimeters (14.2 to 20.1 inches); dark grayish brown (2.5Y 4/2) interior, grayish brown (2.5Y 5/2) interior, dry; loam; weak medium and coarse prismatic, and weak coarse subangular blocky structure; slightly hard, very friable, slightly plastic; 2.5 medium roots; pressure faces on upper surfaces of peds or rocks; fragments; very slight effervescence, by hcl, 1n; slightly alkaline, pH 7.6, pH meter; abrupt wavy boundary. Lab sample # 83P00101. common medium roots; effervescence is continuous; patchy - phpvsfiid 215650; patchy - phpvsfiid 215650
    1BCk—51 to 76 centimeters (20.1 to 29.9 inches); dark grayish brown (2.5Y 4/2) interior, light brownish gray (2.5Y 6/2) interior, dry; loam; weak coarse prismatic, and weak coarse subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 0.5 fine and medium roots; pressure faces on upper surfaces of peds or rocks; 30 percent fine lime masses; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter; clear wavy boundary. Lab sample # 83P00102. many fine soft masses of lime concentrations; few fine and medium roots; effervescence is continuous; patchy - phpvsfiid 215651; patchy - phpvsfiid 215651
    1Ck1—76 to 102 centimeters (29.9 to 40.2 inches); dark grayish brown (2.5Y 4/2) interior, light brownish gray (2.5Y 6/2) interior, dry; silt loam; massive; soft, very friable, slightly sticky, slightly plastic; 0.5 fine roots; 30 percent fine lime masses; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.8, pH meter; clear wavy boundary. Lab sample # 83P00103. many fine soft masses of lime concentrations; few fine roots; effervescence is continuous
    1Ck2—102 to 127 centimeters (40.2 to 50.0 inches); grayish brown (2.5Y 5/2) interior, light gray (2.5Y 7/2) interior, dry; silt loam; massive; soft, very friable, slightly sticky, slightly plastic; 0.1 fine roots; 30 percent fine lime masses; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.8, pH meter; gradual wavy boundary. Lab sample # 83P00104. many fine soft masses of lime concentrations; very few fine roots; effervescence is continuous
    1C—127 to 152 centimeters (50.0 to 59.8 inches); grayish brown (2.5Y 5/2) interior, light gray (2.5Y 7/2) interior, dry; silt loam; massive; soft, very friable, slightly sticky, slightly plastic; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.8, pH meter. Lab sample # 83P00105. effervescence is continuous