IDENTIFIERS

  • Current Taxon Name (Soil Name): Auchard
  • OSD
  • Series Extent
  • User Site ID: S1991MT049001
  • User Pedon ID: 91MT049001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0497
  • NCSS Pedon Lab Data NASIS Record ID - 64736
  • Print Date: 11/11/2024

    • 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: 47.3512878
  • Std. Longitude: -112.1931229
  • Datum: WGS84
  • Township: 19N
  • Range: 5W
  • Section: 36
  • PLSS Details: 300 feet E and 100 feet N of the SW corner
  • State: Montana
  • County: MT049—Lewis and Clark

    • PEDON

  • Pedon Type: OSD pedon
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Auchard
  • Taxonomic Class - Fine, mixed Typic Natriboralfs
  • PSC - 8 to 58 cm.
  • Classificaton Date - 8/6/1991
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: till plain
  • Hill Slope Profile: footslope
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/6/1991 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    2

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    1298

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    E—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; loam; moderate very fine platy structure; soft, very friable, slightly sticky, slightly plastic; 21.0 very fine roots; 21.0 very fine interstitial and tubular pores; fragments; very slight effervescence; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 92P02898. pores are """"going through plates""""; plate are coated with many gray silt and sand grains; color on gray coatings - (10YR 7/2)
    Btn—8 to 23 centimeters (3.1 to 9.1 inches); dark grayish brown (10YR 4/2) crushed and very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silty clay; 45 percent clay; strong medium prismatic structure; very hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots; 21.0 very fine interstitial and tubular pores; 75 percent prominent clay films on faces of peds; fragments; very slight effervescence; slightly alkaline, pH 7.8, hellige-truog; clear smooth boundary. Lab sample # 92P02899. columns are coated at the top with light gray (10YR 7/2) silt and sand grains; roots are mostly down between prism faces
    Btkn—23 to 61 centimeters (9.1 to 24.0 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; silty clay; 40 percent clay; moderate medium prismatic parts to moderate medium angular blocky structure; very hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots; 21.0 very fine interstitial and tubular pores; 75 percent distinct clay films on faces of peds; fragments; slight effervescence; strongly alkaline, pH 8.6, hellige-truog; gradual smooth boundary. Lab sample # 92P02900. few fine seams, soft masses, and coatings of lime
    Bkyz—61 to 84 centimeters (24.0 to 33.1 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; silty clay; 40 percent clay; weak medium angular blocky structure; very hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots; 3.0 very fine interstitial and tubular pores; 30 percent faint clay films on faces of peds; fragments; slight effervescence; strongly alkaline, pH 8.6, hellige-truog; gradual smooth boundary. Lab sample # 92P02901. common fine seams and masses of CaSO4
    Cr—84 to 152 centimeters (33.1 to 59.8 inches); greenish gray (5GY 5/1), greenish gray (5GY 6/1), dry; silty clay; moderate thin platy structure; very hard, firm, moderately sticky, moderately plastic; fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 92P02902. strongly effervescent to about 40"""" and slightly effervescent below; weakly expressed shale or clay material