IDENTIFIERS

  • Current Taxon Name (Soil Name): Shukash
  • OSD
  • Series Extent
  • User Site ID: 02-JFD-02
  • User Pedon ID: 02OR035003
  • User Site Association ID: OR683 point data
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 02N0456
  • Print Date: 4/21/2025

    • 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: 42.7423401
  • Std. Longitude: -121.2169266
  • Datum: WGS84
  • Township: 33 S.
  • Range: 13 E.
  • Section: 6
  • PLSS Details: about 1100 feet west and 1650 feet south of northeast corner
  • Location Description: about 4 miles east and 2 miles north of Silverdollar flat; about 11 miles north and 32 miles east of Chiloquin; about 200 feet west of FS Road #4683
  • Map Unit: 1316—Shukash paragravelly ashy loamy coarse sand, 2 to 12 percent slopes
  • Country: US—United States
  • State: Oregon
  • County: OR035—Klamath
  • MLRA: 6—Cascade Mountains, Eastern Slope
  • Non-MLRA Soil Survey Area: OR683—Winema National Forest Area, Oregon
  • 7.5 Minute USGS Quad: 42121-F2—Riverbed Butte Spring, Oregon

    • PEDON

  • Describers Name: Nicita, Eric
  • Current Taxonomic Class: Ashy over loamy-skeletal, glassy over isotic Xeric Vitricryands
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Shukash
  • PSC - 14 to 114 cm.
  • Classificaton Date - 3/19/2025
  • Soil Taxonomic Edition - thirteenth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Shukash
  • Taxonomic Class - Ashy over loamy-skeletal, glassy over isotic Xeric Vitricryands
  • PSC - 14 to 114 cm.
  • Classificaton Date - 6/10/2002
  • Soil Taxonomic Edition - eighth edition
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash derived from dacite and/or pumice derived from dacite over residuum weathered from volcanic rock and/or tephra
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: concave
  • Drainage Class: somewhat excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/10/2002 (actual site observation date)
  • Air Photo ID: 895-219
  • Surface Water Kind: none observed
  • Plant Association Name: PIPO/PUTR2/ACOCO p.a.
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree 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

    ochric epipedon

    andic soil properties

    cambic horizon

    lithologic discontinuity

    argillic horizon

    0—22

    14—86

    86—147

    86—

    147—166

    —22—

    —72—

    —61—

    —-

    —19—
    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

    6

    —

    —

    1576

    —

    220

    610

    —

    15

    5.6

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 5 centimeters (0.0 to 2.0 inches); slightly decomposed plant material; low excavation difficulty; fragments; abrupt smooth boundary.; dry when described; observed in trench
    Oe—5 to 12 centimeters (2.0 to 4.7 inches); moderately decomposed plant material; low excavation difficulty; fragments; abrupt smooth boundary.; dry when described; observed in trench
    Oa—12 to 14 centimeters (4.7 to 5.5 inches); highly decomposed plant material; low excavation difficulty; fragments; abrupt smooth boundary.; dry when described; observed in trench
    A—14 to 22 centimeters (5.5 to 8.7 inches); dark grayish brown (10YR 4/2) broken face, brown (10YR 5/3) broken face, dry; paragravelly ashy loamy coarse sand; 80 percent sand; 5 percent clay; moderate coarse subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; low excavation difficulty; 20.0 very fine roots throughout and 0.5 very coarse roots throughout and 0.5 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 15.0 very fine low-continuity irregular and 3.0 fine low-continuity irregular pores; 1 percent by volume nonflat indurated 2-40-75 millimeter volcanic, unspecified fragments and 2 percent by volume nonflat indurated 75-130-250 millimeter volcanic, unspecified fragments and 3 percent by volume nonflat indurated 600-1000-3000 millimeter volcanic, unspecified fragments and 3 percent by volume nonflat indurated 250-425-600 millimeter volcanic, unspecified fragments and 15 percent by volume nonflat moderately coherent cemented 2-40-75 millimeter pumice fragments; slightly acid, pH 6.4, bromthymol blue; clear smooth boundary.; dry when described; observed in trench
    AB—22 to 45 centimeters (8.7 to 17.7 inches); 65 percent brown (10YR 4/3) broken face and 35 percent reddish yellow (7.5YR 6/6) broken face, 65 percent yellowish brown (10YR 5/4) broken face and 35 percent very pale brown (10YR 7/4) broken face, dry; paragravelly ashy coarse sand; 95 percent sand; 1 percent clay; weak medium subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; low excavation difficulty; 15.0 very fine roots throughout and 0.5 very coarse roots throughout and 9.0 medium roots throughout and 3.0 fine roots throughout and 3.0 coarse roots throughout; 8.0 very fine low-continuity irregular and 3.0 fine low-continuity irregular pores; 1 percent by volume nonflat indurated 2-40-75 millimeter volcanic, unspecified fragments and 2 percent by volume nonflat indurated 75-130-250 millimeter volcanic, unspecified fragments and 2 percent by volume nonflat indurated 250-425-600 millimeter volcanic, unspecified fragments and 5 percent by volume nonflat indurated 600-1000-3000 millimeter volcanic, unspecified fragments and 15 percent by volume nonflat moderately coherent cemented 2-40-75 millimeter pumice fragments; 8 percent krotovinas (volume percent); slightly acid, pH 6.4, bromthymol blue; clear wavy boundary.; dry when described; observed in trench
    Bw1—45 to 86 centimeters (17.7 to 33.9 inches); 65 percent light yellowish brown (2.5Y 6/3) exterior and 35 percent reddish yellow (7.5YR 6/6) exterior, 65 percent light gray (10YR 7/2) exterior and 35 percent very pale brown (10YR 7/4) exterior, dry; paragravelly ashy coarse sand; 95 percent sand; 1 percent clay; single grain; loose, loose, nonsticky, nonplastic; low excavation difficulty; 3.0 very fine roots throughout and 0.8 very coarse roots throughout and 0.8 medium roots throughout and 0.5 fine roots throughout and 0.8 coarse roots throughout; 12.0 very fine low-continuity interstitial and 3.0 fine low-continuity interstitial pores; 2 percent by volume nonflat indurated 250-425-600 millimeter volcanic, unspecified fragments and 2 percent by volume nonflat indurated 600-1000-3000 millimeter volcanic, unspecified fragments and 20 percent by volume nonflat moderately coherent cemented 2-40-75 millimeter pumice fragments; 10 percent krotovinas (volume percent); slightly acid, pH 6.2, bromthymol blue; abrupt wavy boundary.; moist when described; observed in trench
    2Bw2—86 to 113 centimeters (33.9 to 44.5 inches); brown (7.5YR 4/3) broken face, brown (7.5YR 5/4) broken face, dry; very stony ashy fine sandy loam; 54 percent sand; 11 percent clay; moderate medium subangular blocky structure; moderately hard, friable, slightly sticky, slightly plastic; moderate excavation difficulty; 3.0 very fine roots throughout and 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 3.0 very fine low-continuity tubular and 0.5 very fine low-continuity irregular pores; 5 percent medium prominent irregular extremely weakly coherent cemented black (10YR 2/1), moist, and very dark gray (10YR 3/1), dry, manganese masses throughout; 5 percent by volume nonflat indurated 75-130-250 millimeter volcanic, unspecified fragments and 10 percent by volume nonflat moderately coherent cemented 2-40-75 millimeter pumice fragments and 10 percent by volume nonflat indurated 2-40-75 millimeter volcanic, unspecified fragments and 25 percent by volume nonflat indurated 250-425-600 millimeter volcanic, unspecified fragments; slightly acid, pH 6.4, bromthymol blue; gradual wavy boundary. Lab sample # 02N02358; moist when described; observed in trench
    2Bw3—113 to 147 centimeters (44.5 to 57.9 inches); brown (7.5YR 4/3) broken face, brown (7.5YR 5/4) broken face, dry; extremely stony ashy loam; 50 percent sand; 17 percent clay; moderate fine subangular blocky structure; moderately hard, friable, slightly sticky, slightly plastic; moderate excavation difficulty; 0.5 very fine roots throughout and 0.5 medium roots throughout and 0.5 fine roots throughout; 0.8 very fine low-continuity tubular and 0.5 very fine low-continuity irregular pores; 1 percent fine irregular noncoherent cemented black (10YR 2/1), moist, and very dark gray (10YR 3/1), dry, manganese masses throughout; 5 percent by volume nonflat moderately coherent cemented 2-40-75 millimeter volcanic, unspecified fragments and 10 percent by volume nonflat indurated 75-130-250 millimeter volcanic, unspecified fragments and 30 percent by volume nonflat indurated 2-40-75 millimeter volcanic, unspecified fragments and 30 percent by volume nonflat indurated 250-425-600 millimeter volcanic, unspecified fragments; slightly acid, pH 6.4, bromthymol blue; abrupt irregular boundary.; moist when described; observed in trench
    2Bt—147 to 166 centimeters (57.9 to 65.4 inches); dark brown (7.5YR 3/3) broken face, brown (7.5YR 4/3) broken face, dry; extremely stony clay loam; 40 percent sand; 30 percent clay; strong coarse subangular blocky structure; hard, firm, slightly sticky, moderately plastic; high excavation difficulty; 0.1 very fine roots throughout; 3.0 very fine low-continuity tubular and 0.5 fine low-continuity tubular pores; 80 percent dark brown (7.5YR 3/2), moist, and dark brown (7.5YR 3/4), dry, clay films on rock fragments; 1 percent very fine irregular noncoherent cemented black (2.5Y 2.5/1), moist, and black (2.5Y 2.5/1), dry, manganese masses throughout; 10 percent by volume nonflat indurated 75-130-250 millimeter volcanic, unspecified fragments and 10 percent by volume nonflat moderately coherent cemented 2-40-75 millimeter volcanic, unspecified fragments and 30 percent by volume nonflat indurated 250-425-600 millimeter volcanic, unspecified fragments and 30 percent by volume nonflat indurated 2-40-75 millimeter volcanic, unspecified fragments; neutral, pH 7.0, bromthymol blue.; moist when described; observed in trench