IDENTIFIERS

  • Current Taxon Name (Soil Name): McDonald
  • OSD
  • Series Extent
  • User Site ID: S1965MT047005
  • User Pedon ID: S1965MT047005
  • Vegetation Plot ID: S1965MT047005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3634
  • NCSS Pedon Lab Data NASIS Record ID - 39299
  • Print Date: 11/26/2024

    • 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: 47.4393272
  • Std. Longitude: -114.0548477
  • Datum: WGS84
  • Township: 19N
  • Range: 19W
  • Section: 6
  • PLSS Details: 1/4 mile south and 150 feet northwest from NE corner
  • State: Montana
  • County: MT047—Lake
  • MLRA: 44A—Northern Rocky Mountain Valleys
  • Non-MLRA Soil Survey Area: MT629—Lake County Area, Montana
  • 7.5 Minute USGS Quad: 47114-D1—Fort Connah, Montana

    • PEDON

  • Describers Name: R. L. Moshier
  • Current Taxonomic Class: Fine, illitic, frigid Boralfic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - McDonald
  • PSC - 36 to 86 cm.
  • Classificaton Date - 11/30/2007
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Mcdonald
  • Classificaton Date - 7/15/1965
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/15/1965 (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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    TRIFO

    Trifolium

    clover

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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

    3

    —

    —

    —

    —

    293

    508

    —

    —

    5.6

    16.7

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    —

    —

    —

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    A11—0 to 18 centimeters (0.0 to 7.1 inches); dark gray (10YR 4/1), black (10YR 2/1), moist; loam; strong fine and medium granular structure; soft, very friable, slightly sticky, slightly plastic; 21.0 roots; fragments; clear boundary. Lab sample # 40A27968; dry when described;
    A12—18 to 25 centimeters (7.1 to 9.8 inches); grayish brown (10YR 5/2), very dark brown (10YR 2/2) crushed, moist; clay loam; moderate fine and medium subangular blocky parts to moderate fine granular structure; hard when dry, friable, slightly sticky, slightly plastic; 21.0 roots; fragments; clear wavy boundary. Lab sample # 40A27969; dry when described;
    B&A—25 to 36 centimeters (9.8 to 14.2 inches); light brown (7.5YR 6/4) and 40 percent pinkish gray (7.5YR 7/2) and light brown (7.5YR 6/3), brown (7.5YR 4/3) and brown (7.5YR 5/2) and brown (7.5YR 5/3) crushed, moist; silty clay; moderate medium subangular blocky parts to strong fine subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 21.0 roots; 21.0 fine pores; clay films; 10 percent by volume 2-39-75 millimeter unspecified fragments; gradual wavy boundary. Lab sample # 40A27970; dry when described;
    B21T—36 to 48 centimeters (14.2 to 18.9 inches); pinkish gray (7.5YR 7/2), light brown (7.5YR 6/4) and pinkish white (7.5YR 8/2) and brown (7.5YR 5/3), moist; clay; moderate coarse prismatic parts to strong fine subangular blocky structure; extremely hard, firm, moderately sticky, very plastic; 21.0 fine roots; 21.0 fine pores; clay films; 10 percent by volume 2-39-75 millimeter unspecified fragments; gradual wavy boundary. Lab sample # 40A27971; dry when described;
    B22T—48 to 69 centimeters (18.9 to 27.2 inches); pinkish gray (7.5YR 7/2), light brown (7.5YR 6/4) and pinkish white (7.5YR 8/2) and brown (7.5YR 5/3) and very dark brown (10YR 2/2) and dark gray (5YR 4/1), moist; clay; strong medium and coarse prismatic parts to weak medium subangular blocky structure; extremely hard, firm, moderately sticky, very plastic; 21.0 roots; 21.0 fine pores; clay films on faces of peds; 3 percent by volume 2-39-75 millimeter unspecified fragments; gradual wavy boundary. Lab sample # 40A27972; dry when described;
    B23T—69 to 89 centimeters (27.2 to 35.0 inches); light gray (10YR 7/2), brown (7.5YR 5/3) crushed and brown (7.5YR 5/2) and dark gray (5YR 4/1) and very dark gray (5YR 3/1), moist; silty clay; moderate very coarse prismatic structure; extremely hard, firm, moderately sticky, moderately plastic; clay films on faces of peds; 3 percent by volume 2-39-75 millimeter unspecified fragments; gradual wavy boundary. Lab sample # 40A27973; dry when described;. patchy - phpvsfiid 189646; patchy - phpvsfiid 189646
    B3—89 to 107 centimeters (35.0 to 42.1 inches); light gray (10YR 7/2) and brown (7.5YR 5/3), light brown (7.5YR 6/3) crushed and brown (7.5YR 5/2) and dark gray (5YR 4/1), moist; silty clay; moderate very coarse prismatic parts to moderate medium platy structure; extremely hard, firm, moderately sticky, moderately plastic; 30 percent distinct clay films in root channels and/or pores; 5 percent by volume 2-39-75 millimeter unspecified fragments; gradual wavy boundary. Lab sample # 40A27974; dry when described;
    C1CA—107 to 135 centimeters (42.1 to 53.1 inches); pinkish gray (7.5YR 6/2), light brown (7.5YR 6/3) crushed and dark brown (7.5YR 3/2), moist; silty clay, silty clay loam; moderate medium platy structure; extremely hard, firm, moderately sticky, moderately plastic; 5 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; abrupt boundary. Lab sample # 40A27975; dry when described;
    2C2—135 to 168 centimeters (53.1 to 66.1 inches); pink (7.5YR 7/3), light brown (7.5YR 6/3), moist; loam; weak coarse platy structure; very hard, firm, slightly sticky, slightly plastic; 5 percent by volume 2-39-75 millimeter unspecified fragments and 5 percent by volume 75-162-250 millimeter unspecified fragments; slight effervescence. Lab sample # 40A27976; dry when described;
    3C3—168 to 203 centimeters (66.1 to 79.9 inches); very pale brown (10YR 7/3), brown (10YR 5/3) and brown (7.5YR 5/4) crushed and brown (10YR 5/3), moist; silty clay; weak coarse platy structure; extremely hard, firm, moderately sticky, moderately plastic; 5 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence. Lab sample # 40A27977; dry when described;
    4C4—203 to 229 centimeters (79.9 to 90.2 inches); pale yellow (2.5Y 7/3), light yellowish brown (2.5Y 6/3), moist; silt loam; weak coarse platy structure; very hard, friable, slightly sticky, slightly plastic; 5 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence. Lab sample # 40A27978; dry when described;