IDENTIFIERS

  • Current Taxon Name (Soil Name): Kobar
  • OSD
  • Series Extent
  • User Site ID: S1966MT111001
  • User Pedon ID: S1966MT111001
  • Vegetation Plot ID: S1966MT111001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3644
  • NCSS Pedon Lab Data NASIS Record ID - 39309
  • 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: 45.9283333
  • Std. Longitude: -108.3375015
  • Datum: WGS84
  • Township: 2N
  • Range: 27E
  • Section: 14
  • PLSS Details: 1375 feet west and 285 feet south of N1/4 corner
  • State: Montana
  • County: MT111—Yellowstone
  • MLRA: 58A—Northern Rolling High Plains, Northern Part
  • Non-MLRA Soil Survey Area: MT111—Yellowstone County, Montana

    • PEDON

  • Describers Name: C. A. Mogen and J. C. Meshnick
  • Current Taxonomic Class: Fine, smectitic Borollic Camborthids
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Kobar
  • PSC - 13 to 46 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Allentine
  • Classificaton Date - 7/14/1966
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: terrace
  • Drainage Class: well
  • Surface Fragments: 1.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/14/1966 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous 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

    POA

    TRIFO

    Poa

    Trifolium

    bluegrass

    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

    2

    —

    —

    945

    —

    305

    —

    —

    8.3

    21.1

    -2.8

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    AP—0 to 13 centimeters (0.0 to 5.1 inches); light brownish gray (2.5Y 6/2), dark grayish brown (10YR 4/2), moist; clay; moderate medium granular structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 roots; fragments; noneffervescent; abrupt boundary. Lab sample # 40A28060. roots are abundant and are matted in the upper 1 inch of this soil.
    B21T—13 to 25 centimeters (5.1 to 9.8 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2), moist; clay; strong fine and medium angular blocky structure; extremely hard, firm, moderately sticky, very plastic; dark grayish brown (10YR 4/2), moist, coats and very dark gray (10YR 3/1), dry, clay films; fragments; noneffervescent; gradual boundary. Lab sample # 40A28061. there are patches of light brownish gray soil in which clear mineral grains dominate the surface, elsewhere there is a light reflective surface like that of continuous clay film.; continuous - phpvsfiid 189597; continuous - phpvsfiid 189597
    B22T—25 to 46 centimeters (9.8 to 18.1 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; clay; strong fine angular blocky structure; extremely hard, firm, moderately sticky, very plastic; 0.5 very fine to medium tubular and 0.5 fine pores; dark grayish brown (10YR 4/2), dry, clay films and very dark grayish brown (10YR 3/2), moist, clay films; fragments; noneffervescent; clear wavy boundary. Lab sample # 40A28062. continuous - phpvsfiid 189598; continuous - phpvsfiid 189599; continuous - phpvsfiid 189598; continuous - phpvsfiid 189599
    B3—46 to 63 centimeters (18.1 to 24.8 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; clay; moderate fine and medium angular blocky structure; extremely hard, firm, moderately sticky, very plastic; 3.0 very fine tubular and 0.5 fine pores; fragments; strong effervescence; gradual boundary. Lab sample # 40A28063. strongly calcareous with a few films of segregated lime.
    C1CA—63 to 89 centimeters (24.8 to 35.0 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; clay; moderate medium and coarse angular blocky structure; extremely hard, friable, moderately sticky, very plastic; 3.0 very fine tubular and 0.5 fine pores; 30 percent pressure faces; fragments; strong effervescence. Lab sample # 40A28064. strongly calcareous with very few film segregations of lime.
    C2—89 to 117 centimeters (35.0 to 46.1 inches); grayish brown (2.5Y 5/2), very dark grayish brown (2.5Y 3/2) and dark grayish brown (2.5Y 4/2), moist; clay; weak medium and coarse angular blocky structure; extremely hard, friable, moderately sticky, very plastic; 3.0 very fine tubular and 0.5 fine pores; pressure faces; fragments; strong effervescence. Lab sample # 40A28065. strongly calcareous with a few very fine film lime segregations.; discontinuous - phpvsfiid 189601; discontinuous - phpvsfiid 189601
    C3—117 to 140 centimeters (46.1 to 55.1 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; clay; weak coarse subangular blocky structure; very hard, friable, moderately sticky, moderately plastic; 3.0 very fine tubular and 0.5 fine pores; fragments; strong effervescence. Lab sample # 40A28066. strongly calcareous without segregated lime.
    2C4—140 to 168 centimeters (55.1 to 66.1 inches); light yellowish brown (2.5Y 6/3), dark grayish brown (2.5Y 4/2), moist; very fine sandy loam; massive; soft, very friable, nonsticky, nonplastic; 0.5 fine roots; medium tubular pores; fragments; slight effervescence. Lab sample # 40A28067. very slightly calcareous with a few fine segregations of lime around root holes and medium sized tubular pores; few light olive brown medium sized mottles appear in the dry soil.
    3C5—168 to 168 centimeters (66.1 to 66.1 inches); very gravelly sandy loam; fragments. Lab sample # 40A28068. Very gravelly sandy loam. Not sampled.