IDENTIFIERS

  • Current Taxon Name (Soil Name): Tonka
  • OSD
  • Series Extent
  • User Site ID: 65ND073005
  • User Pedon ID: 65ND073005
  • Vegetation Plot ID: 65ND073005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NDSU
  • Lab Pedon # - 65ND073005
  • NCSS Pedon Lab Data NASIS Record ID - 71892
  • Print Date: 5/31/2024

    • 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: 46.6283333
  • Std. Longitude: -97.6883333
  • Datum: WGS84
  • Location Description: 2,500 feet west and 590 feet south of the northeast corner of section 2, T. 136 N., R. 56 W.
  • Country: US—United States
  • State: North Dakota
  • County: ND073—Ransom
  • MLRA: 55B—Central Black Glaciated Plains
  • MLRA Soil Survey Area: NC-DVL—Devils Lake, North Dakota
  • Non-MLRA Soil Survey Area: ND073—Ransom County, North Dakota

    • PEDON

  • Describers Name: FS, SW
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Tonka
  • Classificaton Date - 8/20/1965
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: till plain
  • Landform: depression
  • Drainage Class: very poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/20/1965 (actual site observation date)
  • Surface Cover Properties:
  • 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

    SAGIT

    Sagittaria

    arrowhead

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

    mollic epipedon

    albic horizon

    argillic horizon

    0—33

    33—48

    48—86

    —-

    —-

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    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

    —

    —

    —

    —

    —

    508

    —

    —

    6.7

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    —

    —

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    —

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; moderate fine granular structure; soft, friable, slightly sticky, slightly plastic; 3.0 coarse roots; fragments; abrupt smooth boundary. Lab sample # NDSU1778; moist when described;. Ap has snail shells on the surface.
    A—18 to 33 centimeters (7.1 to 13.0 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; 1 percent yellowish brown (10YR 5/4) distinct threadlike mottles; moderate very fine platy, and moderate fine granular structure; soft, friable, slightly sticky, slightly plastic; 3.0 roots; fragments; abrupt wavy boundary. Lab sample # NDSU1779; moist when described;
    Ag(E)—33 to 48 centimeters (13.0 to 18.9 inches); dark gray (10YR 4/1), light gray (10YR 7/1), dry; loam; 25 percent brown (10YR 4/3) medium distinct mottles; moderate fine platy, and moderate fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 roots; fragments; abrupt irregular boundary. Lab sample # NDSU1780; moist when described;
    Bw1—48 to 61 centimeters (18.9 to 24.0 inches); very dark gray (10YR 3/1), grayish brown (10YR 5/2), dry; silty clay loam; 10 percent brown (10YR 4/3) fine prominent mottles; strong coarse prismatic parts to moderate very fine angular blocky structure; very hard, firm, moderately sticky, moderately plastic; 3.0 roots; sand coats on upper surfaces of peds or rocks and faint sand coats on vertical faces of peds; fragments; gradual wavy boundary. Lab sample # NDSU1781; moist when described;. In the Bw1 (Bt1) the prism tops are coated with about 0.1" of bleached sand grains which also dust the vertical ped faces.
    Bw2—61 to 86 centimeters (24.0 to 33.9 inches); dark gray (10YR 4/1), light brownish gray (10YR 6/2), dry; silty clay loam; moderate coarse prismatic parts to moderate fine granular structure; very hard, firm, moderately sticky, moderately plastic; 3.0 roots; pressure faces; fragments; gradual wavy boundary. Lab sample # NDSU1782; moist when described;. In the Bw2 (Bt2) the pressure faces are coated with bleached sand grains.
    BCg—86 to 127 centimeters (33.9 to 50.0 inches); dark grayish brown (2.5Y 4/2), light brownish gray (2.5Y 6/2), dry; silty clay loam; 10 percent dark yellowish brown (10YR 3/4) medium prominent mottles; weak coarse prismatic parts to moderate fine angular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.5 roots; 5 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence, by hcl, unspecified; gradual smooth boundary. Lab sample # NDSU1783; moist when described;
    Cg—127 to 152 centimeters (50.0 to 59.8 inches); gray (5Y 5/1) silty clay loam; 25 percent brown (7.5YR 4/4) medium prominent mottles; massive; hard when dry, friable, slightly sticky, moderately plastic; 0.5 fine roots; fragments; strong effervescence, by hcl, unspecified. Lab sample # NDSU1784; moist when described;. The Cg is saturated with water.