IDENTIFIERS

  • Current Taxon Name (Soil Name): Irvine
  • OSD
  • Series Extent
  • User Site ID: S1991MT089012
  • User Pedon ID: 91MT089012
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0857
  • NCSS Pedon Lab Data NASIS Record ID - 63895
  • Print Date: 1/29/2025

    • 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: 47.4622231
  • Std. Longitude: -114.4022217
  • Datum: WGS84
  • Township: 20N
  • Range: 22W
  • Section: 28
  • PLSS Details: 2300 feet W and 1800 feet N of the SE corner
  • Location Description: Big Bend - Flathead River.
  • State: Montana
  • County: MT089—Sanders

    • PEDON

  • Current Taxonomic Class: Fine-silty, illitic (calcareous), frigid Typic Xerorthents
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 12
  • Sampled As Information:
  • Soil Name - Irvine
  • Taxonomic Class - Fine-silty, illitic (calcareous), frigid Typic Xerorthents
  • Classificaton Date - 6/1/1991
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1991 (actual site observation date)
  • Surface Cover Properties:
  • 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

    12

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    823

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    180

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    A—0 to 8 centimeters (0.0 to 3.1 inches); grayish brown (10YR 5/2), light gray (10YR 7/2), dry; silty clay loam; weak thin platy structure; slightly hard, firm, moderately sticky, slightly plastic; 0.5 very fine and fine roots; fragments; slight effervescence; gradual wavy boundary. Lab sample # 91P05169. few very fine and fine roots
    C1—8 to 18 centimeters (3.1 to 7.1 inches); grayish brown (10YR 5/2), light gray (10YR 7/2), dry; silty clay loam; weak coarse subangular blocky structure; slightly hard, firm, moderately sticky, slightly plastic; 0.5 fine roots; fragments; strong effervescence; gradual wavy boundary. Lab sample # 91P05170. few fine roots
    C2—18 to 30 centimeters (7.1 to 11.8 inches); light brownish gray (10YR 6/2), very pale brown (10YR 8/2), dry; silty clay; moderate thin platy structure; hard, firm, moderately sticky, slightly plastic; 0.5 fine roots; fragments; strong effervescence; gradual wavy boundary. Lab sample # 91P05171. varves; few fine roots
    C3—30 to 152 centimeters (11.8 to 59.8 inches); light brownish gray (10YR 6/2), very pale brown (10YR 8/2), dry; silty clay; strong coarse platy structure; hard, firm, moderately sticky, slightly plastic; fragments; strong effervescence. Lab sample # 91P05172. , 91P5173, 91P5174, and 91P5175; varves