IDENTIFIERS

  • Current Taxon Name (Soil Name): Orinoco
  • OSD
  • Series Extent
  • User Site ID: S1979MT087544
  • User Pedon ID: 79MT087544
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 83P0719
  • NCSS Pedon Lab Data NASIS Record ID - 53506
  • Print Date: 11/11/2024

    • 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: 46.7333336
  • Std. Longitude: -106.9627762
  • Datum: WGS84
  • Township: 11N
  • Range: 38E
  • Section: 5
  • PLSS Details: 1200 feet W and 1300 feet N of the SE corner
  • Location Description: Rosebud County, Montana.
  • State: Montana
  • County: MT087—Rosebud

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, calcareous, frigid Ustic Torriorthents
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 544
  • Correlated Information:
  • Soil Name - Orinoco
  • Classificaton Date - 2/1/2010
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Orinoco
  • Taxonomic Class - Fine, montmorillonitic (calcareous), frigid Ustic
  • Taxon Kind - series
  • Classificaton Date - 7/1/1979
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1979 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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

    18

    —

    —

    976

    —

    30

    —

    —

    6

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1A—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (2.5Y 4/2) interior, grayish brown (2.5Y 5/2) interior, dry; silty clay loam; moderate fine granular structure; soft, very friable, slightly sticky, slightly plastic; 2.5 very fine roots; 5.5 very fine tubular pores; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6, hellige-truog; abrupt smooth boundary. Lab sample # 83P03555. common very fine roots
    1Bw—10 to 18 centimeters (3.9 to 7.1 inches); dark grayish brown (2.5Y 4/2) interior, grayish brown (2.5Y 5/2) interior, dry; silty clay loam; moderate medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 2.5 very fine roots; 0.5 very fine tubular pores; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.8, hellige-truog; clear smooth boundary. Lab sample # 83P03556. common very fine roots
    1Bky—18 to 43 centimeters (7.1 to 16.9 inches); dark gray (10YR 4/1) interior, gray (10YR 5/1) interior, dry; silty clay loam; moderate medium prismatic structure; hard, friable, moderately sticky, moderately plastic; 2.5 very fine roots; 0.5 very fine interstitial pores; 1 percent fine lime masses and 1 percent fine gypsum masses; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; gradual smooth boundary. Lab sample # 83P03556. few fine soft masses of lime concentrations; few fine masses of gypsum concentrations; common very fine roots
    1BC—43 to 79 centimeters (16.9 to 31.1 inches); dark gray (10YR 4/1) interior, gray (10YR 5/1) interior, dry; silty clay loam; massive; hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots; 0.5 very fine interstitial pores; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.4, hellige-truog; clear smooth boundary. Lab sample # 83P03558. Common yellow (5Y 8/6) bands of iron sulfide.; few very fine roots
    1Cr—79 to 152 centimeters (31.1 to 59.8 inches); dark gray (10YR 4/1) interior, gray (10YR 5/1) interior, dry; weathered bedrock; fragments; neutral, pH 6.8, hellige-truog. Not sampled. Texture is consolidated shale.