IDENTIFIERS

  • Current Taxon Name (Soil Name): Promise
  • OSD
  • Series Extent
  • User Site ID: S2006MT624907
  • User Pedon ID: S2006MT107006
  • Vegetation Plot ID: S2006MT624907
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 06N1014
  • NCSS Pedon Lab Data NASIS Record ID - 18845
  • Print Date: 4/18/2025

    • 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: 46.6966667
  • Std. Longitude: -109.7922211
  • Datum: WGS84
  • Location Description: Judith Basin—Wheatland County line.
  • State: Montana
  • MLRA: 46—Northern and Central Rocky Mountain Foothills
  • Non-MLRA Soil Survey Area: MT624—Wheatland County Area, Montana
  • 7.5 Minute USGS Quad: 46109-F7—Judith Gap, Montana

    • PEDON

  • Describers Name: TDL
  • Current Taxonomic Class: Fine, smectitic, frigid Entic Haplustolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 6
  • Sampled As Information:
  • Soil Name - Promise
  • Taxonomic Class - Fine, smectitic, frigid Entic Haplustolls
  • PSC - 25 to 100 cm.
  • Classificaton Date - 8/10/2006
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium and/or residuum
  • Landscape: foothills
  • Landform: swale
  • Hill Slope Profile: footslope
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: shale, unspecified
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/10/2006 (actual site observation date)
  • Surface Water Kind: none observed
  • Surface Water Depth: 203
  • Plant Association Name: 46/G/Cy
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop 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

    TRITI

    Triticum

    wheat

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

    mollic epipedon

    cambic horizon

    0—29

    8—108

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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

    4

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    —

    1435

    —

    114

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    Ap—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (2.5Y 3/2), dark grayish brown (2.5Y 4/2), moist; silty clay; 43 percent clay; moderate thin platy, and moderate fine subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 1.0 very fine roots and 1.0 fine roots; 2.0 very fine tubular and 2.0 very fine irregular pores; 1 percent by volume 76 - 250-? millimeter unspecified fragments and 5 percent by volume 2 - 75-? millimeter unspecified fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0; abrupt smooth boundary. Lab sample # 06N04325; moist when described;
    Bk1—8 to 29 centimeters (3.1 to 11.4 inches); very dark grayish brown (2.5Y 3/2), light olive brown (2.5Y 5/3), moist; clay; 42 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; slightly hard, friable, very sticky, very plastic; 1.0 very fine roots and 1.0 fine roots; 2.0 very fine tubular and 2.0 very fine irregular pores; 2 percent fine carbonate masses on faces of peds; 5 percent by volume 2 - 5-? millimeter unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2; clear wavy boundary. Lab sample # 06N04326; moist when described;
    Bk2—29 to 72 centimeters (11.4 to 28.3 inches); dark grayish brown (2.5Y 4/2), light olive brown (2.5Y 5/3), moist; silty clay; 45 percent clay; moderate coarse subangular blocky, and moderate very coarse subangular blocky structure; slightly hard, friable, very sticky, very plastic; 1.0 very fine roots and 1.0 fine roots; 2.0 very fine tubular and 2.0 very fine irregular pores; 2 percent fine prominent with diffuse boundaries on faces of peds; 5 percent medium carbonate masses on faces of peds; 5 percent by volume 2 - 5-? millimeter unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4; gradual wavy boundary. Lab sample # 06N04327; moist when described;
    Bk3—72 to 108 centimeters (28.3 to 42.5 inches); dark grayish brown (10YR 4/2), light brownish gray (2.5Y 6/2), moist; silty clay; 43 percent clay; moderate coarse subangular blocky, and moderate very coarse subangular blocky structure; slightly hard, friable, very sticky, very plastic; 1.0 very fine roots and 1.0 fine roots; 2.0 very fine tubular and 2.0 very fine irregular pores; 3 percent fine light olive brown (2.5Y 5/4) and 5 percent medium carbonate masses on faces of peds and 2 percent medium light olive brown (2.5Y 5/4); fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.4; clear wavy boundary. Lab sample # 06N04328; moist when described;
    Cy1—108 to 136 centimeters (42.5 to 53.5 inches); very dark gray (2.5Y 3/1), grayish brown (2.5Y 5/2), moist; clay; 42 percent clay; 10 percent light reddish brown (2.5YR 6/4) medium prominent mottles; massive; hard, firm, very sticky, very plastic; 0.2 tubular and 0.2 irregular pores; ; 10 percent light yellowish brown (2.5Y 6/4), moist, gypsum crystals, unspecified and 15 percent light olive brown (2.5Y 5/4), moist, carbonate nodules and 10 percent light yellowish brown (2.5Y 6/4), moist, and 5 percent fine carbonate masses on faces of peds and 10 percent fine yellowish brown (10YR 5/6) and 10 percent medium yellowish brown (10YR 5/6); fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0; clear wavy boundary. Lab sample # 06N04329; moist when described;
    Cy2—136 to 200 centimeters (53.5 to 78.7 inches); very dark gray (2.5Y 3/1), light brownish gray (2.5Y 6/2), moist; clay; 42 percent clay; 10 percent yellowish brown (10YR 5/6) medium prominent mottles; massive; hard, firm, very sticky, very plastic; 0.2 tubular and 0.2 irregular pores; ; 10 percent light yellowish brown (2.5Y 6/4), moist, gypsum crystals, unspecified and 15 percent coarse carbonate masses on faces of peds and 10 percent coarse dark yellowish brown (10YR 4/6) and 5 percent fine yellowish brown (10YR 5/6), moist, and 10 percent fine white (7.5YR 8/1), moist, carbonate nodules and 15 percent medium carbonate masses on faces of peds and 10 percent medium dark yellowish brown (10YR 4/6) and 5 percent medium yellowish brown (10YR 5/6), moist, and 10 percent medium white (7.5YR 8/1), moist, carbonate nodules; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.4. Lab sample # 06N04330; moist when described;