IDENTIFIERS

  • Current Taxon Name (Soil Name): HARLEM
  • OSD
  • Series Extent
  • User Site ID: S1974MT105001
  • User Pedon ID: S1974MT105001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3733
  • NCSS Pedon Lab Data NASIS Record ID - 39398
  • Print Date: 2/16/2025

    • 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: 48.1488304
  • Std. Longitude: -106.5951614
  • Datum: WGS84
  • Township: 28N
  • Range: 40E
  • Section: 29
  • PLSS Details: 800 feet north and 800 feet west of SW corner
  • State: Montana
  • County: MT105—Valley
  • MLRA: 52—Brown Glaciated Plains
  • Non-MLRA Soil Survey Area: MT105—Valley County, Montana
  • 7.5 Minute USGS Quad: 48106-B5—Whately, Montana

    • PEDON

  • Current Taxonomic Class: Fine, montmorillonitic (calcareous), frigid Ustic Torrifluvents
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - HARLEM
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/1/2010
  • Sampled As Information:
  • Soil Name - Harlem
  • Classificaton Date - 9/1/1974
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: flood plain
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1974 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    —

    —

    630

    —

    330

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    AP—0 to 15 centimeters (0.0 to 5.9 inches); gray (5Y 6/1), dark grayish brown (2.5Y 4/2), moist; silty clay; weak medium angular blocky parts to moderate fine granular structure; very hard, firm, moderately sticky, moderately plastic; 3.0 fine roots; 3.0 fine tubular pores; 10 percent faint very dark grayish brown (10YR 3/2), moist, organic stains on faces of peds; fragments; noneffervescent; slightly alkaline, pH 7.8, hellige-truog; clear smooth boundary. Lab sample # 40A28765
    C1—15 to 31 centimeters (5.9 to 12.2 inches); light brownish gray (2.5Y 6/2), dark grayish brown (2.5Y 4/2) crushed, moist; silty clay; weak medium and coarse angular blocky parts to weak fine granular structure; very hard, firm, moderately sticky, moderately plastic; 3.0 fine roots; 3.0 fine tubular pores; fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 40A28766
    C2—31 to 46 centimeters (12.2 to 18.1 inches); gray (5Y 6/1), very dark grayish brown (2.5Y 3/2) crushed and dark grayish brown (2.5Y 4/2) exterior, moist; silty clay; weak medium and coarse angular blocky parts to weak fine granular structure; very hard, firm, moderately sticky, moderately plastic; 3.0 fine roots; 3.0 fine tubular pores; 10 percent distinct pressure faces on faces of peds; fragments; strong effervescence; moderately alkaline, pH 8.4, hellige-truog; gradual smooth boundary. Lab sample # 40A28767
    C3CS—46 to 91 centimeters (18.1 to 35.8 inches); gray (5Y 5/1), very dark grayish brown (2.5Y 3/2) crushed and dark grayish brown (2.5Y 4/2) exterior, moist; silty clay; weak fine and medium angular blocky structure; very hard, firm, moderately sticky, moderately plastic; 3.0 fine roots; 3.0 fine tubular pores; 10 percent distinct pressure faces on faces of peds; 3 percent fine noncoherent cemented gypsum crystals, unspecified and 1 percent fine lime masses; fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 40A28768
    C4CS—91 to 129 centimeters (35.8 to 50.8 inches); light brownish gray (2.5Y 6/2), very dark grayish brown (2.5Y 3/2) and dark grayish brown (2.5Y 4/2), moist; stratified silty clay loam to silty clay; weak fine platy structure; very hard, firm, moderately sticky, moderately plastic; 3.0 fine roots; 3.0 fine tubular pores; 1 percent fine noncoherent cemented gypsum crystals, unspecified and 1 percent fine lime masses; fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary. Lab sample # 40A28769
    C5—129 to 153 centimeters (50.8 to 60.2 inches); gray (5Y 6/1), very dark grayish brown (2.5Y 3/2) exterior and dark grayish brown (2.5Y 4/2) crushed, moist; silty clay; weak fine granular structure; hard when dry, firm, moderately sticky, moderately plastic; 0.5 fine roots; 0.5 fine tubular pores; 1 percent fine gypsum crystals, unspecified; fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 40A28770
    C6—153 to 182 centimeters (60.2 to 71.7 inches); light brownish gray (2.5Y 6/2), dark grayish brown (2.5Y 4/2), moist; silty clay loam; massive; hard when dry, firm, moderately sticky, moderately plastic; 0.5 fine roots; 0.5 fine tubular pores; fragments; strong effervescence; slightly alkaline, pH 7.8, hellige-truog. Lab sample # 40A28771