IDENTIFIERS

  • Current Taxon Name (Soil Name): Fawnspring
  • OSD
  • Series Extent
  • User Site ID: S2003OR023007
  • User Pedon ID: S2003OR023007
  • Vegetation Plot ID: S2003OR023007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 04N0423
  • NCSS Pedon Lab Data NASIS Record ID - 16478
  • Print Date: 11/24/2024
  • 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: 44.9281387
  • Std. Longitude: -119.4940796
  • Datum: WGS84
  • Township: 7 S.
  • Range: 27 E.
  • Section: 28
  • PLSS Details: 800 feet north and 400 feet west of the SE corner
  • Location Description: North slope near the junction of Big Wall Creek and Indian Creek located north of the town of Monument
  • State: Oregon
  • County: OR023—Grant
  • MLRA: 43—Northern Rocky Mountains
  • Regional Office: 1—Portland, OR
  • Non-MLRA Soil Survey Area: OR627—Grant County Area, Oregon
  • 7.5 Minute USGS Quad: 44119-H4—Johnny Cake Mountain, Oregon
  • PEDON

  • Describers Name: Stan Winther
  • Current Taxonomic Class: Fine, smectitic, mesic Vitrandic Palexerolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Windows Pedon
  • Pedon #: 7
  • Sampled As Information:
  • Soil Name - Fawnspring
  • Taxonomic Class - Fine, smectitic, mesic Vitrandic Palexerolls
  • PSC - 36 to 99 cm.
  • Classificaton Date - 10/27/2003
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - xeric
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: volcanic ash over clayey colluvium derived from basalt
  • Landscape: hills
  • Landform: hillslope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: indurated basalt
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/27/2003 (actual site observation date)
  • Air Photo ID: 7098-236
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PSME

    SYMPH

    Pseudotsuga menziesii

    Symphoricarpos

    Douglas-fir

    snowberry

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

    mollic epipedon

    abrupt textural change

    argillic horizon

    secondary carbonates

    8—81

    33—36

    36—99

    99—160

    —73—

    —3—

    —63—

    —61—

    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    10/27/2003

    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

    55

    807.7

    20

    457

    105

    8.3

    Oi—0 to 8 centimeters (0.0 to 3.1 inches); moderately decomposed plant material; fragments; clear smooth boundary.; slightly moist when described; observed in cut
    A—8 to 36 centimeters (3.1 to 14.2 inches); brown (10YR 4/3) exterior, very dark grayish brown (10YR 3/2) exterior, moist; gravelly ashy clay loam; 30 percent clay; moderate fine granular, and moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; moderately slow permeability; 4.0 very fine roots throughout and 0.5 medium roots throughout and 0.5 fine roots throughout; 4.0 very fine tubular and 0.5 fine tubular pores; fragments; noneffervescent, by hcl, 1n; neutral, pH 7.2, phenol red; gradual smooth boundary. Lab sample # 04N02581; slightly moist when described; observed in cut
    Bt1—36 to 81 centimeters (14.2 to 31.9 inches); brown (10YR 4/3) exterior, dark brown (10YR 3/3) exterior, moist; clay; 45 percent clay; weak medium prismatic structure; very hard, very firm, moderately sticky, very plastic; very slow permeability; 4.0 very fine roots throughout and 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 4.0 very fine tubular and 0.5 medium tubular and 0.5 fine tubular pores; 70 percent distinct clay films on all faces of peds; 5 percent by volume nonflat subangular indurated 2-?-75 millimeter basalt fragments; slightly alkaline, pH 7.4, phenol red; gradual wavy boundary. Lab sample # 04N02582; dry when described; observed in cut
    Bt2—81 to 99 centimeters (31.9 to 39.0 inches); yellowish brown (10YR 5/4) exterior, brown (10YR 4/3) exterior, moist; clay; 42 percent clay; moderate medium and coarse subangular blocky structure; hard, firm, moderately sticky, very plastic; slow permeability; 0.5 very fine roots throughout and 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; 70 percent faint clay films on all faces of peds; ; 10 percent by volume nonflat subangular indurated 2-?-75 millimeter basalt fragments; slightly alkaline, pH 7.6, phenol red; clear smooth boundary. Lab sample # 04N02583; dry when described; observed in cut
    Bk1—99 to 137 centimeters (39.0 to 53.9 inches); light yellowish brown (10YR 6/4) exterior, dark yellowish brown (10YR 4/4) exterior, moist; loam; 20 percent clay; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 0.5 very fine roots throughout and 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; carbonate coats on bottom of rock fragments; carbonate, finely disseminated throughout; 10 percent by volume nonflat subangular indurated 2-?-75 millimeter basalt fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, phenol red; clear wavy boundary. Lab sample # 04N02584; dry when described; observed in cut
    Bk2—137 to 160 centimeters (53.9 to 63.0 inches); yellowish brown (10YR 5/4) exterior, brown (10YR 4/3) exterior, moist; sandy loam; 15 percent clay; weak medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; moderately rapid permeability; 0.5 very fine roots throughout and 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; carbonate coats on bottom of rock fragments; carbonate, finely disseminated throughout; 10 percent by volume nonflat subangular indurated 2-?-75 millimeter basalt fragments and 15 percent by volume nonflat subangular indurated 75-?-250 millimeter basalt fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.3, phenol red. Lab sample # 04N02585; dry when described; observed in cut