IDENTIFIERS

  • Current Taxon Name (Soil Name): HARLEM
  • OSD
  • Series Extent
  • User Site ID: S1950MT085007
  • User Pedon ID: S1950MT085007
  • Vegetation Plot ID: S1950MT085007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3527
  • NCSS Pedon Lab Data NASIS Record ID - 39192
  • Print Date: 4/25/2025

    • 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: 48.0591125
  • Std. Longitude: -105.7373505
  • Datum: WGS84
  • Township: 27N
  • Range: 46E
  • Section: 35
  • PLSS Details: 150 feet southwest of northeast corner
  • State: Montana
  • County: MT085—Roosevelt
  • MLRA: 52—Brown Glaciated Plains
  • Non-MLRA Soil Survey Area: MT661—Roosevelt and Daniels Counties, Montana

    • PEDON

  • Describers Name: A. J. Cline
  • Current Taxonomic Class: Fine, montmorillonitic (calcareous), frigid Ustic Torrifluvents
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - HARLEM
  • Classificaton Date - 7/16/2007
  • Sampled As Information:
  • Soil Name - MARIAS
  • Classificaton Date - 6/6/1950
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/6/1950 (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
  • Site Erosion Accelerated: wind erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PASM

    Pascopyrum smithii

    western wheatgrass

    —

    —

    —
    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

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 15 centimeters (0.0 to 5.9 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; silt loam; subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; fragments; strong effervescence. Lab sample # 40A27224
    B2—15 to 36 centimeters (5.9 to 14.2 inches);, dark grayish brown (2.5Y 4/2), moist; clay; moderate subangular blocky structure; hard when dry, firm, moderately sticky, moderately plastic; fragments; strong effervescence. Lab sample # 40A27225
    B2SA—36 to 69 centimeters (14.2 to 27.2 inches);, very dark grayish brown (2.5Y 3/2), moist; silty clay; strong subangular blocky structure; hard when dry, firm, moderately sticky, moderately plastic; 21 percent gypsum threads; fragments; strong effervescence. Lab sample # 40A27226
    C1SA—69 to 112 centimeters (27.2 to 44.1 inches);, very dark gray (2.5Y 3/1), moist; clay; weak subangular blocky, and platy structure; hard when dry, friable, moderately sticky, moderately plastic; gypsum threads; fragments; strong effervescence. Lab sample # 40A27227
    C2CS—112 to 127 centimeters (44.1 to 50.0 inches);, grayish brown (2.5Y 5/2), moist; clay, silt loam; massive; hard when dry, friable, moderately sticky, moderately plastic; 21 percent gypsum crystals, unspecified; fragments; strong effervescence. Lab sample # 40A27228
    C3GCS—127 to 152 centimeters (50.0 to 59.8 inches);, light olive brown (2.5Y 5/4), moist; clay; 21 percent dark gray (5Y 4/1) mottles; massive; very hard, firm, moderately sticky, moderately plastic; 21 percent gypsum crystals, unspecified; fragments; strong effervescence. Lab sample # 40A27229