IDENTIFIERS

  • Current Taxon Name (Soil Name): Driscoll
  • OSD
  • Series Extent
  • User Site ID: S2000WA063004
  • User Pedon ID: S2000WA063004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 01P0253
  • NCSS Pedon Lab Data NASIS Record ID - 13085
  • Print Date: 11/26/2024
  • 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: 47.5388870
  • Std. Longitude: -117.2180557
  • Datum: WGS84
  • Township: 24 N
  • Range: 44 E
  • Section: 34
  • PLSS Details: 20 feet south and 50 feet west of the northeast corner
  • Location Description: About .5 mile west of State Highway 27 on Palouse Highway, south of the road
  • Map Unit: 6140—Driscoll silt loam, 0 to 8 percent slopes
  • State: Washington
  • County: WA063—Spokane
  • MLRA: 9—Palouse and Nez Perce Prairies
  • Non-MLRA Soil Survey Area: WA063—Spokane County, Washington
  • 7.5 Minute USGS Quad: 47117-E2—Freeman, Washington
  • PEDON

  • Describers Name: Sue Murphy
  • Current Taxonomic Class: Fine, mixed, superactive, mesic Alfic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Driscoll
  • PSC - 48 to 98 cm.
  • Classificaton Date - 2/10/2012
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Driscoll
  • Classificaton Date - 9/27/2000
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: volcanic ash and/or loess over clayey loess
  • Landscape: upland
  • Landform: loess hill
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/27/2000 (actual site observation date)
  • Surface Water Kind: none observed
  • Plant Association Name: Ponderosa pine/Common snowberry H.T.
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 21
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—36

    48—165

    —36—

    —117—

    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

    3

    774

    280

    559

    100

    8

    9

    Ap1—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2) interior, very dark brown (10YR 2/2) crushed, moist; ashy silt loam; 16 percent clay; moderate fine granular structure; slightly hard, friable, nonsticky, slightly plastic; moderate permeability; low excavation difficulty; 3.0 very fine roots and 3.0 fine roots; 8.0 very fine low-continuity tubular and 8.0 fine low-continuity irregular pores; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary.; observed in pit, large or quarry
    Ap2—8 to 20 centimeters (3.1 to 7.9 inches); dark grayish brown (10YR 4/2) interior, black (10YR 2/1) crushed, moist; ashy silt loam; 20 percent clay; weak fine subangular blocky parts to moderate thin platy structure; hard, friable, slightly sticky, slightly plastic; moderate permeability; low excavation difficulty; 3.0 very fine roots and 3.0 fine roots; 3.0 very fine low-continuity tubular and 3.0 fine low-continuity irregular pores; fragments; slightly acid, pH 6.4, hellige-truog; clear wavy boundary.; observed in pit, large or quarry
    AB—20 to 36 centimeters (7.9 to 14.2 inches); grayish brown (10YR 5/2) interior, very dark grayish brown (10YR 3/2) crushed, moist; ashy silt loam; 20 percent clay; weak medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; moderate permeability; low excavation difficulty; 3.0 very fine roots and 3.0 fine roots; 3.0 very fine low-continuity tubular and 3.0 fine low-continuity irregular pores; fragments; slightly acid, pH 6.5, hellige-truog; abrupt wavy boundary.; observed in pit, large or quarry
    2BE—36 to 48 centimeters (14.2 to 18.9 inches); 70 percent yellowish brown (10YR 5/4) interior and 30 percent light yellowish brown (10YR 6/4) interior, brown (10YR 4/3) crushed, moist; clay loam; 30 percent clay; strong fine subangular blocky structure; hard, firm, slightly sticky, moderately plastic; moderate permeability; low excavation difficulty; 0.8 very fine roots throughout and 0.8 fine roots throughout; 3.0 very fine moderate-continuity tubular pores; 15 percent faint clay films on all faces of peds and 40 percent distinct pale brown (10YR 6/3), moist, skeletans on all faces of peds; 2 percent by volume moderately coherent cemented 2-3-5 millimeter gneiss fragments; neutral, pH 6.8, hellige-truog; abrupt wavy boundary.; observed in pit, large or quarry
    2Bt1—48 to 76 centimeters (18.9 to 29.9 inches); brown (7.5YR 5/4) interior, dark yellowish brown (10YR 3/4) crushed, moist; silty clay loam; 37 percent clay; strong coarse prismatic structure; rigid, slightly rigid, very sticky, very plastic; slow permeability; moderate excavation difficulty; 0.8 very fine roots throughout and 0.8 fine roots throughout; 3.0 very fine moderate-continuity tubular pores; 20 percent distinct skeletans on all faces of peds and 30 percent distinct clay films on all faces of peds; fragments; neutral, pH 6.9, hellige-truog; abrupt wavy boundary.; observed in pit, large or quarry
    3Bt2—76 to 114 centimeters (29.9 to 44.9 inches); yellowish brown (10YR 5/4) interior, dark yellowish brown (10YR 3/4) crushed, moist; silty clay loam; 39 percent clay; strong coarse prismatic structure; rigid, slightly rigid, very sticky, very plastic; slow permeability; moderate excavation difficulty; 0.8 very fine roots between peds; 0.8 very fine moderate-continuity tubular pores; 10 percent prominent very dark brown (10YR 2/2), moist, organoargillans on vertical faces of peds and 15 percent distinct skeletans on all faces of peds and 100 percent faint dark yellowish brown (10YR 4/6), moist, clay films on all faces of peds; 5 percent medium prominent irregular noncoherent cemented iron-manganese masses with clear boundaries on faces of peds and 5 percent medium prominent spherical moderately coherent cemented iron-manganese concretions with sharp boundaries in matrix; 5 percent by volume moderately coherent cemented 2-3-5 millimeter basalt fragments; neutral, pH 6.8, hellige-truog; clear wavy boundary.; observed in pit, large or quarry. Thin lens from 2 mm to 5 cm thick, with clean silt and very fine sand coats and stringers of fine gravel between prisms at the boundary of the 2Bt1 and 3Bt2 horizon
    4Bt3—114 to 152 centimeters (44.9 to 59.8 inches); light yellowish brown (10YR 6/4) interior, brown (10YR 4/3) crushed, moist; clay loam; 37 percent clay; strong coarse prismatic structure; extremely hard, extremely firm, very sticky, very plastic; slow permeability; moderate excavation difficulty; 0.8 very fine roots between peds; 0.8 very fine low-continuity tubular pores; 50 percent prominent very dark grayish brown (10YR 3/2), moist, organoargillans on vertical faces of peds and 60 percent distinct dark yellowish brown (10YR 4/6), moist, clay films on all faces of peds; 2 percent fine prominent spherical moderately coherent cemented iron-manganese concretions with sharp boundaries in matrix and 10 percent fine prominent irregular noncoherent cemented iron-manganese masses with clear boundaries on faces of peds; 2 percent by volume weakly coherent cemented 2-3-5 millimeter basalt fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary.; observed in pit, large or quarry. This horizon appears to be formed in interbed silts between basalt flows, not loess
    5Bt4—152 to 165 centimeters (59.8 to 65.0 inches); pale brown (10YR 6/3) interior, brown (10YR 4/3) crushed, moist; silty clay loam; 34 percent clay; moderate coarse prismatic structure; very hard, very firm, moderately sticky, moderately plastic; slow permeability; moderate excavation difficulty; 0.8 very fine roots between peds; 0.8 very fine low-continuity tubular pores; 40 percent distinct clay films on all faces of peds; fragments; neutral, pH 6.9, hellige-truog.; observed in pit, large or quarry