IDENTIFIERS

  • Current Taxon Name (Soil Name): AGER
  • OSD
  • Series Extent
  • User Site ID: S1972CA049022
  • User Pedon ID: S1972CA049022
  • Vegetation Plot ID: S1972CA049022
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 72C0106
  • NCSS Pedon Lab Data NASIS Record ID - 44040
  • Print Date: 11/21/2024

    • 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: 41.4691658
  • Std. Longitude: -120.8458328
  • Datum: WGS84
  • Township: 42N
  • Range: 10E
  • Section: 20
  • PLSS Details: The following pit is located 1,500 feet south and 1,300 feet west of the NW 1/4 corner
  • Location Description: Modoc County, California.
  • State: California
  • County: CA049—Modoc
  • MLRA: 21—Klamath and Shasta Valleys and Basins
  • Non-MLRA Soil Survey Area: CA603—Modoc County, California, Alturas Area

    • PEDON

  • Current Taxonomic Class: Very-fine, montmorillonitic Chromic Haploxererts
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 22
  • Correlated Information:
  • Soil Name - AGER
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/12/2002
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Ager
  • Classificaton Date - 6/1/1972
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: near crest position lake terrace
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1972 (actual site observation date)
  • Air Photo ID: 14DD-165
  • 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

    BRTE

    CHRYS9

    CIRSI

    JUNIP

    Bromus tectorum

    Chrysothamnus

    Cirsium

    Juniperus

    cheatgrass

    rabbitbrush

    thistle

    juniper

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

    mollic epipedon

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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

    4

    —

    —

    1371.6

    —

    180

    279

    —

    80

    8

    20

    -2

    11

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    A11—0 to 5 centimeters (0.0 to 2.0 inches); grayish brown (10YR 5/2), light brownish gray (10YR 6/2), moist; clay; strong very fine granular structure; loose, friable, very sticky, very plastic; 0.5 very fine roots; 21.0 very fine interstitial pores; fragments; slightly alkaline, pH 7.5; abrupt smooth boundary. Lab sample # 72C00617
    A12—5 to 17 centimeters (2.0 to 6.7 inches); grayish brown (10YR 5/2), grayish brown (10YR 5/2), moist; clay; strong very coarse prismatic structure; very hard, friable, moderately sticky, very plastic; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots; 3.0 very fine tubular pores; fragments; slightly alkaline, pH 7.5; clear smooth boundary. Lab sample # 72C00618
    A13—17 to 63 centimeters (6.7 to 24.8 inches); grayish brown (10YR 5/2), grayish brown (10YR 5/2), moist; clay; strong very coarse prismatic parts to strong very coarse angular blocky, and strong very coarse prismatic parts to strong coarse angular blocky structure; extremely hard, friable, moderately sticky, very plastic; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots; 0.5 very fine tubular pores; 30 percent slickensides (pedogenic); fine irregular carbonate masses; fragments; slight effervescence; slightly alkaline, pH 7.5; gradual wavy boundary. Lab sample # 72C00619
    A14—63 to 84 centimeters (24.8 to 33.1 inches); dark grayish brown (10YR 4/2), brown (10YR 4/3), moist; clay; strong very coarse angular blocky structure; extremely hard, friable, moderately sticky, very plastic; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots and 0.5 coarse roots; 0.1 very fine tubular and 0.1 fine tubular pores; 75 percent slickensides (pedogenic); fine spherical carbonate masses; fragments; strong effervescence; moderately alkaline, pH 8.0; gradual wavy boundary. Lab sample # 72C00620
    AC—84 to 99 centimeters (33.1 to 39.0 inches); brown (10YR 5/3), brown (10YR 4/3), moist; clay; 21 percent white (10YR 8/1) fine mottles; moderate fine prismatic parts to weak fine angular blocky, and moderate fine prismatic parts to weak medium angular blocky structure; extremely hard, friable, moderately sticky, very plastic; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots; 3.0 very fine tubular pores; fine threadlike carbonate masses; fragments; strong effervescence; moderately alkaline, pH 8.0; abrupt wavy boundary. Lab sample # 72C00621
    C1CA—99 to 120 centimeters (39.0 to 47.2 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; clay loam; 21 percent white (10YR 8/1) fine mottles; moderate medium prismatic parts to moderate coarse angular blocky structure; very hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots and 0.5 fine roots; 3.0 very fine interstitial and 3.0 very fine tubular pores; fine irregular carbonate masses in cracks; fragments; violent effervescence; moderately alkaline, pH 8.0; abrupt smooth boundary. Lab sample # 72C00622
    C2CA—120 to 135 centimeters (47.2 to 53.1 inches); light gray (10YR 7/1), light gray (10YR 7/1), moist; loam; 3 percent pale brown (10YR 6/3) fine mottles; massive; very hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots and 0.5 fine roots; 0.5 very fine interstitial and 21.0 very fine tubular and 0.5 fine tubular pores; fragments; violent effervescence; moderately alkaline, pH 8.0; gradual smooth boundary. Lab sample # 72C00623
    C3—135 to 163 centimeters (53.1 to 64.2 inches); light yellowish brown (2.5Y 6/4), light olive brown (2.5Y 5/4), moist; silt loam; massive; very hard, friable, very weakly coherent, moderately sticky, slightly plastic; 0.5 very fine interstitial and 3.0 very fine tubular and 0.5 fine tubular pores; fine threadlike carbonate masses; fragments; strong effervescence; moderately alkaline, pH 8.0; gradual smooth boundary. Lab sample # 72C00624
    C4—163 to 198 centimeters (64.2 to 78.0 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 3/4), moist; silty clay loam; massive; extremely hard, firm, moderately sticky, moderately plastic; 0.5 very fine tubular pores; fine threadlike carbonate masses; fragments; slight effervescence; moderately alkaline, pH 8.0. Lab sample # 72C00625
    C5—198 to 244 centimeters (78.0 to 96.1 inches); light yellowish brown (2.5Y 6/4), yellowish brown (10YR 5/4), moist; silty clay loam; very weakly coherent; fine threadlike carbonate masses; fragments; slight effervescence; moderately alkaline, pH 8.0. Lab sample # 72C00626
    C6—244 to 269 centimeters (96.1 to 105.9 inches); light yellowish brown (2.5Y 6/4), dark yellowish brown (10YR 3/4), moist; silty clay loam; fine threadlike carbonate masses; fragments; slight effervescence; moderately alkaline, pH 8.0. Lab sample # 72C00627