IDENTIFIERS

  • Current Taxon Name (Soil Name): Ustic Haplargids
  • OSD
  • Series Extent
  • User Site ID: S2013CA071007
  • User Pedon ID: S2013CA071007
  • Vegetation Plot ID: S2013CA071007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 13N56385
  • Print Date: 12/9/2025

    • 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: 35.1591111
  • Std. Longitude: -115.4042222
  • Datum: WGS84
  • Country: US—United States
  • State: California
  • County: CA071—San Bernardino
  • MLRA: 30—Mojave Basin and Range
  • Non-MLRA Soil Survey Area: CA795—Mojave National Preserve Area, California

    • PEDON

  • Describers Name: Genevieve Widrig & Leon Lato
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, mesic Ustic Haplargids
  • Current Taxon Kind: taxon above family
  • Pedon Type: representative pedon for component
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: Pedon PC 5.1
  • Correlated Information:
  • Soil Name - Ustic Haplargids
  • PSC - 6 to 25 cm.
  • Classificaton Date - 8/24/2012
  • Classifier - Genevieve Widrig & Leon Lato
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Ustic Haplargids
  • Taxonomic Class - Coarse-loamy, mixed, superactive, mesic Ustic Haplargids
  • Taxon Kind - taxon above family
  • PSC - 6 to 25 cm.
  • Classificaton Date - 8/24/2012
  • Classifier - Genevieve Widrig & Leon Lato
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from granitoid
  • Landscape: fan piedmont
  • Landform: fan remnant
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: very rare flooding
  • Ponding: none ponding
  • Surface Fragments: 5.00 percent nonflat subangular indurated 2- to 5-millimeter granitoid, 10.00 percent nonflat subangular indurated 5- to 75-millimeter granitoid,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/24/2012 (actual site observation date)
  • Data Collector: Genevieve Widrig
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - native shrubs
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARTR2

    BOER4

    JUCO6

    PLRI3

    SPAM2

    Artemisia tridentata

    Bouteloua eriopoda

    Juniperus communis

    Pleuraphis rigida

    Sphaeralcea ambigua

    big sagebrush

    black grama

    common juniper

    big galleta

    desert globemallow

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

    ochric epipedon

    argillic horizon

    0—6

    6—25

    —6—

    —19—
    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

    3

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    1598

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    25

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    A—0 to 6 centimeters (0.0 to 2.4 inches); brown (10YR 5/3), dark grayish brown (10YR 4/2), moist; fine sandy loam; 70 percent sand; 25 percent silt; 5 percent clay; weak medium subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 6.0 very fine roots throughout; 4.0 very fine irregular and 2.0 fine irregular pores; 3 percent by volume nonflat subangular indurated 5-37-75 millimeter granitoid fragments and 4 percent by volume nonflat subangular indurated 2-4-5 millimeter granitoid fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.4, pH meter; clear smooth boundary. Lab sample # 13N05921; observed in trench
    Bt—6 to 25 centimeters (2.4 to 9.8 inches); yellowish brown (10YR 5/4), brown (10YR 4/3), moist; loam; 45 percent sand; 40 percent silt; 15 percent clay; moderate medium subangular blocky structure; moderately hard, very friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 1.0 fine roots throughout; 2.0 very fine irregular and 1.0 fine irregular pores; 5 percent faint brown (10YR 4/3) clay films on rock fragments and 5 percent faint clay films on all faces of peds; 5 percent by volume nonflat subangular indurated 2-4-5 millimeter granitoid fragments and 5 percent by volume nonflat subangular indurated 5-37-75 millimeter granitoid fragments; noneffervescent, by hcl, 1n; neutral, pH 6.6, pH meter; gradual smooth boundary. Lab sample # 13N05922; observed in trench
    BC—25 to 108 centimeters (9.8 to 42.5 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; very fine sandy loam; 55 percent sand; 30 percent silt; 15 percent clay; moderate coarse subangular blocky structure; moderately hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 0.5 fine roots throughout; 2.0 very fine dendritic tubular and 1.0 medium irregular and 1.0 fine dendritic tubular pores; 4 percent by volume nonflat subangular indurated 2-4-5 millimeter granitoid fragments and 5 percent by volume nonflat subangular indurated 5-37-75 millimeter granitoid fragments; noneffervescent, by hcl, 1n; neutral, pH 6.8, pH meter; clear smooth boundary. Lab sample # 13N05923; observed in trench
    Ck—108 to 150 centimeters (42.5 to 59.1 inches); yellowish brown (10YR 5/4), brown (10YR 4/3), moist; very fine sandy loam; 55 percent sand; 33 percent silt; 12 percent clay; moderate medium subangular blocky structure; moderately hard, friable, moderately sticky, slightly plastic; 0.5 very fine roots throughout and 2.0 fine roots throughout; 3.0 very fine irregular and 1.0 fine irregular and 1.0 fine tubular pores; 5 percent faint very pale brown (10YR 8/2) carbonate coats on rock fragments; 3 percent by volume nonflat subangular indurated 5-37-75 millimeter granitoid fragments and 5 percent by volume nonflat subangular indurated 2-4-5 millimeter granitoid fragments; slight effervescence, by hcl, 1n; slightly acid, pH 6.3, pH meter. Lab sample # 13N05924; observed in trench