IDENTIFIERS

  • Current Taxon Name (Soil Name): WEIMER
  • OSD
  • Series Extent
  • User Site ID: S1973CA049006
  • User Pedon ID: S1973CA049006
  • Vegetation Plot ID: S1973CA049006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 73C0097
  • NCSS Pedon Lab Data NASIS Record ID - 44731
  • Print Date: 5/30/2024

    • 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: 41.5505562
  • Std. Longitude: -120.9744415
  • Datum: WGS84
  • Township: 43N
  • Range: 9E
  • Section: 18
  • Location Description: Modoc County, California. This site is located 0.4 miles E of Loveness Road in Widow Valley, 5.1 miles N of HWY 139. Private land in the Modoc National Forest SSA.
  • State: California
  • County: CA049—Modoc
  • MLRA: 21—Klamath and Shasta Valleys and Basins
  • Non-MLRA Soil Survey Area: CA703—Modoc National Forest Area, California

    • PEDON

  • Current Taxonomic Class: Very-fine, montmorillonitic Xeric Epiaquerts
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - WEIMER
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/12/2002
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Weimer
  • Classificaton Date - 6/1/1973
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: enclosed basin
  • Landform: hummock
  • Runoff: very low
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1973 (actual site observation date)
  • Air Photo ID: ESC-11-34
  • Surface Water Kind: ponded
  • 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

    CAREX

    JUNCU

    Carex

    Juncus

    sedge

    rush

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    —

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

    mollic epipedon

    —

    —-
    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

    0.5

    —

    —

    1539.2

    —

    90

    533

    —

    —

    7

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A11—0 to 28 centimeters (0.0 to 11.0 inches); dark gray (N 4/0), dark gray (N 4/0), dry; silty clay; strong very coarse prismatic structure; very hard, friable, moderately sticky, very plastic; 21.0 very fine roots; 0.1 very fine tubular pores; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # 73C00663
    A12—28 to 51 centimeters (11.0 to 20.1 inches); dark gray (N 4/0), dark gray (N 4/0), dry; silty clay; strong very coarse prismatic structure; very hard, firm, moderately sticky, very plastic; 3.0 very fine roots; 0.1 very fine tubular pores; fragments; moderately alkaline, pH 8.0, thymol-blue; clear wavy boundary. Lab sample # 73C00664
    A13CA—51 to 81 centimeters (20.1 to 31.9 inches); dark gray (N 4/0), dark gray (N 4/0), dry; silty clay; strong very coarse prismatic structure; very hard, firm, moderately sticky, very plastic; 0.5 very fine roots; 0.1 very fine tubular pores; 30 percent slickensides (pedogenic); fine spherical noncoherent cemented carbonate masses; fragments; violent effervescence; moderately alkaline, pH 8.0; clear wavy boundary. Lab sample # 73C00665
    C1—81 to 119 centimeters (31.9 to 46.9 inches); dark grayish brown (2.5Y 4/2), grayish brown (2.5Y 5/2), dry; silty clay; strong very coarse prismatic structure; very hard, firm, moderately sticky, very plastic; 0.1 fine roots; 30 percent slickensides (pedogenic); fragments; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # 73C00666
    C2—119 to 135 centimeters (46.9 to 53.1 inches); olive gray (5Y 5/2), olive gray (5Y 5/2), dry; silty clay; moderate coarse angular blocky structure; 75 percent slickensides (pedogenic); fine irregular noncoherent cemented salt masses; fragments; noneffervescent; moderately alkaline, pH 8.0; clear wavy boundary. Lab sample # 73C00667
    C3—135 to 145 centimeters (53.1 to 57.1 inches); brown (7.5YR 4/4), brown (7.5YR 5/4), dry; clay loam; moderate fine angular blocky structure; very hard, very friable, very weakly coherent, moderately sticky, moderately plastic; 0.1 very fine tubular pores; 75 percent slickensides (pedogenic); 3 percent fine distinct very dark gray (N 3/0), dry, manganese masses; fine irregular noncoherent cemented gypsum masses; 15 percent by volume 75-?-250 millimeter basalt fragments; noneffervescent; moderately alkaline, pH 8.0; clear wavy boundary. Lab sample # 73C00668
    2C4SIM—145 to 155 centimeters (57.1 to 61.0 inches); brown (7.5YR 4/4), strong brown (7.5YR 5/6), dry; bedrock; massive; very hard, strongly coherent; brittle; 21 percent medium distinct very dark gray (N 3/0), dry, manganese masses; fragments; slightly alkaline, pH 7.5; clear wavy boundary. Lab sample # 73C00669
    2R—155 to 160 centimeters (61.0 to 63.0 inches); bedrock; fragments. Lab sample # 73C00670