IDENTIFIERS

  • Current Taxon Name (Soil Name): Eakin
  • OSD
  • Series Extent
  • User Site ID: S1956SD059010
  • User Pedon ID: S1956SD059010
  • Vegetation Plot ID: S1956SD059010
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2374
  • NCSS Pedon Lab Data NASIS Record ID - 37071
  • Print Date: 11/23/2024

    • 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: 44.2534990
  • Std. Longitude: -99.1051000
  • Datum: WGS84
  • Township: 109N
  • Range: 69W
  • Section: 15
  • PLSS Details: 370 feet south and 90 feet west of the northeast corner
  • Country: US—United States
  • State: South Dakota
  • County: SD059—Hand
  • MLRA: 53C—Southern Dark Brown Glaciated Plains
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-RED—Redfield, South Dakota
  • Non-MLRA Soil Survey Area: SD059—Hand County, South Dakota

    • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Copy of S1956SD059010-KSSL Pedon (Rec ID - 105648)
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - Eakin
  • PSC - 10 to 36 cm.
  • Classificaton Date - 1/19/2023
  • Classifier - Justiniano, Wilfredo
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Eakin
  • Classificaton Date - 7/25/1956
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 2
  • QA Status: not reviewed


    • SITE

  • Parent Material: periglacial loess over fine-loamy till
  • Landscape: till plain
  • Landform: ground moraine
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/25/1956 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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

    Bouteloua gracilis

    blue grama

    —

    —

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    secondary carbonates

    lithologic discontinuity

    0—36

    10—36

    36—107

    66—152

    —36—

    —26—

    —71—

    —86—
    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

    3

    —

    —

    —

    —

    315

    483

    —

    —

    —

    22.8

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 9 centimeters (0.0 to 3.5 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; silt loam; weak fine granular structure; soft, very friable; very dark grayish brown (10YR 3/2), dry, and black (10YR 2/1), moist, coats on faces of peds; fragments; noneffervescent; clear smooth boundary. Lab sample # 40A18597. Quartz grains predominantly stained with some finely divided, bleached quartz also observed. Horizon temperature 77 degrees F.
    Bt1—9 to 20 centimeters (3.5 to 7.9 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; silty clay loam; weak and moderate medium prismatic parts to fine prismatic parts to moderate fine and medium subangular blocky structure; slightly hard, friable; dark grayish brown (10YR 4/2), dry, and very dark brown (10YR 2/2), moist, coats on faces of peds and clay films on all faces of peds; fragments; noneffervescent smooth boundary. Lab sample # 40A18598. Quartz grains predominantly stained with some finely divided, bleached quartz grains also observed. Horizon temperature 73 degrees F.; patchy - phpvsfiid 184594; patchy - phpvsfiid 184594
    Bt2—20 to 36 centimeters (7.9 to 14.2 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; silty clay loam; moderate medium prismatic parts to weak and moderate fine and medium subangular blocky structure; slightly hard, friable; very dark grayish brown (10YR 3/2), dry, and black (10YR 2/1), moist, coats on faces of peds and clay films on all faces of peds; fragments; noneffervescent; clear smooth boundary. Lab sample # 40A18599. continuous - phpvsfiid 184597; continuous - phpvsfiid 184597; Only finely divided, bleached quartz grains observed. Horizon temperature 70 degrees F.
    Bk1—36 to 48 centimeters (14.2 to 18.9 inches); grayish brown (2.5Y 5/2), olive brown (2.5Y 4/3), moist; silty clay loam; weak and moderate coarse prismatic parts to medium prismatic parts to weak medium and coarse angular blocky structure; slightly hard, friable; grayish brown (2.5Y 5/2), dry, and olive brown (2.5Y 4/3), moist, coats on faces of peds and clay films on all faces of peds; 1 percent fine prominent dark yellowish brown (10YR 4/4), moist, and yellowish brown (10YR 5/8), dry, masses of oxidized iron; 3 percent fine and medium carbonate masses; fragments; slight effervescence; clear smooth boundary. Lab sample # 40A18600. Only finely divided, bleached quartz grains observed. Horizon temperature 70 degrees F.; continuous - phpvsfiid 184602; continuous - phpvsfiid 184602
    Bk2—48 to 66 centimeters (18.9 to 26.0 inches); light olive brown (2.5Y 5/3), olive brown (2.5Y 4/4), moist; sandy clay loam; weak and moderate coarse prismatic parts to medium prismatic parts to weak medium and coarse angular blocky structure; slightly hard, friable; clay films on all faces of peds; 1 percent fine prominent dark yellowish brown (10YR 4/4), moist, and yellowish brown (10YR 5/8), dry, masses of oxidized iron; 3 percent fine and medium carbonate masses; fragments; slight effervescence; clear irregular boundary. Lab sample # 40A18601. patchy - phpvsfiid 184605; patchy - phpvsfiid 184605; Only finely divided, bleached quartz grains observed. Horizon temperature 67 degrees F.
    2Bk1—66 to 89 centimeters (26.0 to 35.0 inches); grayish brown (2.5Y 5/2) crushed, olive brown (2.5Y 4/3) crushed, moist; clay loam; 21 percent olive brown (2.5Y 4/4) fine and medium distinct and 21 percent grayish brown (2.5Y 5/2) fine and medium distinct and 21 percent olive brown (2.5Y 4/4) fine and medium distinct and 21 percent light brownish gray (2.5Y 6/2) fine and medium distinct mottles; weak and moderate coarse prismatic parts to medium prismatic structure; hard, friable; grayish brown (2.5Y 5/2), dry, and olive brown (2.5Y 4/3), moist, coats on faces of peds and clay films on vertical faces of peds; 1 percent medium prominent dark yellowish brown (10YR 4/4), moist, and yellowish brown (10YR 5/8), dry, masses of oxidized iron and 1 percent medium distinct very dark grayish brown (2.5Y 3/2), moist, and olive brown (2.5Y 4/4), dry, iron-manganese masses; 3 percent fine and medium carbonate masses and 1 percent fine and medium weakly coherent cemented carbonate concretions; fragments; slight effervescence; clear irregular boundary. Lab sample # 40A18602. Quartz grains predominantly stained with some bleached quartz grains and some finely divided, bleached quartz grains also observed. Horizon temperature 64 degrees F.; patchy - phpvsfiid 184610; patchy - phpvsfiid 184610
    2Bk2—89 to 107 centimeters (35.0 to 42.1 inches); light yellowish brown (2.5Y 6/3), light olive brown (2.5Y 5/3), moist; silty clay loam; weak coarse prismatic parts to medium prismatic structure; hard, friable; clay films on vertical faces of peds; 3 percent fine distinct yellowish brown (10YR 5/8), dry, and dark yellowish brown (10YR 4/4), moist, masses of oxidized iron and 3 percent very fine distinct very dark gray (10YR 3/1), dry, and black (10YR 2/1), moist, iron-manganese masses; 1 percent fine and medium carbonate masses and 1 percent fine and medium weakly coherent cemented carbonate concretions; fragments; slight effervescence; clear irregular boundary. Lab sample # 40A18603. patchy - phpvsfiid 184615; patchy - phpvsfiid 184615; Only finely divided, bleached quartz grains observed. Horizon temperature 62 degrees F.
    2C—107 to 152 centimeters (42.1 to 59.8 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; clay loam; 3 percent pale yellow (2.5Y 7/3) fine faint and 3 percent gray (N 6/0) fine faint and 3 percent light olive brown (2.5Y 5/4) fine faint and 3 percent gray (N 5/0) fine faint mottles; massive parts to weak and moderate fine and medium angular blocky; hard, friable; clay films on horizontal faces of peds; 1 percent fine prominent yellowish brown (10YR 5/8), dry, and yellowish red (5YR 4/6), moist, iron-manganese masses and 3 percent fine distinct light olive brown (2.5Y 5/4), moist, and light yellowish brown (2.5Y 6/4), dry, masses of oxidized iron; 1 percent fine and medium carbonate masses and 1 percent fine and medium weakly coherent cemented carbonate concretions; fragments; slight effervescence. Lab sample # 40A18604. Quartz grains predominantly stained with some bleached quartz grains and some finely divided, bleached quartz grains also observed. Horizon temperature 60 degrees F.; patchy - phpvsfiid 184618; patchy - phpvsfiid 184618