IDENTIFIERS

  • Current Taxon Name (Soil Name): Delma
  • OSD
  • Series Extent
  • User Site ID: S1973CA049011
  • User Pedon ID: S1973CA049011
  • Vegetation Plot ID: S1973CA049011
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 73C0102
  • NCSS Pedon Lab Data NASIS Record ID - 44736
  • 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: 41.4700012
  • Std. Longitude: -120.6800003
  • Datum: WGS84
  • Township: 42N
  • Range: 11E
  • Section: 22
  • Location Description: Modoc County, California. This site is located 50 feet N of Center or dirt road, 280 feet E of fence corner, 2.3 miles E of County Road 75 on County Road 76. Alturas SSA.
  • State: California
  • County: CA049—Modoc
  • MLRA: 21—Klamath and Shasta Valleys and Basins
  • Non-MLRA Soil Survey Area: CA603—Modoc County, California, Alturas Area
  • 7.5 Minute USGS Quad: 41120-D6—Rattlesnake Butte, California

    • PEDON

  • Current Taxonomic Class: Clayey, smectitic, mesic, shallow Aridic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 11
  • Correlated Information:
  • Soil Name - Delma
  • PSC - 36 to 45 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - xeric
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Delm
  • Classificaton Date - 6/1/1973
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: dissected lake terrace
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1973 (actual site observation date)
  • Air Photo ID: 14DD-157
  • 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

    ELMU3

    FEID

    JUOC

    LOLIU

    PSSPS

    Artemisia tridentata

    Bromus tectorum

    Elymus multisetus

    Festuca idahoensis

    Juniperus occidentalis

    Lolium

    Pseudoroegneria spicata ssp. spicata

    big sagebrush

    cheatgrass

    big squirreltail

    Idaho fescue

    western juniper

    ryegrass

    bluebunch wheatgrass

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

    mollic epipedon

    argillic horizon

    paralithic contact

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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

    5

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    1338

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    270

    254

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    8

    19

    -2

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    AP—0 to 10 centimeters (0.0 to 3.9 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; loam; weak fine subangular blocky structure; hard, very friable, slightly sticky, slightly plastic; 0.5 very fine roots; 0.5 very fine tubular and 3.0 very fine interstitial pores; 5 percent by volume rounded 2-?-75 millimeter igneous, unspecified fragments; slightly acid, pH 6.5; abrupt smooth boundary. Lab sample # 73C00693
    A12—10 to 26 centimeters (3.9 to 10.2 inches); grayish brown (10YR 5/2), dark brown (7.5YR 3/2), moist; loam; weak coarse subangular blocky structure; hard, very friable, slightly sticky, slightly plastic; 0.5 very fine roots; 0.1 very fine tubular and 3.0 very fine interstitial pores; fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # 73C00694
    A3—26 to 36 centimeters (10.2 to 14.2 inches); brown (10YR 5/3), dark brown (7.5YR 3/2), moist; loam; weak medium subangular blocky, and weak coarse subangular blocky structure; hard, very friable, moderately sticky, slightly plastic; 0.5 very fine roots; 0.5 very fine tubular and 3.0 very fine interstitial pores; 1 percent organoargillans and 10 percent clay bridges; fragments; neutral, pH 6.8; abrupt smooth boundary. Lab sample # 73C00695
    B2T—36 to 45 centimeters (14.2 to 17.7 inches); dark brown (7.5YR 3/2), dark brown (7.5YR 3/2), moist; clay; moderate medium prismatic structure; very hard, very firm, moderately sticky, moderately plastic; 3.0 very fine roots; 0.5 very fine interstitial pores; clay films on all faces of peds and clay films on surfaces along pores; 10 percent by volume angular 2-?-75 millimeter unspecified fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # 73C00696. continuous - phpvsfiid 171965; continuous - phpvsfiid 171966; continuous - phpvsfiid 171965; continuous - phpvsfiid 171966
    C—45 to 100 centimeters (17.7 to 39.4 inches); white (10YR 8/1) bedrock; fragments; strong effervescence. Lab sample # 73C00697