IDENTIFIERS

  • Current Taxon Name (Soil Name): Hardtil
  • OSD
  • Series Extent
  • User Site ID: S1999CA003010
  • User Pedon ID: 99CA003010
  • Vegetation Plot ID: S1999CA003010
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 00P0473
  • NCSS Pedon Lab Data NASIS Record ID - 11978
  • Print Date: 11/23/2024

    • 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: 38.7250290
  • Std. Longitude: -119.9260559
  • Datum: WGS84
  • Location Description: South of Hope Valley, west of Blue Lake Road.
  • State: California
  • County: CA003—Alpine
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Non-MLRA Soil Survey Area: CA686—Coleville-Bridgeport Area, Parts of Alpine and Mono Counties, California
  • 7.5 Minute USGS Quad: 38119-F8—Carson Pass, California

    • PEDON

  • Describers Name: EWB
  • Current Taxonomic Class: Sandy-skeletal, mixed, superactive, frigid Lithic Humixerepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - Hardtil (flagged as OSD)
  • PSC - 25 to 46 cm.
  • Classificaton Date - 2/6/2019
  • Classifier - Andrew Paolucci
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - SND
  • Classificaton Date - 9/9/1999
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: mountain slope
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments: 10.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/9/1999 (actual site observation date)
  • Air Photo ID: 3793-132
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • 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

    PIJE

    POA

    Pinus jeffreyi

    Poa

    Jeffrey pine

    bluegrass

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    —

    46 - 200

    - 154 -

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

    umbric epipedon

    lithic contact

    0—18

    46—200

    —18—

    —154—
    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

    8

    —

    —

    2213

    —

    100

    89

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    —

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    A1—0 to 8 centimeters (0.0 to 3.1 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; gravelly loamy coarse sand; weak fine subangular blocky structure; soft, very friable, noncoherent, nonsticky, nonplastic; many (6.0) very fine roots; common (2.0) very fine tubular and common (2.0) very fine interstitial pores; 5 percent by volume nonflat 250-425-600 millimeter unspecified fragments observed by visual inspection method and 25 percent by volume nonflat 2-39-75 millimeter unspecified fragments observed by visual inspection method; slightly acid, pH 6.1, hellige-truog; clear wavy boundary.
    A2—8 to 18 centimeters (3.1 to 7.1 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; very gravelly coarse sandy loam; weak fine subangular blocky structure; soft, very friable, noncoherent, nonsticky, nonplastic; many (6.0) very fine roots and common (2.0) fine roots; common (2.0) very fine interstitial and common (2.0) very fine tubular pores; 10 percent by volume nonflat 75-162-250 millimeter unspecified fragments observed by visual inspection method and 45 percent by volume nonflat 2-39-75 millimeter unspecified fragments observed by visual inspection method; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. estimate 12% clay
    Bw—18 to 46 centimeters (7.1 to 18.1 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 3/4), moist; very gravelly loamy coarse sand; 80 percent sand; 19 percent silt; 2 percent clay; 2 percent brown (7.5YR 4/4) medium distinct irregular mottles; moderate medium subangular blocky structure; soft, very friable, noncoherent, nonsticky, nonplastic; many (6.0) very fine roots and common (2.0) fine and medium roots; common (2.0) very fine interstitial and common (2.0) very fine tubular pores; 55 percent by volume nonflat 2-39-75 millimeter unspecified fragments observed by visual inspection method; slightly acid, pH 6.5, hellige-truog; abrupt wavy boundary. estimate 13% clay
    R—46 to 200 centimeters (18.1 to 78.7 inches); bedrock; fragments. Hard granitic rock