IDENTIFIERS

  • Current Taxon Name (Soil Name): Ashuelot
  • OSD
  • Series Extent
  • User Site ID: S2006MT624905
  • User Pedon ID: S2006MT107002
  • Vegetation Plot ID: S2006MT624905
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 06N1010
  • NCSS Pedon Lab Data NASIS Record ID - 18841
  • Print Date: 2/16/2025

    • 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: 46.6363907
  • Std. Longitude: -109.7961121
  • Datum: WGS84
  • Location Description: Gaughler Ranch.
  • Map Unit: 697B—Yaple-Ashuelot-Whitecow cobbly loams, 0 to 4 percent slopes
  • State: Montana
  • County: MT107—Wheatland
  • MLRA: 46—Northern and Central Rocky Mountain Foothills
  • Non-MLRA Soil Survey Area: MT624—Wheatland County Area, Montana
  • 7.5 Minute USGS Quad: 46109-E7—Oka, Montana

    • PEDON

  • Describers Name: TDL
  • Current Taxonomic Class: Loamy, carbonatic, frigid, shallow Petrocalcic Calciustolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Ashuelot
  • Taxonomic Class - Loamy, carbonatic, frigid, shallow Petrocalcic Calciustolls
  • PSC - 25 to 38 cm.
  • Classificaton Date - 8/8/2006
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: calcareous alluvium derived from limestone
  • Landscape: foothills
  • Landform: alluvial fan
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/8/2006 (actual site observation date)
  • Surface Water Depth: 80
  • Plant Association Name: 46/G/SwLy
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • 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

    ARFR4

    CADU6

    KOMA

    STCOC2

    Artemisia frigida

    Carex duriuscula

    Koeleria macrantha

    Stipa comata var. comata

    prairie sagewort

    needleleaf sedge

    prairie Junegrass

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    petrocalcic

    weakly coherent

    38 -

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

    mollic epipedon

    petrocalcic horizon

    0—18

    18—38

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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

    3

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    1478

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    92

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    A—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), moist; loam; 18 percent clay; moderate fine subangular blocky, and moderate fine granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 3.0 very fine roots in cracks and 1.0 coarse roots; 1.0 very fine irregular and 1.0 very fine tubular pores; 10 percent by volume 2 - 75-? millimeter unspecified fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # 06N04304; dry when described;
    Bk1—18 to 27 centimeters (7.1 to 10.6 inches); brown (10YR 5/3), very pale brown (10YR 7/3), moist; gravelly loam; 22 percent clay; moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, slightly plastic; 2.0 very fine roots and 1.0 medium roots; 3.0 very fine irregular and 3.0 very fine tubular and 3.0 fine irregular and 3.0 fine tubular pores; 20 percent carbonate coats on bottom of rock fragments; 20 percent fine carbonate masses on faces of peds; 20 percent by volume 2 - 75-? millimeter unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # 06N04305; dry when described;. continuous - phpvsfiid 335770; continuous - phpvsfiid 335770
    Bk2—27 to 38 centimeters (10.6 to 15.0 inches); pale brown (10YR 6/3), very pale brown (10YR 7/3), moist; gravelly sandy loam; 15 percent clay; moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, slightly plastic; 1.0 very fine roots; 3.0 very fine irregular and 3.0 very fine tubular pores; 25 percent carbonate coats on bottom of rock fragments; 25 percent fine carbonate masses on faces of peds; 25 percent by volume 2 - 75-? millimeter unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2; clear wavy boundary. Lab sample # 06N04306; dry when described;. continuous - phpvsfiid 335771; continuous - phpvsfiid 335771
    Bkm—38 to 95 centimeters (15.0 to 37.4 inches); very pale brown (10YR 7/3), very pale brown (10YR 8/2), moist; gravelly sandy loam; 15 percent clay; massive; hard, very firm, slightly sticky, slightly plastic; moderate excavation difficulty; 0.5 very fine roots; 2.0 medium irregular and 2.0 fine irregular pores; 55 percent by volume 2 - 75-? millimeter unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2; gradual wavy boundary. Lab sample # 06N04307; dry when described;
    2C—95 to 190 centimeters (37.4 to 74.8 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/4), moist; extremely gravelly sandy loam; 18 percent clay; single grain; loose, loose, slightly sticky, slightly plastic; 3.0 medium interstitial and 3.0 coarse interstitial pores; 50 percent carbonate coats on bottom of rock fragments; carbonate, finely disseminated; 5 percent by volume 76 - 250-? millimeter unspecified fragments and 75 percent by volume 2 - 75-? millimeter unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4. Lab sample # 06N04308; dry when described;. discontinuous - phpvsfiid 335772; discontinuous - phpvsfiid 335772