IDENTIFIERS

  • Current Taxon Name (Soil Name): Lakoa
  • OSD
  • Series Extent
  • User Site ID: 78ND025006
  • User Pedon ID: 78ND025006
  • Vegetation Plot ID: 78ND025006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NDSU
  • Lab Pedon # - 78ND025006
  • NCSS Pedon Lab Data NASIS Record ID - 71385
  • Print Date: 4/25/2025
  • 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: 47.4838889
  • Std. Longitude: -102.9038889
  • Datum: WGS84
  • Location Description: 1200 feet south and 800 feet east of the NW corner of Sec. 10, T. 146 N., R. 96 W.
  • Country: US—United States
  • State: North Dakota
  • County: ND025—Dunn
  • MLRA: 54—Rolling Soft Shale Plain
  • Non-MLRA Soil Survey Area: ND025—Dunn County, North Dakota
  • PEDON

  • Describers Name: GM, FS, DP, MW, ST
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Lakoa
  • Classificaton Date - 6/8/1978
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Hill Slope Profile: footslope
  • Slope Shape Down: concave
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/8/1978 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: wind and water erosion
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AMAL2

    BETUL

    COAM3

    ULMUS

    Amelanchier alnifolia

    Betula

    Corylus americana

    Ulmus

    Saskatoon serviceberry

    birch

    American hazelnut

    elm

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

    ochric epipedon

    albic horizon

    0—20

    8—20

    —-

    —-

    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

    17

    Oi—0 to 3 centimeters (0.0 to 1.2 inches); fragments. 0-1 inch: leaves, twigs, and partially decomposed forest litter
    A—3 to 8 centimeters (1.2 to 3.1 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; moderate fine granular structure; friable, slightly sticky, slightly plastic; 3.0 very fine to medium roots throughout; fragments; abrupt smooth boundary. Lab sample # NDSU0504
    E—8 to 20 centimeters (3.1 to 7.9 inches); dark grayish brown (2.5Y 4/2), light gray (2.5Y 7/2), dry; loam; weak thin platy, and weak medium platy structure; friable, slightly sticky, slightly plastic; 0.5 fine and medium roots throughout; fragments; clear smooth boundary. Lab sample # NDSU0505
    Bt1—20 to 33 centimeters (7.9 to 13.0 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silty clay loam; moderate fine angular blocky structure; friable, moderately sticky, moderately plastic; 0.5 fine and medium roots throughout; 30 percent faint clay films on faces of peds; fragments; clear smooth boundary. Lab sample # NDSU0506
    Bt2—33 to 64 centimeters (13.0 to 25.2 inches); dark grayish brown (2.5Y 4/2), grayish brown (2.5Y 5/2), dry; clay loam; weak coarse prismatic parts to moderate medium angular blocky structure; friable, moderately sticky, moderately plastic; 0.5 fine and medium roots throughout; distinct clay films on faces of peds; fragments; clear smooth boundary. Lab sample # NDSU0507. continuous - phpvsfiid 91419; continuous - phpvsfiid 91419
    Bt3—64 to 89 centimeters (25.2 to 35.0 inches); grayish brown (2.5Y 5/2), light brownish gray (2.5Y 6/2), dry; silty clay loam; moderate medium and coarse prismatic parts to moderate medium angular blocky structure; friable, slightly sticky, moderately plastic; 0.1 medium roots throughout and 0.5 fine roots throughout; prominent dark grayish brown (10YR 4/2), dry, clay films on faces of peds and in pores and very dark grayish brown (10YR 3/2), moist,; fragments; gradual smooth boundary. Lab sample # NDSU0508. continuous - phpvsfiid 91420; continuous - phpvsfiid 91420
    Bt4—89 to 124 centimeters (35.0 to 48.8 inches); light olive gray (5Y 6/2), light gray (5Y 7/2), dry; loam; weak medium prismatic parts to weak medium platy, and weak thick platy structure; friable, moderately sticky, moderately plastic; 0.1 fine and medium roots throughout; dark yellowish brown (10YR 4/4), moist, and 10 percent faint dark grayish brown (10YR 4/2), dry, clay films on faces of peds; fragments; slight effervescence, by hcl, unspecified; gradual smooth boundary. Lab sample # NDSU0509
    C—124 to 155 centimeters (48.8 to 61.0 inches); light gray (5Y 7/2), white (5Y 8/1), dry; loam; olive yellow (2.5Y 6/6) and 10 percent light gray (2.5Y 7/2) fine faint mottles; massive; friable, slightly sticky, slightly plastic; 0.1 fine roots throughout; fragments; violent effervescence, by hcl, unspecified. Lab sample # NDSU0510