IDENTIFIERS

  • Current Taxon Name (Soil Name): Gerdrum
  • OSD
  • Series Extent
  • User Site ID: S1966MT103001
  • User Pedon ID: S1966MT103001
  • Vegetation Plot ID: S1966MT103001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3645
  • NCSS Pedon Lab Data NASIS Record ID - 39310
  • 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: 46.3369446
  • Std. Longitude: -107.2888870
  • Datum: WGS84
  • Township: 7N
  • Range: 35E
  • Section: 24
  • PLSS Details: About 0.1 mile east of S1/4 corner
  • State: Montana
  • County: MT103—Treasure
  • MLRA: 58A—Northern Rolling High Plains, Northern Part
  • Non-MLRA Soil Survey Area: MT103—Treasure County, Montana

    • PEDON

  • Describers Name: R. L. Moshier
  • Current Taxonomic Class: Fine, smectitic, frigid Borollic Natrargids
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Gerdrum
  • PSC - 10 to 38 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Gilt
  • Classificaton Date - 7/13/1966
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: valley
  • Drainage Class: well
  • Surface Fragments: 1.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/13/1966 (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

    ARTEM

    BOGR2

    OPUNT

    PASM

    Artemisia

    Bouteloua gracilis

    Opuntia

    Pascopyrum smithii

    sagebrush

    blue grama

    pricklypear

    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

    2

    —

    —

    869

    —

    270

    279

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    —

    7.8

    17.8

    -5

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    A2—0 to 10 centimeters (0.0 to 3.9 inches); very pale brown (10YR 7/3), dark grayish brown (10YR 4/2), moist; loam; moderate very fine granular parts to moderate fine and medium platy structure; soft, very friable, slightly sticky, slightly plastic; 21.0 fine pores; fragments; noneffervescent; abrupt boundary. Lab sample # 40A28069
    B21T—10 to 20 centimeters (3.9 to 7.9 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; silty clay; strong fine and medium columnar structure; extremely hard, very firm, moderately sticky, very plastic; 0.5 fine pores; fragments; noneffervescent; clear boundary. Lab sample # 40A28070
    B22T—20 to 38 centimeters (7.9 to 15.0 inches); light brownish gray (2.5Y 6/2), dark grayish brown (2.5Y 4/2), moist; silty clay; moderate medium prismatic parts to strong fine and medium subangular blocky structure; extremely hard, very firm, moderately sticky, very plastic; 0.5 roots; 3.0 fine pores; fragments; noneffervescent; clear wavy boundary. Lab sample # 40A28071
    B3—38 to 56 centimeters (15.0 to 22.0 inches); light brownish gray (2.5Y 6/2), dark grayish brown (2.5Y 4/2), moist; silty clay; weak medium and coarse subangular blocky structure; extremely hard, firm, moderately sticky, very plastic; 0.5 roots; 1 percent carbonate threads; fragments; strong effervescence; clear wavy boundary. Lab sample # 40A28072
    C1CS—56 to 74 centimeters (22.0 to 29.1 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; silty clay; massive; extremely hard, firm, moderately sticky, very plastic; 0.5 roots; 1 percent prominent organic stains; 3 percent gypsum crystals, unspecified; fragments; slight effervescence; gradual boundary. Lab sample # 40A28073
    C2—74 to 89 centimeters (29.1 to 35.0 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; silty clay loam; massive; very hard, friable, moderately sticky, moderately plastic; 0.5 roots; 0.5 medium pores; 1 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; clear wavy boundary. Lab sample # 40A28074
    2C3—89 to 112 centimeters (35.0 to 44.1 inches); light brownish gray (2.5Y 6/2), grayish brown (2.5Y 5/2), moist; gravelly loamy coarse sand; single grain; fragments; noneffervescent; gradual wavy boundary. Lab sample # 40A28075
    3C4—112 to 165 centimeters (44.1 to 65.0 inches); fragments; noneffervescent. Lab sample # 40A28076
    152 to 183 centimeters (59.8 to 72.0 inches); fragments. Lab sample # 40A28077