IDENTIFIERS

  • Current Taxon Name (Soil Name): Avonville
  • OSD
  • Series Extent
  • User Site ID: S2013ID055006
  • User Pedon ID: S2013ID055006
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 14N0094
  • NCSS Pedon Lab Data NASIS Record ID - 74423
  • Print Date: 1/30/2025

    • 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: 47.7944444
  • Std. Longitude: -116.8186111
  • Datum: WGS84
  • Township: 51N
  • Range: 4W
  • Section: 3
  • PLSS Details: 2,125 feet north and 2,520 feet west of southeast corner
  • Location Description: about 1.3 miles north of Coeur d'Alene airport.
  • Map Unit: 103—Avonville fine gravelly silt loam, 0 to 7 percent slopes
  • County: ID055—Kootenai
  • MLRA: 44A—Northern Rocky Mountain Valleys
  • Non-MLRA Soil Survey Area: ID606—Kootenai County Area, Idaho
  • 7.5 Minute USGS Quad: 47116-G7—Hayden, Idaho

    • PEDON

  • Describers Name: Allyson Young
  • Current Taxonomic Class: Medial over loamy-skeletal, amorphic over isotic, frigid Alfic Humic Haploxerands
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Avonville
  • PSC - 0 to 100 cm.
  • Classificaton Date - 12/4/2014
  • Classifier - Brian Gardner
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash and/or noncalcareous loess over glacial outwash
  • Landscape: valley
  • Landform: outwash plain
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/11/2013 (actual site observation date)
  • Data Collector: Allyson Young
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    andic soil properties

    umbric epipedon

    mollic epipedon

    lithologic discontinuity

    argillic horizon

    0—52

    0—14

    14—52

    52—

    52—76

    —-

    —-

    —-

    —-

    —-
    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

    2

    —

    —

    700

    —

    115

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 14 centimeters (0.0 to 5.5 inches); very dark grayish brown (10YR 3/2) broken face, very dark brown (10YR 2/2) broken face, moist; gravelly ashy silt loam; 6 percent clay; moderate fine granular, and moderate medium granular structure; soft, very friable, nonsticky, nonplastic; many very fine roots throughout and many fine roots throughout; 18 percent by volume nonflat subangular indurated 2-20-75 millimeter mixed fragments observed by visual inspection method; abrupt wavy boundary. Lab sample # 14N00308; observed in trench. 1 compliant cavity collected. no bulk density clods.
    Ap2—14 to 31 centimeters (5.5 to 12.2 inches); very dark grayish brown (10YR 3/2) broken face, very dark brown (10YR 2/2) broken face, moist; gravelly ashy silt loam; 9 percent clay; moderate thick platy parts to moderate medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; many very fine roots throughout and many fine roots throughout; 2 percent by volume nonflat subrounded indurated 75-150-250 millimeter mixed fragments observed by visual inspection method and 25 percent by volume nonflat subangular indurated 2-20-75 millimeter mixed fragments observed by visual inspection method; clear wavy boundary. Lab sample # 14N00309; observed in trench. 3 bulk density clods collected
    Bw—31 to 52 centimeters (12.2 to 20.5 inches); dark grayish brown (10YR 4/2) broken face, very dark brown (10YR 2/2) broken face, moist; very gravelly ashy silt loam; 8 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; common very fine roots throughout and common fine roots throughout; 10 percent by volume nonflat subrounded indurated 75-150-250 millimeter mixed fragments observed by visual inspection method and 30 percent by volume nonflat subangular indurated 2-20-75 millimeter mixed fragments observed by visual inspection method; clear irregular boundary. Lab sample # 14N00310; observed in trench. 3 bulk density clods collected
    2Bt—52 to 76 centimeters (20.5 to 29.9 inches); yellowish brown (10YR 5/4) broken face, dark yellowish brown (10YR 3/4) broken face, moist; very gravelly loam; 21 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; few very fine roots throughout and few fine roots throughout; 5 percent faint clay films on all faces of peds; 10 percent by volume nonflat subrounded indurated 75-150-250 millimeter mixed fragments observed by visual inspection method and 40 percent by volume nonflat subangular indurated 2-20-75 millimeter mixed fragments observed by visual inspection method; gradual wavy boundary. Lab sample # 14N00311; observed in trench. 3 bulk density clods collected
    2BC—76 to 95 centimeters (29.9 to 37.4 inches); light yellowish brown (10YR 6/4) broken face, dark yellowish brown (10YR 4/4) broken face, moist; extremely gravelly loam; 18 percent clay; weak very fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; few very fine roots throughout; 3 percent faint clay films between sand grains and 3 percent faint clay films on all faces of peds; 25 percent by volume nonflat subrounded indurated 75-150-250 millimeter mixed fragments observed by visual inspection method and 50 percent by volume nonflat subangular indurated 2-20-75 millimeter mixed fragments observed by visual inspection method; gradual wavy boundary. Lab sample # 14N00312; observed in trench. bulk sample collected. no bulk density collected.
    2C1—95 to 125 centimeters (37.4 to 49.2 inches); pale brown (10YR 6/3), yellowish brown (10YR 5/4), moist; extremely cobbly coarse sandy loam; 11 percent clay; massive; slightly hard, friable, nonsticky, nonplastic; few very fine roots throughout; 30 percent by volume nonflat subrounded indurated 75-150-250 millimeter mixed fragments observed by visual inspection method and 45 percent by volume nonflat subangular indurated 2-20-75 millimeter mixed fragments observed by visual inspection method; gradual wavy boundary. Lab sample # 14N00313; observed in trench. bulk sample collected. no bulk density collected.
    2C2—125 to 140 centimeters (49.2 to 55.1 inches); very pale brown (10YR 7/3), brown (10YR 5/3), moist; extremely gravelly loamy coarse sand; 8 percent clay; massive; slightly hard, friable, nonsticky, nonplastic; 20 percent by volume nonflat subrounded indurated 75-150-250 millimeter mixed fragments observed by visual inspection method and 55 percent by volume nonflat subangular indurated 2-20-75 millimeter mixed fragments observed by visual inspection method.; observed in trench. not sampled