IDENTIFIERS

  • Current Taxon Name (Soil Name): GLEASON
  • OSD
  • Series Extent
  • User Site ID: S1972CA049012
  • User Pedon ID: S1972CA049012
  • Vegetation Plot ID: S1972CA049012
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 72C0113
  • NCSS Pedon Lab Data NASIS Record ID - 44047
  • Print Date: 12/4/2024

    • 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: 41.8419456
  • Std. Longitude: -120.3316650
  • Datum: WGS84
  • Township: 46N
  • Range: 14E
  • Section: 10
  • PLSS Details: 30 feet sout and 90 feetwest of the east quarter corner
  • State: California
  • County: CA049—Modoc
  • MLRA: 22—Sierra Nevada Range
  • Non-MLRA Soil Survey Area: CA703—Modoc National Forest Area, California

    • PEDON

  • Describers Name: Richard O. Hanes & Arnold L. James
  • Current Taxonomic Class: Coarse-loamy, mixed, frigid Entic Haploxerolls
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 12
  • Correlated Information:
  • Soil Name - GLEASON
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/28/2005
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Gleason
  • Classificaton Date - 9/15/1972
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: hard fractured lapille tuff
  • Landform: upland slope
  • Slope Position: middle third
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/15/1972 (actual site observation date)
  • Air Photo ID: 12DD151
  • 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

    CERCO

    CHRYS9

    CORNU

    PIJE

    PURSH

    Cercocarpus

    Chrysothamnus

    Cornus

    Pinus jeffreyi

    Purshia

    mountain mahogany

    rabbitbrush

    dogwood

    Jeffrey pine

    bitterbrush

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

    mollic epipedon

    paralithic contact

    0—89

    89—142

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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

    15

    —

    —

    1707

    —

    45

    457

    —

    —

    7.8

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    O1—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; loose, very friable; fragments. litter of pine needles
    A11—3 to 13 centimeters (1.2 to 5.1 inches); very dark grayish brown (10YR 3/2), very dark grayish brown (10YR 3/2), moist; sandy loam; moderate very fine granular structure; soft, very friable, nonsticky, nonplastic; 21.0 very fine roots; 21.0 very fine interstitial pores; 37 percent by volume 2-?-76 millimeter obsidian fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # 72C00668
    A12—13 to 43 centimeters (5.1 to 16.9 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; sandy loam; massive; slightly hard, very friable, nonsticky, nonplastic; 3.0 very fine roots; 21.0 very fine tubular and 21.0 very fine interstitial pores; 10 percent by volume 2-?-76 millimeter obsidian fragments; moderately acid, pH 6.0; clear wavy boundary. Lab sample # 72C00669
    AC—43 to 58 centimeters (16.9 to 22.8 inches); grayish brown (10YR 5/2), dark yellowish brown (10YR 3/4), moist; sandy loam; massive; slightly hard, very friable, nonsticky, nonplastic; 0.5 very fine and fine roots and 3.0 medium roots and 0.5 coarse roots; 21.0 very fine interstitial and 3.0 very fine tubular pores; 10 percent by volume 2-?-76 millimeter obsidian fragments; moderately acid, pH 6.0; gradual wavy boundary. Lab sample # 72C00670
    C1—58 to 93 centimeters (22.8 to 36.6 inches); light gray (10YR 7/2), brown (10YR 5/3), moist; gravelly sandy loam; massive; slightly hard, very friable, nonsticky, nonplastic; 0.5 fine roots and 3.0 coarse roots; 21.0 very fine interstitial pores; 15 percent by volume 2-?-76 millimeter obsidian fragments; slightly acid, pH 6.2; gradual smooth boundary. Lab sample # 72C00671
    C2—93 to 130 centimeters (36.6 to 51.2 inches); very pale brown (10YR 7/3), light yellowish brown (10YR 6/4), moist; very gravelly coarse sand; massive; slightly hard, friable, nonsticky, nonplastic; 0.5 fine roots; 0.5 very fine interstitial pores; 60 percent by volume 2-?-76 millimeter tuff, unspecified fragments; slightly acid, pH 6.2; gradual smooth boundary. Lab sample # 72C00672
    R—130 to 145 centimeters (51.2 to 57.1 inches); pale brown (10YR 6/3) bedrock; fragments. Lab sample # 72C00673