IDENTIFIERS

  • Current Taxon Name (Soil Name): EXEL
  • OSD
  • Series Extent
  • User Site ID: S1972CA049016
  • User Pedon ID: S1972CA049016
  • Vegetation Plot ID: S1972CA049016
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 72C0111
  • NCSS Pedon Lab Data NASIS Record ID - 44045
  • 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: 41.5616684
  • Std. Longitude: -120.3949966
  • Datum: WGS84
  • Township: 43N
  • Range: 14E
  • Section: 18
  • PLSS Details: 1050 feet south and 1600 feet west of the east 1/4 corner
  • 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

  • Describers Name: Wayne B. Sheldon
  • Current Taxonomic Class: Fine-loamy, mixed Xeric Argidurids
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 16
  • Correlated Information:
  • Soil Name - EXEL
  • PSC - 28 to 76 cm.
  • Classificaton Date - 1/3/2006
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Exel
  • Classificaton Date - 9/11/1972
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: gravelly alluvium
  • Landform: old lake terrace
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/11/1972 (actual site observation date)
  • Air Photo ID: BUW15DD33
  • 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

    ARAR8

    BRTE

    FEID

    POA

    Artemisia arbuscula

    Bromus tectorum

    Festuca idahoensis

    Poa

    little sagebrush

    cheatgrass

    Idaho fescue

    bluegrass

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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

    2

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    1532

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    270

    305

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    9.4

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    A1—0 to 13 centimeters (0.0 to 5.1 inches); light brownish gray (10YR 6/2), dark brown (10YR 3/3), moist; loam; moderate medium and coarse granular structure; soft, very friable, slightly sticky, slightly plastic; 21.0 micro roots; 0.5 very fine tubular and 21.0 micro interstitial pores; 10 percent thin clay bridges between sand grains; fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # 72C00651, 72C00659
    A3—13 to 28 centimeters (5.1 to 11.0 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; loam; weak fine and medium subangular blocky structure; slightly hard, friable, moderately sticky, slightly plastic; 3.0 micro roots; 3.0 very fine tubular and 3.0 micro interstitial pores; fragments; slightly acid, pH 6.5; clear wavy boundary. Lab sample # 72C00652
    Bt21—28 to 43 centimeters (11.0 to 16.9 inches); brown (7.5YR 5/2), dark brown (7.5YR 3/2), moist; cobbly loam; moderate medium and coarse angular blocky structure; hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots and 0.5 micro roots; 3.0 very fine tubular and 3.0 micro interstitial pores; 75 percent thick clay bridges and 75 percent thick clay films on surfaces along pores; 10 percent by volume 2-?-76 millimeter unspecified fragments and 10 percent by volume 76-?-250 millimeter unspecified fragments; slightly acid, pH 6.5; clear wavy boundary. Lab sample # 72C00653
    Bt22—43 to 64 centimeters (16.9 to 25.2 inches); reddish brown (5YR 5/3) rubbed and reddish brown (5YR 4/4) interior and dark reddish gray (5YR 4/2) exterior, reddish brown (5YR 4/4) rubbed and dark reddish brown (5YR 3/3) exterior and dark reddish brown (5YR 3/4) interior, moist; very cobbly clay loam; strong medium angular blocky structure; very hard, firm, moderately sticky, very plastic; 0.5 very fine roots; 0.5 very fine tubular and 0.5 very fine interstitial pores; 30 percent thick clay films on surfaces along pores and 30 percent thick clay bridges and 75 percent thick clay films on all faces of peds; 15 percent by volume 2-?-76 millimeter unspecified fragments and 40 percent by volume 76-?-250 millimeter unspecified fragments; slightly acid, pH 6.5; gradual irregular boundary. Lab sample # 72C00654
    Bt31—64 to 76 centimeters (25.2 to 29.9 inches); reddish brown (5YR 4/3), dark reddish brown (5YR 3/3), moist; gravelly clay loam; moderate medium subangular blocky structure; very hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots; 0.5 very fine tubular and 0.5 very fine interstitial pores; 75 percent thick clay films on surfaces along pores and 75 percent thick clay films on all faces of peds; 10 percent by volume 76-?-250 millimeter unspecified fragments and 15 percent by volume 2-?-76 millimeter unspecified fragments; slightly acid, pH 6.5; gradual irregular boundary. Lab sample # 72C00655
    Bsm32—76 to 89 centimeters (29.9 to 35.0 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; very gravelly clay loam; weak medium angular blocky structure; hard, very firm by silica, moderately sticky, moderately plastic; 0.5 very fine interstitial pores; thin silica coats on rock fragments and 30 percent thick clay films on all faces of peds; 25 percent by volume 2-?-76 millimeter unspecified fragments and 25 percent by volume 76-?-250 millimeter unspecified fragments; neutral, pH 6.8; abrupt wavy boundary. Lab sample # 72C00656
    Csm1—89 to 108 centimeters (35.0 to 42.5 inches);, pink (7.5YR 7/4), moist; bedrock; platy structure; very hard, extremely firm; silica coats on rock fragments; 30 percent fine distinct black (N 2/0), moist, manganese masses; 10 percent by volume 2-?-76 millimeter unspecified fragments and 80 percent by volume 76-?-250 millimeter unspecified fragments. Lab sample # 72C00657
    Csm2—108 to 120 centimeters (42.5 to 47.2 inches);, yellow (10YR 7/6), moist; bedrock; massive; very hard, extremely firm; silica coats on rock fragments; 45 percent by volume 2-?-76 millimeter unspecified fragments and 45 percent by volume 76-?-250 millimeter unspecified fragments. Lab sample # 72C00658