IDENTIFIERS

  • Current Taxon Name (Soil Name): Grassvalley
  • OSD
  • Series Extent
  • User Site ID: S1990MT063002
  • User Pedon ID: 90MT063002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 90P0472
  • NCSS Pedon Lab Data NASIS Record ID - 62405
  • Print Date: 11/21/2024
  • 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: 46.9040489
  • Std. Longitude: -114.0973434
  • Datum: WGS84
  • Township: 13N
  • Range: 20W
  • Section: 11
  • PLSS Details: 1800 feet E and 600 feet S of NW corner
  • State: Montana
  • County: MT063—Missoula
  • PEDON

  • Current Taxonomic Class: Fine, illitic, frigid Typic Haploxeralfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Grassvalley
  • Classificaton Date - 7/11/2007
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Grassvalley
  • Taxonomic Class - Fine, illitic, frigid Typic Haploxeralf
  • Taxon Kind - series
  • Classificaton Date - 12/1/1990
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Geomorphic Component Hills: side slope
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/1/1990 (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

    4

    960

    225

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); pinkish gray (7.5YR 6/2), brown (7.5YR 4/2), moist; silty clay loam; moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots; fragments; slight effervescence; abrupt smooth boundary. Lab sample # 90P02609. few very fine and fine roots
    Bt—18 to 38 centimeters (7.1 to 15.0 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; silty clay; moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots; 37 percent distinct clay films on faces of peds; fragments; slight effervescence; gradual smooth boundary. Lab sample # 90P02610. common clay films surface features on faces of peds; few very fine and fine roots
    C1—38 to 76 centimeters (15.0 to 29.9 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; silty clay; slightly hard, firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots; fragments; strong effervescence; clear smooth boundary. Lab sample # 90P02611. few very fine and fine roots
    C2—76 to 152 centimeters (29.9 to 59.8 inches); pinkish gray (7.5YR 6/2), brown (7.5YR 5/4), moist; silty clay; slightly hard, firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots; fragments; strong effervescence. Lab sample # 90P02612. few very fine and fine roots