IDENTIFIERS

  • Current Taxon Name (Soil Name): Tarkio
  • OSD
  • Series Extent
  • User Site ID: S1961MT063003
  • User Pedon ID: S1961MT063003
  • Vegetation Plot ID: S1961MT063003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3329
  • NCSS Pedon Lab Data NASIS Record ID - 38444
  • 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: 47.0591660
  • Std. Longitude: -114.3983307
  • Datum: WGS84
  • Township: 15N
  • Range: 22W
  • Section: 16
  • PLSS Details: 50 feet S and 50 feet E of W 1/4 corner
  • 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 #: 3
  • 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:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Drainage Class: well
  • Surface Fragments: 5.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/8/1961 (actual site observation date)
  • Air Photo ID: CNQ1P-91
  • 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

    AMELA

    ARNIC

    LUPIN

    Amelanchier

    Arnica

    Lupinus

    serviceberry

    arnica

    lupine

    —

    —

    —

    —

    —

    —

    —

    —

    —
    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

    18

    —

    —

    952

    —

    23

    381

    —

    —

    6.7

    15.6

    —

    —

    —

    —

    —

    —

    —

    —

    —
    O1—0 to 2 centimeters (0.0 to 0.8 inches); fragments. Lab sample # 40A25916; moist when described;
    O2—2 to 5 centimeters (0.8 to 2.0 inches); fragments. Lab sample # 40A25917; moist when described;
    A2—5 to 18 centimeters (2.0 to 7.1 inches); very dark gray (10YR 3/1) and very dark gray (7.5YR 3/1), gray (5YR 6/1), dry; silty clay loam; strong fine and medium granular structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 roots; 3.0 fine and medium vesicular pores; fragments; clear wavy boundary. Lab sample # 40A25918; moist when described;
    A2&B2—18 to 28 centimeters (7.1 to 11.0 inches); very dark gray (7.5YR 3/1), gray (5YR 6/1), dry; silty clay; strong fine angular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 21.0 roots; 3.0 fine pores; fragments; clear wavy boundary. Lab sample # 40A25919; moist when described;
    B21—28 to 35 centimeters (11.0 to 13.8 inches); weak red (2.5YR 4/2), pinkish gray (5YR 6/2), dry; clay; strong fine and medium subangular blocky, and weak very fine angular blocky structure; extremely hard, very firm, moderately sticky, very plastic; 21.0 roots; 3.0 very fine and fine pores; fragments; clear irregular boundary. Lab sample # 40A25920; moist when described;
    B22—35 to 56 centimeters (13.8 to 22.0 inches); weak red (2.5YR 4/2) and very dark brown (7.5YR 2/2), pale red (2.5YR 6/2), dry; clay; weak coarse prismatic, and strong fine and medium angular blocky structure; extremely hard, extremely firm, moderately sticky, very plastic; 21.0 roots; 0.5 very fine and fine pores; fragments; gradual boundary. Lab sample # 40A25921; moist when described;
    B23—56 to 76 centimeters (22.0 to 29.9 inches); weak red (2.5YR 4/2) and very dark brown (7.5YR 2/2), pale red (2.5YR 6/2), dry; clay; weak coarse prismatic, and strong medium and coarse subangular blocky, and weak fine angular blocky structure; extremely hard, extremely firm, moderately sticky, very plastic; 21.0 roots; 0.5 very fine and fine pores; fragments; clear wavy boundary. Lab sample # 40A25922; moist when described;
    B3—76 to 107 centimeters (29.9 to 42.1 inches); weak red (2.5YR 4/2) and reddish brown (5YR 5/3), pinkish gray (5YR 6/2) and pinkish white (5YR 8/2), dry; clay, silty clay loam; weak very coarse prismatic structure; extremely hard, very firm, moderately sticky, very plastic; 0.1 pores; fragments; slight effervescence; clear wavy boundary. Lab sample # 40A25923; moist when described;
    C—107 to 168 centimeters (42.1 to 66.1 inches); pinkish white (5YR 8/2), pale red (2.5YR 6/2), dry; clay, silty clay loam; extremely hard, very firm, moderately sticky, very plastic; fragments. Lab sample # 40A25924; moist when described;
    168 to 168 centimeters (66.1 to 66.1 inches); silty clay loam; fragments. Lab sample # 40A25925; moist when described;
    168 to 168 centimeters (66.1 to 66.1 inches); clay; fragments. Lab sample # 40A25926; moist when described;