IDENTIFIERS

  • Current Taxon Name (Soil Name): Gerdrum
  • OSD
  • Series Extent
  • User Site ID: S1969MT005002
  • User Pedon ID: S1969MT005002
  • Vegetation Plot ID: S1969MT005002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3686
  • NCSS Pedon Lab Data NASIS Record ID - 39351
  • Print Date: 5/31/2024

    • 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: 47.9343643
  • Std. Longitude: -109.4469223
  • Datum: WGS84
  • Township: 25N
  • Range: 18E
  • Section: 8
  • PLSS Details: 900 feet south and 50 feet east of W 1/4 corner
  • Location Description: Blaine County, Montana.
  • State: Montana
  • County: MT005—Blaine
  • MLRA: 52—Brown Glaciated Plains
  • Non-MLRA Soil Survey Area: MT608—Blaine County and Part of Phillips County Area, Montana

    • PEDON

  • Describers Name: R. L. Moshier
  • Current Taxonomic Class: Fine, frigid Borollic Natrargids
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Gerdrum
  • PSC - 11 to 36 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Warrick
  • Classificaton Date - 8/19/1969
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/19/1969 (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

    ARFR4

    KOMA

    Artemisia frigida

    Koeleria macrantha

    prairie sagewort

    prairie Junegrass

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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

    1

    —

    —

    1067

    —

    135

    381

    —

    —

    6.1

    19.4

    -6.7

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    A1—0 to 5 centimeters (0.0 to 2.0 inches); grayish brown (10YR 5/2) crushed and light brownish gray (10YR 6/2), dark brown (10YR 3/3) crushed, moist; loam; weak fine and medium platy parts to weak very fine granular structure; slightly hard, very friable, slightly sticky, nonplastic; fragments; neutral, pH 7.2, hellige-truog; clear wavy boundary. Lab sample # 40A28419
    A2—5 to 11 centimeters (2.0 to 4.3 inches); light gray (10YR 7/2) crushed and light gray (10YR 7/1), dark brown (10YR 3/3), moist; silty clay; strong very fine and fine platy structure; slightly hard, very friable, slightly sticky, nonplastic; fragments; neutral, pH 7.2, hellige-truog; abrupt wavy boundary. Lab sample # 40A28420
    B21T—11 to 19 centimeters (4.3 to 7.5 inches); brown (10YR 5/3) crushed and brown (10YR 4/3), brown (10YR 4/3) crushed and dark brown (10YR 3/3), moist; silty clay; strong fine and medium columnar parts to moderate fine and medium subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 0.5 very fine roots; 0.5 very fine pores; fragments; slightly alkaline, pH 7.5, hellige-truog; clear wavy boundary. Lab sample # 40A28421
    B22T—19 to 36 centimeters (7.5 to 14.2 inches); brown (10YR 5/3) crushed and brown (10YR 4/3), brown (10YR 4/3) crushed and dark brown (10YR 3/3), moist; silty clay; strong fine and medium prismatic parts to strong fine subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 0.5 very fine roots; 0.5 very fine pores; fragments; slightly alkaline, pH 7.8, hellige-truog; clear wavy boundary. Lab sample # 40A28422
    B31CA—36 to 56 centimeters (14.2 to 22.0 inches); light olive brown (2.5Y 5/3) crushed and grayish brown (2.5Y 5/2), olive brown (2.5Y 4/3) crushed and dark grayish brown (2.5Y 4/2), moist; silty clay; strong fine and medium prismatic parts to moderate fine and medium subangular blocky structure; extremely hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots; 0.5 very fine pores; 21 percent noncoherent cemented lime masses; fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 40A28423
    B32CS—56 to 90 centimeters (22.0 to 35.4 inches); gray (5Y 5/1) crushed and dark gray (5Y 4/1), dark gray (5Y 4/1) crushed and very dark gray (5Y 3/1), moist; silty clay; moderate medium prismatic parts to moderate medium and coarse subangular blocky structure; extremely hard, friable, moderately sticky, moderately plastic; 0.1 very fine roots; 0.1 very fine pores; 3 percent gypsum masses; fragments; slight effervescence; slightly alkaline, pH 7.4, hellige-truog; clear wavy boundary. Lab sample # 40A28424
    C1CACS—90 to 126 centimeters (35.4 to 49.6 inches); 75 percent light olive brown (2.5Y 5/3) silty clay; moderate medium prismatic parts to moderate medium and coarse subangular blocky structure; extremely hard, friable, moderately sticky, moderately plastic; 0.1 very fine roots; 0.1 very fine pores; fragments; slight effervescence; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 40A28425
    2C2CA—126 to 169 centimeters (49.6 to 66.5 inches); light olive brown (2.5Y 5/3), olive brown (2.5Y 4/3), moist; gravelly clay loam; very hard, friable, moderately sticky, moderately plastic; fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog; clear irregular boundary. Lab sample # 40A28426
    3C3—169 to 210 centimeters (66.5 to 82.7 inches); grayish brown (2.5Y 5/2), very dark grayish brown (2.5Y 3/2), moist; very gravelly loam; massive; slightly hard, very friable, slightly sticky, slightly plastic; 1 percent lime masses; fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 40A28427