IDENTIFIERS

  • Current Taxon Name (Soil Name): Linwell
  • OSD
  • Series Extent
  • User Site ID: S1980MT015001
  • User Pedon ID: 80MT015001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 80P0421
  • NCSS Pedon Lab Data NASIS Record ID - 48197
  • Print Date: 11/13/2024

    • 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: 47.6763878
  • Std. Longitude: -110.7044449
  • Datum: WGS84
  • Township: 22N
  • Range: 8E
  • Section: 10
  • PLSS Details: 30 meters E and 31 meters S of the NW corner of the SW 1/4
  • Location Description: Chouteau County, Montana.
  • State: Montana
  • County: MT015—Chouteau
  • MLRA: 52—Brown Glaciated Plains

    • PEDON

  • Describers Name: Larry F. Ratliff.
  • Current Taxonomic Class: Fine, smectitic Cumulic Haploborolls
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Linwell
  • Classificaton Date - 7/11/2007
  • Sampled As Information:
  • Soil Name - Bearpaw
  • Classificaton Date - 8/1/1980
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: terrace—stream or lake
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1980 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    1

    —

    —

    990

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    1Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) interior, dark grayish brown (10YR 4/2) interior, dry; clay loam; moderate medium platy, and structureless massive; hard, firm; 5.5 fine and medium roots; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 80P02273. many fine and medium roots
    1B21t—15 to 51 centimeters (5.9 to 20.1 inches); very dark grayish brown (10YR 3/2) interior, dark grayish brown (10YR 4/2) interior, dry; clay; strong medium prismatic, and moderate fine and medium blocky structure; very hard, very firm; 2.5 fine and medium roots between peds; 2.5 fine tubular pores; clay films on faces of peds and 15 percent pressure faces; fragments; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 80P02274. few pressure faces surface features; common fine and medium roots between peds; continuous - phpvsfiid 214698; continuous - phpvsfiid 214698
    1B22t—51 to 76 centimeters (20.1 to 29.9 inches); dark grayish brown (10YR 4/2) interior, grayish brown (10YR 5/2) interior, dry; silty clay; moderate medium prismatic, and moderate medium blocky structure; very hard, firm; 2.5 fine and medium roots between peds; 2.5 fine and medium tubular pores; clay films on faces of peds and 37 percent pressure faces; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 80P02275. Carbonates are finely dispersed but are visible as thin white coatings on vertical faces of peds.; common pressure faces surface features; common fine and medium roots between peds; patchy - phpvsfiid 214700; patchy - phpvsfiid 214700
    1B23ca—76 to 119 centimeters (29.9 to 46.9 inches); very dark grayish brown (10YR 3/2) interior, dark grayish brown (10YR 4/2) interior, dry; clay; moderate medium prismatic, and moderate medium blocky structure; very hard, very firm; 2.5 fine roots between peds; 2.5 fine tubular pores; 37 percent pressure faces; 30 percent threadlike lime masses; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 80P02276. many soft masses of lime concentrations; common pressure faces surface features; common fine roots between peds
    1B24ca—119 to 163 centimeters (46.9 to 64.2 inches); dark grayish brown (10YR 4/2) interior and very dark grayish brown (10YR 3/2) interior, grayish brown (10YR 5/2) interior and dark grayish brown (10YR 4/2) interior, dry; clay; 11 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium prismatic, and weak medium blocky structure; very hard, very firm; 0.5 fine and medium roots between peds; 2.5 fine tubular pores; 37 percent pressure faces; 30 percent lime masses; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 80P02277. many soft masses of lime concentrations; common pressure faces surface features; few fine and medium roots between peds; common fine distinct 10YR56 mottles
    1C1ca—163 to 239 centimeters (64.2 to 94.1 inches); grayish brown (10YR 5/2) interior and dark grayish brown (10YR 4/2) interior, light brownish gray (10YR 6/2) interior and grayish brown (10YR 5/2) interior, dry; silty clay loam; 1 percent fine distinct mottles; massive; hard, firm; 0.5 fine and medium roots; 2.5 fine tubular pores; 11 percent fine threadlike lime masses; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 80P02278. Horizontal bands of 10YR 3/2 clayey strata about 5 to 10 mm thick and 5 to 10 cm apart are throughout the horizon.; common fine soft masses of lime concentrations; few fine and medium roots; few fine distinct mottles
    1C2ca—239 to 305 centimeters (94.1 to 120.1 inches); grayish brown (10YR 5/2) interior, light brownish gray (10YR 6/2) interior, dry; clay loam; massive; hard, firm; 0.5 fine roots; 0.5 fine tubular pores; 1 percent fine threadlike gypsum masses and 1 percent fine threadlike lime masses; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 80P02279. Few widely spaced and thin horizontal band of clayey strata.; few fine soft masses of lime concentrations; few fine masses of gypsum concentrations; few fine roots
    1C3—305 to 458 centimeters (120.1 to 180.3 inches); light olive brown (2.5Y 5/4) interior, pale yellow (2.5Y 7/4) interior, dry; silty clay loam; 1 percent fine faint mottles; massive; hard, friable; 0.5 fine roots; 0.5 fine tubular pores; 1 percent gypsum crystals, unspecified; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 80P02280. Few small less than 1 cm silica pebbles. Few small lignious deposits.———————; few gypsum crystals concentrations; few fine roots; few fine faint mottles