IDENTIFIERS

  • Current Taxon Name (Soil Name): Tumtum
  • OSD
  • Series Extent
  • User Site ID: S1982OR025008
  • User Pedon ID: S1982OR025008
  • Vegetation Plot ID: S1982OR025008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 83P0022
  • NCSS Pedon Lab Data NASIS Record ID - 51714
  • Print Date: 12/17/2024

    • 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: 42.1124992
  • Std. Longitude: -118.4588852
  • Datum: WGS84
  • Township: 40S
  • Range: 36E
  • Section: 11
  • PLSS Details: NE, SW
  • State: Oregon
  • County: OR025—Harney
  • MLRA: 24—Humboldt Basin and Range Area
  • Non-MLRA Soil Survey Area: OR628—Harney County Area, Oregon

    • PEDON

  • Describers Name: RR
  • Current Taxonomic Class: Clayey, smectitic, mesic, shallow Haplic Durargids
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 8
  • Correlated Information:
  • Soil Name - Tumtum
  • Classificaton Date - 7/23/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Rk 82-42
  • Taxonomic Class - Clayey, montmorillonitic, mesic, shallow Haploxero
  • Classificaton Date - 8/6/1982
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/6/1982 (actual site observation date)
  • Air Photo ID: 3-19-A
  • Surface Cover Properties:
  • 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

    ARTR2

    BRTE

    SIHY

    Artemisia tridentata

    Bromus tectorum

    Sitanion hystrix

    big sagebrush

    cheatgrass

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    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

    7

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    1414

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    270

    178

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    8.3

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    A—0 to 5 centimeters (0.0 to 2.0 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2), moist; cobbly loam; 23 percent clay; weak medium platy structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots; 21.0 very fine and fine vesicular and 0.5 medium vesicular pores; 5 percent by volume 75-162-250 millimeter unspecified fragments and 10 percent by volume 2-39-75 millimeter unspecified fragments; very slight effervescence; slightly alkaline, pH 7.5, hellige-truog; clear wavy boundary. Lab sample # 83P00094
    Bt—5 to 25 centimeters (2.0 to 9.8 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; clay; 41 percent clay; weak fine subangular blocky parts to strong very fine subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; 3.0 very fine and fine roots and 0.5 medium roots; 21.0 very fine and fine interstitial pores; 75 percent faint clay films on faces of peds; 2 percent by volume 2-39-75 millimeter unspecified fragments; very slight effervescence; moderately alkaline, pH 8.2, hellige-truog; abrupt wavy boundary. Lab sample # 83P00095
    Cq1—25 to 36 centimeters (9.8 to 14.2 inches); very pale brown (10YR 7/4), dark yellowish brown (10YR 3/6), moist; massive; hard, very firm, nonsticky, nonplastic; 0.5 fine roots; 3.0 very fine interstitial pores; 7 percent by volume 2-39-75 millimeter unspecified fragments; very slight effervescence; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary.
    Cq2—36 to 64 centimeters (14.2 to 25.2 inches); very pale brown (10YR 7/4), yellowish brown (10YR 5/6), moist; massive; hard, very firm, nonsticky, nonplastic; 0.5 fine roots; 0.5 very fine interstitial pores; 10 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; moderately alkaline, pH 8.2, hellige-truog.