IDENTIFIERS

  • Current Taxon Name (Soil Name): Seddow
  • OSD
  • Series Extent
  • User Site ID: S1991ID069200
  • User Pedon ID: 91ID069200
  • Vegetation Plot ID: S1991ID069200
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P1100
  • NCSS Pedon Lab Data NASIS Record ID - 64136
  • Print Date: 11/12/2024

    • 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: 46.1669426
  • Std. Longitude: -116.7286148
  • Datum: WGS84
  • Township: 33N
  • Range: 3W
  • Section: 29
  • PLSS Details: 550 feet N and 1550 feet W of SE corner
  • Location Description: Hand-dug pit to 48" and on LOID land E of reservoir.
  • State: Idaho
  • County: ID069—Nez Perce
  • MLRA: 43—Northern Rocky Mountains
  • Non-MLRA Soil Survey Area: ID611—Lewis and Nez Perce Counties, Idaho

    • PEDON

  • Describers Name: T. Hahn
  • Current Taxonomic Class: Fine-loamy, mixed, frigid Vitrandic Haploxeralfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 200
  • Correlated Information:
  • Soil Name - Seddow
  • PSC - 33 to 83 cm.
  • Classificaton Date - 1/27/2010
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Seddow
  • Taxonomic Class - Fine-loamy, mixed, frigid Vitrandic Haploxeralf
  • Taxon Kind - series
  • Classificaton Date - 7/31/1991
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: plateau
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: with 10 to <45
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/31/1991 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • 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

    ARNIC

    CAREX

    LAOC

    THALI2

    Arnica

    Carex

    Larix occidentalis

    Thalictrum

    arnica

    sedge

    western larch

    meadow-rue

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    lithic contact

    0—10

    33—74

    122—0

    —-

    —-

    —-
    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

    9

    —

    —

    1417

    —

    280

    711

    —

    —

    —

    —

    —

    7.2

    10

    2.2

    —

    —

    —

    —

    —
    O—0 to 3 centimeters (0.0 to 1.2 inches); fragments. Moss and needles. Not sampled.
    A—3 to 13 centimeters (1.2 to 5.1 inches); brown (10YR 4/3) crushed, very dark grayish brown (10YR 3/2) crushed, moist; silt loam; 16 percent clay; moderate fine and medium granular structure; soft, friable, slightly sticky, slightly plastic; 21.0 very fine and fine roots throughout; 21.0 very fine and fine interstitial and tubular pores; 2 percent by volume subangular 2-39-75 millimeter basalt fragments; slightly acid, pH 6.2, chlorophenol red; clear smooth boundary. Lab sample # 91P07202; moist when described;. Influenced by wood ash and charcoal.
    EB—13 to 23 centimeters (5.1 to 9.1 inches); yellowish brown (10YR 5/4) crushed, brown (10YR 4/3) exterior, moist; silt loam; 20 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; 3.0 fine and medium roots throughout and 0.5 coarse roots throughout; 3.0 very fine and fine tubular pores; 4 percent by volume subangular 2-39-75 millimeter basalt fragments; moderately acid, pH 5.8, chlorophenol red; clear wavy boundary. Lab sample # 91P07203; moist when described;
    BE—23 to 36 centimeters (9.1 to 14.2 inches); light yellowish brown (10YR 6/4) crushed, dark yellowish brown (10YR 3/4) exterior, moist; silt loam; 24 percent clay; moderate medium subangular blocky structure; friable, slightly sticky, moderately plastic; 3.0 fine and medium roots throughout and 0.5 coarse roots throughout; 3.0 very fine and fine tubular pores; 5 percent by volume subangular 2-39-75 millimeter basalt fragments; moderately acid, pH 5.6, chlorophenol red; clear wavy boundary. Lab sample # 91P07204; moist when described;
    2Bt1—36 to 56 centimeters (14.2 to 22.0 inches); light yellowish brown (10YR 6/4) exterior, dark yellowish brown (10YR 3/4) exterior and dark yellowish brown (10YR 4/4) crushed, moist; silty clay loam; 30 percent clay; moderate medium and coarse subangular blocky parts to strong fine angular blocky structure; hard, friable, moderately sticky, moderately plastic; 3.0 fine and medium roots throughout and 0.5 coarse roots throughout; 0.5 very fine and fine tubular pores; faint dark yellowish brown (10YR 4/4) clay films on faces of peds and 75 percent prominent pale brown (10YR 6/3) skeletans on faces of peds; 5 percent by volume subangular 2-39-75 millimeter basalt fragments; moderately acid, pH 5.6, chlorophenol red; clear wavy boundary. Lab sample # 91P07205; moist when described;. discontinuous - phpvsfiid 177425; discontinuous - phpvsfiid 177426; discontinuous - phpvsfiid 177425; discontinuous - phpvsfiid 177426
    3Bt2—56 to 77 centimeters (22.0 to 30.3 inches); dark yellowish brown (10YR 4/4) exterior and yellowish brown (10YR 5/6) crushed, dark yellowish brown (10YR 4/4) crushed and dark yellowish brown (10YR 3/4) exterior, moist; gravelly clay loam; 37 percent clay; moderate medium subangular blocky parts to strong fine angular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 fine and medium roots throughout; 0.5 very fine and fine tubular pores; 10 percent prominent pale brown (10YR 6/3) skeletans on faces of peds and 75 percent distinct dark yellowish brown (10YR 4/4) clay films on faces of peds; 10 percent by volume subangular 75-162-250 millimeter basalt fragments and 20 percent by volume subangular 2-39-75 millimeter basalt fragments; moderately acid, pH 5.8, chlorophenol red; clear wavy boundary. Lab sample # 91P07206; moist when described;. continuous - phpvsfiid 177427; patchy - phpvsfiid 177428; continuous - phpvsfiid 177427; patchy - phpvsfiid 177428
    3Bt3—77 to 125 centimeters (30.3 to 49.2 inches); dark yellowish brown (10YR 4/4) exterior and yellowish brown (10YR 5/6) crushed, dark yellowish brown (10YR 4/4) crushed, moist; extremely cobbly clay loam; 36 percent clay; weak fine and medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 fine roots around fragments; 30 percent distinct dark yellowish brown (10YR 4/4) clay films on faces of peds; 30 percent by volume subangular 2-39-75 millimeter basalt fragments and 40 percent by volume subangular 75-162-250 millimeter basalt fragments; moderately acid, pH 5.8, chlorophenol red. Lab sample # 91P07207; moist when described;. discontinuous - phpvsfiid 177429; discontinuous - phpvsfiid 177429