IDENTIFIERS

  • Current Taxon Name (Soil Name): Whiterock
  • OSD
  • Series Extent
  • User Site ID: S1982CA067003
  • User Pedon ID: 82CA067003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 83P0293
  • NCSS Pedon Lab Data NASIS Record ID - 52535
  • Print Date: 11/26/2024

    • 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: 38.6272240
  • Std. Longitude: -121.0958328
  • Datum: WGS84
  • Location Description: 1300 feet w of junction of Whiterock Rd. and Old Placerville Rd. 504 feet N of Whiterock Rd 4.3 mi SW of Clarksville
  • State: California
  • County: CA067—Sacramento
  • MLRA: 18—Sierra Nevada Foothills

    • PEDON

  • Describers Name: John Wright, Bill Reed, Arlene Tugel
  • Current Taxonomic Class: Loamy, mixed, superactive, nonacid, thermic Lithic Xerorthents
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Whiterock
  • PSC - 0 to 20 cm.
  • Classificaton Date - 11/11/2018
  • Classifier - Andrew Paolucci
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Whiterock
  • Taxonomic Class - Loamy, mixed, acid, thermic Lithic Xerorthent
  • Taxon Kind - series
  • Classificaton Date - 9/1/1982
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Runoff: low
  • Drainage Class: excessively
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1982 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    7

    —

    —

    120

    —

    225

    61

    —

    —

    16

    25

    7

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 3 centimeters (0.0 to 1.2 inches); brown (10YR 4/3) interior, pale brown (10YR 6/3) interior, dry; loam; 40 percent sand; 42 percent silt; 18 percent clay; weak fine platy structure; slightly hard, friable, nonsticky, nonplastic; 5.0 very fine and fine roots; 2.5 very fine and fine tubular and 2.5 very fine interstitial pores; 10 percent by volume 2-39-75 millimeter mixed fragments; very strongly acid, pH 5.0, hellige-truog; abrupt smooth boundary. Lab sample # 83P01325. 1/4 inch thick mat of decomposed litter at surface.; common to many very fine and fine roots
    A2—3 to 20 centimeters (1.2 to 7.9 inches); brown (10YR 4/3) interior, very pale brown (10YR 7/3) interior, dry; loam; 44 percent sand; 39 percent silt; 17 percent clay; massive; slightly hard, friable, slightly sticky, nonplastic; 2.5 very fine roots; 2.5 very fine tubular and 0.5 very fine interstitial pores; 10 percent by volume 2-39-75 millimeter mixed fragments; strongly acid, pH 5.4, hellige-truog; abrupt irregular boundary. Lab sample # 83P01326. common very fine roots
    R—20 to 30 centimeters (7.9 to 11.8 inches); unknown texture; 2.5 very fine roots; fragments. Lab sample # 83P01327. Highly fractured and vertically tilted meta sedimentary rock; fractures 1/4 to 1 to 1/2 inches apart.; common very fine roots