IDENTIFIERS

  • Current Taxon Name (Soil Name): Tarkio
  • OSD
  • Series Extent
  • User Site ID: S1961MT063004
  • User Pedon ID: S1961MT063004
  • Vegetation Plot ID: S1961MT063004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3330
  • NCSS Pedon Lab Data NASIS Record ID - 38445
  • Print Date: 11/21/2024

    • 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: 47.0232162
  • Std. Longitude: -114.3854065
  • Datum: WGS84
  • Township: 15N
  • Range: 22W
  • Section: 28
  • PLSS Details: 0.125 mile east and 0.5 mile south of center
  • Location Description: 100 feet off US Hwy 10.
  • State: Montana
  • County: MT063—Missoula
  • MLRA: 44A—Northern Rocky Mountain Valleys
  • Non-MLRA Soil Survey Area: MT638—Missoula County Area, Montana

    • PEDON

  • Current Taxonomic Class: Very-fine, mixed, semiactive, frigid Typic Eutroboralfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Tarkio
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/23/2007
  • Sampled As Information:
  • Soil Name - Tarkio
  • Classificaton Date - 6/8/1961
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: valley
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/8/1961 (actual site observation date)
  • Surface Cover Properties:
  • 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

    ALNUS

    AMELA

    ARNIC

    Alnus

    Amelanchier

    Arnica

    alder

    serviceberry

    arnica

    —

    —

    —

    —

    —

    —

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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

    —

    —

    —

    945

    —

    381

    —

    —

    6.7

    15.6

    —

    —

    —

    —

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    —
    O1—0 to 3 centimeters (0.0 to 1.2 inches); fragments. Lab sample # 40A25927; moist when described;
    O2—3 to 4 centimeters (1.2 to 1.6 inches); fragments. Lab sample # 40A25928; moist when described;
    A2—4 to 17 centimeters (1.6 to 6.7 inches); very dark gray (5YR 3/1), gray (5YR 6/1), dry; silty clay loam; weak coarse platy, and strong medium granular structure; slightly hard, friable, moderately sticky, moderately plastic; fragments; clear boundary. Lab sample # 40A25929; moist when described;
    A2&B2—17 to 27 centimeters (6.7 to 10.6 inches); very dark gray (5YR 3/1), pinkish gray (5YR 6/2), dry; silty clay loam; strong fine subangular blocky, and strong medium granular structure; slightly hard, friable, moderately sticky, moderately plastic; fragments; clear boundary. Lab sample # 40A25930; moist when described;
    B2&A2—27 to 37 centimeters (10.6 to 14.6 inches); weak red (2.5YR 4/2), pale red (2.5YR 6/2), dry; clay; strong very fine angular blocky structure; hard when dry, firm, moderately sticky, very plastic; on faces of peds; fragments; noneffervescent; clear boundary. Lab sample # 40A25931; moist when described;. patchy - phpvsfiid 189714; patchy - phpvsfiid 189714
    B21—37 to 47 centimeters (14.6 to 18.5 inches); weak red (2.5YR 4/2), pale red (2.5YR 6/2), dry; clay; strong fine angular blocky structure; extremely hard, very firm, moderately sticky, very plastic; 3.0 very fine pores; fragments; noneffervescent; gradual boundary. Lab sample # 40A25932; moist when described;
    B22—47 to 88 centimeters (18.5 to 34.6 inches); weak red (2.5YR 4/2), pale red (2.5YR 6/2), dry; clay; strong medium and coarse angular blocky, and moderate fine angular blocky structure; extremely hard, very firm, moderately sticky, very plastic; 21.0 roots; 21.0 very fine pores; fragments; noneffervescent; gradual boundary. Lab sample # 40A25933; moist when described;
    B3—88 to 113 centimeters (34.6 to 44.5 inches); dark grayish brown (2.5Y 4/2), pale red (2.5YR 6/2) and brown (7.5YR 5/4), dry; clay, silt; strong medium and coarse subangular blocky structure; extremely hard, very firm, moderately sticky, very plastic; 21.0 roots; 0.5 fine pores; fragments; noneffervescent; clear wavy boundary. Lab sample # 40A25934; moist when described;
    C1—113 to 131 centimeters (44.5 to 51.6 inches); dark grayish brown (2.5Y 4/2) and brown (7.5YR 5/4), light brownish gray (2.5Y 6/2) and pinkish white (5YR 8/2), dry; clay, silty clay loam; hard when dry, firm, moderately sticky, very plastic; fragments; noneffervescent. Lab sample # 40A25935; moist when described;
    2C2—131 to 156 centimeters (51.6 to 61.4 inches); dark brown (7.5YR 3/3), brown (7.5YR 5/2), dry; silty clay loam; strong very fine angular blocky structure; fragments; slight effervescence. Lab sample # 40A25936; moist when described;