IDENTIFIERS

  • Current Taxon Name (Soil Name): COONHOLLOW
  • OSD
  • Series Extent
  • User Site ID: 552W
  • User Pedon ID: 552W
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 01N0261
  • NCSS Pedon Lab Data NASIS Record ID - 14535
  • 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: 39.5882083
  • Std. Longitude: -121.5709667
  • Datum: WGS84
  • Township: 20N.
  • Range: 4E.
  • Section: 18
  • PLSS Details: approximately 1750 feet east and 1800 feet north of the southwest corner
  • Location Description: about 5.1 miles north of downtown Oroville
  • Map Unit: 356—Coalcanyon-Rock outcrop, cliffs-Talus-Coonhollow , 30 to 200 percent slopes
  • State: California
  • County: CA007—Butte
  • MLRA: 18—Sierra Nevada Foothills
  • Non-MLRA Soil Survey Area: CA612—Butte Area, California, Parts of Butte and Plumas Counties
  • 7.5 Minute USGS Quad: 39121-E5—Oroville, California

    • PEDON

  • Describers Name: Brad Rust
  • Current Taxonomic Class: Loamy-skeletal, parasesquic, thermic Pachic Ultic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - COONHOLLOW
  • PSC - 28 to 79 cm.
  • Classificaton Date - 7/24/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - COONHOLLOW
  • Classificaton Date - 10/31/2000
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium
  • Landform: canyon
  • Hill Slope Profile: backslope
  • Bedrock: basalt at 127cm
  • Geology: Lovejoy Basalt formation.
  • Surface Fragments: 10.00 percent nonflat subangular 75- to 250-millimeter basalt,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/31/2000 (actual site observation date)
  • Air Photo ID: 155-56
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    bedrock, lithic

    —

    —

    114 - 127

    127 -

    - 13 -

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

    mollic epipedon

    argillic horizon

    paralithic contact

    lithic contact

    0—28

    28—114

    114—127

    127—

    —28—

    —86—

    —13—

    —-
    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

    45

    —

    —

    311

    —

    320

    813

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); brown (7.5YR 4/3), dark brown (7.5YR 3/2), moist; gravelly loam; 16 percent clay; weak fine granular structure; soft, very friable, nonsticky, nonplastic; 7.0 fine roots throughout; 7.0 fine interstitial pores; 10 percent by volume nonflat 75-?-250 millimeter basalt fragments and 15 percent by volume nonflat 2-?-75 millimeter basalt fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 1P1557; moist when described;
    ABt—8 to 28 centimeters (3.1 to 11.0 inches); brown (7.5YR 4/3), dark reddish brown (5YR 3/3), moist; very cobbly loam; 19 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 4.0 fine and medium roots throughout and 0.8 coarse roots between peds; 4.0 fine interstitial and 0.8 fine tubular pores; 10 percent distinct clay films on surfaces along pores; 15 percent by volume nonflat 2-?-75 millimeter basalt fragments and 30 percent by volume nonflat 75-?-250 millimeter basalt fragments; neutral, pH 7.0, hellige-truog; gradual wavy boundary. Lab sample # 1P1558; moist when described;. discontinuous - phpvsfiid 207863; discontinuous - phpvsfiid 207863
    Bt1—28 to 56 centimeters (11.0 to 22.0 inches); brown (7.5YR 4/3), dark reddish brown (5YR 3/3), moist; very cobbly loam; 23 percent clay; moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, slightly plastic; 4.0 very coarse roots throughout and 4.0 fine roots throughout; 4.0 medium interstitial and 4.0 fine tubular pores; 20 percent distinct clay films on surfaces along pores; 15 percent by volume nonflat 2-?-75 millimeter basalt fragments and 40 percent by volume nonflat 75-?-250 millimeter basalt fragments; neutral, pH 6.8, hellige-truog; clear wavy boundary. Lab sample # 1P1559; moist when described;. discontinuous - phpvsfiid 207864; discontinuous - phpvsfiid 207864
    Bt2—56 to 81 centimeters (22.0 to 31.9 inches); brown (7.5YR 4/3), dark reddish brown (5YR 3/3), moist; extremely cobbly loam; 26 percent clay; moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 0.8 very fine roots between peds and 0.8 very coarse roots throughout and 4.0 fine roots between peds; 4.0 medium tubular pores; 35 percent distinct clay films on surfaces along pores; 15 percent by volume nonflat 2-?-75 millimeter basalt fragments and 50 percent by volume nonflat 75-?-250 millimeter basalt fragments; slightly acid, pH 6.5, hellige-truog; clear wavy boundary. Lab sample # 1P1560; moist when described;. discontinuous - phpvsfiid 207865; discontinuous - phpvsfiid 207865
    Bt3—81 to 114 centimeters (31.9 to 44.9 inches); brown (7.5YR 5/3), brown (7.5YR 4/3), moist; extremely cobbly clay loam; 29 percent clay; moderate medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 4.0 very coarse roots throughout and 4.0 medium roots between peds and 0.8 fine roots between peds; 4.0 medium tubular pores; 45 percent distinct clay films on surfaces along pores; 20 percent by volume nonflat 2-?-75 millimeter basalt fragments and 55 percent by volume nonflat 75-?-250 millimeter basalt fragments; slightly acid, pH 6.5, hellige-truog; clear wavy boundary. Lab sample # 1P1561; moist when described;. discontinuous - phpvsfiid 207866; discontinuous - phpvsfiid 207866
    Cr—114 to 127 centimeters (44.9 to 50.0 inches); bedrock; fragments; abrupt wavy boundary. Lab sample # 1P1562
    R—127 centimeters (50.0 inches); bedrock; fragments.