IDENTIFIERS

  • Current Taxon Name (Soil Name): Bearpaw
  • OSD
  • Series Extent
  • User Site ID: S1962MT005005
  • User Pedon ID: S1962MT005005
  • Vegetation Plot ID: S1962MT005005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3332
  • NCSS Pedon Lab Data NASIS Record ID - 38447
  • Print Date: 12/17/2024

    • 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: 48.3507576
  • Std. Longitude: -109.3502579
  • Datum: WGS84
  • Township: 30N
  • Range: 18E
  • Section: 14
  • PLSS Details: 1050 feet W of S 1/4 Corner
  • State: Montana
  • County: MT005—Blaine
  • MLRA: 58A—Northern Rolling High Plains, Northern Part
  • Non-MLRA Soil Survey Area: MT608—Blaine County and Part of Phillips County Area, Montana

    • PEDON

  • Describers Name: Grossman, Walker, Anderson, Nielson, Moshier and Mogen.
  • Current Taxonomic Class: Fine, smectitic, frigid Typic Argiborolls
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Bearpaw
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/23/2007
  • Sampled As Information:
  • Soil Name - Bearpaw
  • Classificaton Date - 8/27/1962
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: till plain
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/27/1962 (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

    BOGR2

    KOMA

    PASM

    Bouteloua gracilis

    Koeleria macrantha

    Pascopyrum smithii

    blue grama

    prairie Junegrass

    western wheatgrass

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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

    —

    —

    —

    —

    45

    381

    —

    —

    5.6

    20

    -8.9

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    A1—0 to 5 centimeters (0.0 to 2.0 inches); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2) and gray (10YR 6/1) and very dark gray (10YR 3/1), dry; loam; moderate very fine granular, and moderate very fine platy structure; soft, very friable, slightly sticky, nonplastic; fragments; noneffervescent; clear smooth boundary. Lab sample # 40A25947. Common clear sand grains that are mostly stained but are unstained on the surface 1/4 inch of soil.
    B1—5 to 10 centimeters (2.0 to 3.9 inches); very dark grayish brown (10YR 3/2), very dark grayish brown (10YR 3/2), dry; clay loam; moderate medium prismatic parts to moderate very fine angular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; clay films and very dark brown (10YR 2/2), moist, coats on faces of peds; fragments; noneffervescent; clear wavy boundary. Lab sample # 40A25948. Estimated 32 percent clay. Few clear silt grains.; continuous - phpvsfiid 184374; continuous - phpvsfiid 184374
    B21—10 to 20 centimeters (3.9 to 7.9 inches); very dark grayish brown (10YR 3/2), brown (10YR 5/3), dry; clay; strong fine and medium prismatic parts to strong very fine subangular blocky structure; very hard, friable, moderately sticky, very plastic; 0.5 medium and 21.0 fine pores; clay films on faces of peds and dark grayish brown (10YR 4/2), dry, coats; fragments; noneffervescent; gradual boundary. Lab sample # 40A25949. Estimated 48 percent clay. Few clear sand grains that are mostly stained; some rounded lips.; continuous - phpvsfiid 184376; continuous - phpvsfiid 184376
    B22—20 to 36 centimeters (7.9 to 14.2 inches); dark grayish brown (2.5Y 4/2), grayish brown (10YR 5/2), dry; clay; moderate fine and medium prismatic parts to strong very fine and fine angular blocky structure; extremely hard, friable, moderately sticky, very plastic; 0.5 medium and 3.0 fine pores; clay films on faces of peds and dark grayish brown (2.5Y 4/2), dry, coats and very dark grayish brown (10YR 3/2), moist, coats; fragments; noneffervescent; clear irregular boundary. Lab sample # 40A25950. Estimated 50 percent clay; few clear sand grains, mostly stained; some rounded lips.; continuous - phpvsfiid 195535; continuous - phpvsfiid 195535
    B23ca—36 to 48 centimeters (14.2 to 18.9 inches); dark grayish brown (2.5Y 4/2), grayish brown (2.5Y 5/2), dry; clay; strong medium prismatic parts to strong fine angular blocky structure; extremely hard, friable, very sticky, very plastic; 5.0 medium and 21.0 fine pores; grayish brown (2.5Y 5/2), dry, on faces of peds and dark grayish brown (2.5Y 4/2), moist, on faces of peds; 1 percent carbonate nodules; fragments; slight effervescence; gradual wavy boundary. Lab sample # 40A25951. Few clear sand grains, mostly stained; few fragments of lignite.
    B31ca—48 to 74 centimeters (18.9 to 29.1 inches); very dark grayish brown (2.5Y 3/2), grayish brown (2.5Y 5/2), dry; clay; strong fine and medium prismatic parts to moderate medium angular blocky structure; extremely hard, firm, moderately sticky, very plastic; 3.0 fine and medium pores; clay films on vertical faces of peds and clay films; 21 percent white (2.5Y 8/1) carbonate nodules; fragments; slight effervescence; gradual wavy boundary. Lab sample # 40A25952. Lime segregates occurring as vertical filming and as hard lime crusts on sides and under gravels; frequently remaining in gravel sockets in the disturbed soil.; continuous - phpvsfiid 195540; patchy - phpvsfiid 195541; continuous - phpvsfiid 195540; patchy - phpvsfiid 195541
    B32ca—74 to 112 centimeters (29.1 to 44.1 inches); very dark grayish brown (2.5Y 3/2), grayish brown (2.5Y 5/2), dry; clay; strong medium prismatic parts to moderate medium and coarse angular blocky structure; extremely hard, firm, moderately sticky, very plastic; 3.0 fine and medium pores; clay films on vertical faces of peds and clay films and dark grayish brown (2.5Y 4/2), dry, coats; 21 percent white (2.5Y 8/1) carbonate nodules; fragments; slight effervescence; gradual wavy boundary. Lab sample # 40A25953. Segregations of lime having clear boundary with the surrounding soil, occurring as vertical filming and as lime coating on the sides and under gravels and in gravel sockets in the soil.; continuous - phpvsfiid 195542; patchy - phpvsfiid 195543; continuous - phpvsfiid 195542; patchy - phpvsfiid 195543
    Cca—112 to 147 centimeters (44.1 to 57.9 inches); dark olive gray (5Y 3/2), olive gray (5Y 5/2), dry; clay; 1 percent yellowish red (5YR 5/6) fine mottles; moderate coarse and very coarse prismatic parts to weak medium granular structure; extremely hard, firm, moderately sticky, very plastic; clay films on faces of peds; 5 percent white (2.5Y 8/1) carbonate nodules; fragments; slight effervescence; gradual wavy boundary. Lab sample # 40A25954. Segregated lime mainly as lime coatings on sides and undersides of gravel and in gravel sockets; a few lignite fragments.; patchy - phpvsfiid 195545; patchy - phpvsfiid 195545
    C2—147 to 180 centimeters (57.9 to 70.9 inches); dark olive gray (5Y 3/2), olive gray (5Y 5/2), dry; clay; moderate coarse and very coarse prismatic parts to weak medium and coarse angular blocky structure; extremely hard, firm, moderately sticky, very plastic; fragments; slight effervescence; gradual boundary. Lab sample # 40A25955. Discontinuous 1 inch thick layers of silt of grayish-brown (2.5Y 5/2) moist.
    C3cs1—180 to 216 centimeters (70.9 to 85.0 inches); dark olive gray (5Y 3/2), grayish brown (2.5Y 5/2), dry; clay; 21 percent light olive brown (2.5Y 5/3) fine distinct mottles; weak very coarse platy structure; extremely hard, firm, moderately sticky, very plastic; gypsum crystal clusters; fragments; slight effervescence; gradual boundary. Lab sample # 40A25956. Gypsum occurs in thick vertical seams with thinner intersection horizontal seams.
    C3cs2—216 to 244 centimeters (85.0 to 96.1 inches); dark olive gray (5Y 3/2), olive gray (5Y 5/2), dry; clay; 21 percent light olive brown (2.5Y 5/3) fine distinct mottles; weak very coarse platy structure; extremely hard, firm, moderately sticky, very plastic; gypsum crystals, unspecified; fragments; slight effervescence; gradual boundary. Lab sample # 40A25957. Crystals occur in thick vertical seams and as thinner seams coating the undersides of plates of soil.
    C3cs3—244 to 274 centimeters (96.1 to 107.9 inches); olive (5Y 5/3), olive gray (5Y 5/2), dry; clay; weak very coarse platy structure; extremely hard, firm, moderately sticky, very plastic; 1 percent gypsum crystal clusters; fragments; slight effervescence. Lab sample # 40A25958
    C4—274 to 315 centimeters (107.9 to 124.0 inches); olive (5Y 5/3), olive gray (5Y 5/2), dry; clay; weak very coarse platy structure; extremely hard, firm, moderately sticky, very plastic; 1 percent gypsum crystal clusters; fragments; slight effervescence. Lab sample # 40A25959