IDENTIFIERS

  • Current Taxon Name (Soil Name): Conklin
  • OSD
  • Series Extent
  • User Site ID: 02CA601065
  • User Pedon ID: 02CA601065
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 09N0112
  • NCSS Pedon Lab Data NASIS Record ID - 20253
  • Print Date: 3/2/2025

    • 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: 40.0672222
  • Std. Longitude: -123.8236111
  • Datum: WGS84
  • Location Description: Soil is on Jon Mitchell property
  • Map Unit: 153—Conklin, 0 to 2 percent slopes
  • State: California
  • County: CA023—Humboldt
  • MLRA: 5—Siskiyou-Trinity Area
  • Non-MLRA Soil Survey Area: CA601—Humboldt County, South Part, California
  • 7.5 Minute USGS Quad: 40124-C3—Petrolia, California

    • PEDON

  • Describers Name: Jonathan W. Hooper
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, mesic Fluventic Haploxerepts
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 65
  • Correlated Information:
  • Soil Name - Conklin
  • PSC - 25 to 100 cm.
  • Classificaton Date - 11/7/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Benbow
  • Classificaton Date - 9/4/2002
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from mixed
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 5.00 percent subrounded 5- to 20-millimeter sandstone, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/4/2002 (actual site observation date)
  • Air Photo ID: 6248-24
  • Plant Association Name: pasture
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Air Temp - 26
    • 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

    1

    —

    —

    160

    —

    300

    2030

    —

    260

    14

    —

    —

    16

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 9 centimeters (0.0 to 3.5 inches); brown (10YR 4/3), very dark brown (10YR 2/2), moist; sandy loam; 15 percent clay; moderate fine granular structure; soft, very friable, nonsticky, nonplastic; Ksat of 9 um/s; moderate permeability; 4.0 very fine roots throughout; 0.5 very fine low-continuity tubular pores; 7 percent by volume nonflat rounded 5-15-30 millimeter sandstone, unspecified fragments; noneffervescent; strongly acid, pH 5.4; abrupt smooth boundary.; observed in pit, small
    Bw—9 to 28 centimeters (3.5 to 11.0 inches); brown (10YR 5/3), very dark brown (10YR 2/2), moist; sandy loam, loam; 17 percent clay; weak fine subangular blocky structure; soft, loose, nonsticky, nonplastic; Ksat of 9 um/s; moderate permeability; 2.0 very fine roots throughout; 0.5 very fine low-continuity tubular pores; 5 percent by volume nonflat rounded 5-15-30 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.6; abrupt smooth boundary.; observed in pit, small
    C1—28 to 41 centimeters (11.0 to 16.1 inches); grayish brown (2.5Y 5/2), very dark grayish brown (2.5Y 3/2), moist; sandy loam; 15 percent clay; weak fine granular structure; soft, loose, nonsticky, nonplastic; Ksat of 9 um/s; moderate permeability; 2.0 very fine roots throughout; 7 percent by volume nonflat rounded 5-15-30 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.6; abrupt smooth boundary.; observed in pit, small
    C2—41 to 60 centimeters (16.1 to 23.6 inches); light olive brown (2.5Y 5/3), very dark grayish brown (10YR 3/2), moist; sandy loam; 15 percent clay; massive; soft, very friable, nonsticky, nonplastic; Ksat of 9 um/s; moderate permeability; 3 percent by volume nonflat rounded 5-15-30 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.6; clear smooth boundary.; observed in auger, bucket
    C3—60 to 160 centimeters (23.6 to 63.0 inches); yellowish brown (10YR 5/4), brown (10YR 4/3), moist; gravelly sandy loam; 13 percent clay; single grain; loose, loose, nonsticky, nonplastic; Ksat of 9 um/s; moderate permeability; 5 percent by volume nonflat subrounded 75-100-200 millimeter sandstone, unspecified fragments and 30 percent by volume nonflat subrounded 5-15-30 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.6.; observed in auger, bucket