IDENTIFIERS

  • Current Taxon Name (Soil Name): Evanston
  • OSD
  • Series Extent
  • User Site ID: S1987MT101005
  • User Pedon ID: 87MT101005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 88P0353
  • NCSS Pedon Lab Data NASIS Record ID - 60471
  • Print Date: 5/19/2024

    • 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: 48.4416656
  • Std. Longitude: -111.9683304
  • Datum: WGS84
  • Township: 31N
  • Range: 3W
  • Section: 23
  • PLSS Details: 2750 feet E and 1150 feet S of NW corner
  • State: Montana
  • County: MT101—Toole
  • MLRA: 52—Brown Glaciated Plains

    • PEDON

  • Current Taxonomic Class: Fine-loamy, mixed, superactive Aridic Argiborolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Evanston
  • Classificaton Date - 7/11/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Evanston
  • Taxonomic Class - Fine-loamy, mixed Aridic Argiboroll
  • Taxon Kind - series
  • Classificaton Date - 12/1/1987
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: terrace—stream or lake
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/1/1987 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    —

    —

    1046

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1A—0 to 10 centimeters (0.0 to 3.9 inches); dark brown (10YR 3/3) interior, brown (10YR 5/3) interior, dry; very fine sandy loam; 17 percent clay; weak fine granular, and weak coarse platy structure; soft, friable, nonsticky, nonplastic; 0.5 very fine and fine roots; fragments; slightly alkaline, pH 7.6, hellige-truog; abrupt smooth boundary. Lab sample # 88P01782. few very fine and fine roots
    1Bt1—10 to 30 centimeters (3.9 to 11.8 inches); dark brown (10YR 3/3) interior, brown (10YR 5/3) interior, dry; sandy clay loam; 21 percent clay; moderate coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 0.5 very fine and fine discontinuous tubular pores; 15 percent faint clay films on faces of peds and in pores; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary. few clay films surface features on faces of peds and in pores; few very fine and fine roots
    1Bt2—30 to 61 centimeters (11.8 to 24.0 inches); brown (10YR 4/3) interior, brown (10YR 5/3) interior, dry; sandy clay loam; 21 percent clay; moderate medium and coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 15 percent faint clay films on faces of peds and in pores; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. few clay films surface features on faces of peds and in pores; few very fine and fine roots
    1Btk—61 to 89 centimeters (24.0 to 35.0 inches); brown (10YR 4/3) interior, brown (10YR 5/3) interior, dry; sandy clay loam; 21 percent clay; moderate coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 15 percent faint clay films on faces of peds and in pores; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; gradual wavy boundary. few clay films surface features on faces of peds and in pores; few very fine and fine roots
    1BC—89 to 152 centimeters (35.0 to 59.8 inches); brown (10YR 5/3) interior, pale brown (10YR 6/3) interior, dry; sandy clay loam; 23 percent clay; moderate coarse subangular blocky structure; hard, friable, slightly sticky, slightly plastic; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.6, hellige-truog.