IDENTIFIERS

  • Current Taxon Name (Soil Name): Combest
  • OSD
  • Series Extent
  • User Site ID: S1991MT089004
  • User Pedon ID: 91MT089004
  • Vegetation Plot ID: S1991MT089004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0882
  • NCSS Pedon Lab Data NASIS Record ID - 63920
  • 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: 47.4605560
  • Std. Longitude: -115.0338898
  • Datum: WGS84
  • Township: 20N
  • Range: 27W
  • Section: 28
  • PLSS Details: 1800 feet N and 800 feet W of the SE corner
  • Location Description: West Fork Swamp Creek.
  • State: Montana
  • County: MT089—Sanders

    • PEDON

  • Current Taxonomic Class: Loamy-skeletal, mixed, superactive, frigid Andic Ustochrepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Combest
  • Classificaton Date - 11/30/2007
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Combest
  • Taxonomic Class - Loamy-skeletal, mixed, frigid Andic Ustochrept
  • Taxon Kind - series
  • Classificaton Date - 7/1/1991
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1991 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PIPO

    PSME

    Pinus ponderosa

    Pseudotsuga menziesii

    ponderosa pine

    Douglas-fir

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    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

    57

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    —

    1097

    —

    270

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    O—0 to 5 centimeters (0.0 to 2.0 inches); fragments. Lab sample # 91P05371. forest litter
    A—5 to 10 centimeters (2.0 to 3.9 inches); very dark brown (10YR 2/2), very dark grayish brown (10YR 3/2), dry; gravelly silt loam; weak fine granular structure; soft, very friable, nonsticky, slightly plastic; 5.5 very fine and fine roots and 5.5 medium and coarse roots; 20 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.4, hellige-truog; clear smooth boundary. Lab sample # 91P05370. many very fine and fine roots; many medium and coarse roots
    Bs—10 to 28 centimeters (3.9 to 11.0 inches); dark yellowish brown (10YR 4/4), light yellowish brown (10YR 6/4), dry; gravelly silt loam; weak fine granular structure; soft, very friable, nonsticky, slightly plastic; 5.5 very fine and fine roots and 0.5 medium and coarse roots; 30 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.4, hellige-truog; clear wavy boundary. Lab sample # 91P05371. few medium and coarse roots; many very fine and fine roots
    2E—28 to 66 centimeters (11.0 to 26.0 inches); grayish brown (10YR 5/2), light gray (10YR 7/2), dry; very gravelly sandy loam; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 2.5 very fine and fine roots and 0.5 medium and coarse roots; 15 percent by volume 75-162-250 millimeter unspecified fragments and 40 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.2, hellige-truog; gradual wavy boundary. Lab sample # 91P05372. few medium and coarse roots; common very fine and fine roots
    2E/Bw—66 to 157 centimeters (26.0 to 61.8 inches); grayish brown (10YR 5/2), 20 percent pale brown (10YR 6/3) and 80 percent light gray (10YR 7/2), dry; extremely cobbly sandy loam; massive; soft, very friable, nonsticky, nonplastic; 0.5 very fine and fine roots and 0.5 medium roots; 25 percent by volume 75-162-250 millimeter unspecified fragments and 40 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 6.0, hellige-truog. Lab sample # 91P05373. few very fine and fine roots; few medium roots