IDENTIFIERS

  • Current Taxon Name (Soil Name): ESQUON
  • OSD
  • Series Extent
  • User Site ID: 95CA612002
  • User Pedon ID: 95CA612002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 95P0511
  • NCSS Pedon Lab Data NASIS Record ID - 67529
  • Print Date: 11/24/2024
  • 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: 39.4932101
  • Std. Longitude: -121.7188348
  • Datum: WGS84
  • Location Description: 2150' E and 100' S of NW corner of modal site 523, T19N, R2E
  • Map Unit: 520—Esquon-Neerdobe , 0 to 1 percent slopes
  • State: California
  • County: CA007—Butte
  • MLRA: 17—Sacramento and San Joaquin Valleys
  • Non-MLRA Soil Survey Area: CA612—Butte Area, California, Parts of Butte and Plumas Counties
  • 7.5 Minute USGS Quad: 39121-D6—Biggs, California
  • PEDON

  • Describers Name: DWB, AEC, BG
  • Current Taxonomic Class: Fine, smectitic, thermic Xeric Epiaquerts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - ESQUON
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/24/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - aquic
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Esquon
  • Classificaton Date - 5/3/1995
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: basin
  • Landform: basin floor
  • Anthropogenic Feature: leveled land
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: rare flooding for brief periods begining in jan
  • Ponding: frequent ponding for long periods begining in jan
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/3/1995 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - close-grown crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    duripan

    indurated

    142 - 170

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

    ochric epipedon

    slickensides

    cambic horizon

    mottles with chroma 2 or less

    calcic horizon

    duripan

    0—13

    13—124

    13—142

    28—117

    89—142

    142—170

    —-

    —-

    —-

    —-

    —-

    —-

    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

    33

    225

    483

    16.1

    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark gray (10YR 4/1), dark grayish brown (10YR 4/2), dry; clay; 47 percent clay; moderate medium prismatic parts to weak fine granular structure; firm, slightly sticky, very plastic; 3.0 very fine and fine roots; 21.0 fine interstitial pores; fragments; negative to alpha-alpha dipyridyl; noneffervescent; slightly acid, pH 6.4, hellige-truog; abrupt smooth boundary. Lab sample # 95P3870
    Bssg—13 to 28 centimeters (5.1 to 11.0 inches); dark gray (10YR 4/1), dark grayish brown (10YR 4/2), dry; clay; 45 percent clay; moderate medium prismatic parts to weak fine angular blocky structure; firm, slightly sticky, very plastic; 0.5 very fine and fine roots; 0.5 very fine tubular pores; 10 percent slickensides (pedogenic); 5 percent fine spherical black (N 2/0), dry, iron-manganese concretions throughout and 10 percent fine irregular black (N 2/0), dry, manganese masses throughout and 25 percent fine irregular dark brown (7.5YR 3/4), dry, masses of oxidized iron throughout; fragments; negative to alpha-alpha dipyridyl; noneffervescent; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary. Lab sample # 95P3871
    Bss1—28 to 56 centimeters (11.0 to 22.0 inches); dark grayish brown (10YR 4/2), dark grayish brown (10YR 4/2), dry; clay; 44 percent clay; moderate coarse prismatic parts to moderate fine angular blocky structure; firm, very plastic; 0.5 very fine roots; 0.5 very fine tubular pores; 10 percent slickensides (pedogenic); 10 percent fine irregular dark gray (10YR 4/1), dry, iron depletions throughout and 10 percent fine spherical black (N 2/0), dry, manganese masses throughout and 10 percent fine irregular masses of oxidized iron throughout and 25 percent fine irregular brown (10YR 4/3), dry, masses of oxidized iron throughout; 1 percent by volume subrounded 2-5-75 millimeter chert fragments; negative to alpha-alpha dipyridyl; noneffervescent; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 95P3872
    Bss2—56 to 89 centimeters (22.0 to 35.0 inches); brown (10YR 4/3), brown (10YR 4/3), dry; clay; 44 percent clay; moderate medium prismatic parts to weak fine angular blocky structure; very firm, very plastic; 0.5 very fine roots; 3.0 very fine tubular pores; 10 percent slickensides (pedogenic); 1 percent fine spherical black (N 2/0), dry, iron-manganese nodules throughout and 10 percent fine threadlike dark gray (10YR 4/1), dry, iron depletions throughout; 1 percent by volume subrounded 2-5-75 millimeter chert fragments; negative to alpha-alpha dipyridyl; noneffervescent; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. Lab sample # 95P3873
    Bkss1—89 to 117 centimeters (35.0 to 46.1 inches); brown (10YR 4/3), brown (10YR 5/3), dry; clay; 41 percent clay; weak fine prismatic parts to weak fine angular blocky structure; firm, very plastic; 3.0 very fine tubular pores; 10 percent slickensides (pedogenic); 10 percent fine threadlike gray (10YR 5/1), dry, iron depletions throughout; gray (10YR 5/1) carbonate, finely disseminated; 1 percent by volume subrounded 2-5-75 millimeter chert fragments; negative to alpha-alpha dipyridyl; slight effervescence; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 95P3874
    Bkss2—117 to 127 centimeters (46.1 to 50.0 inches); brown (10YR 4/3), brown (10YR 5/3), dry; clay loam; 42 percent clay; weak fine angular blocky structure; firm, very plastic; 3.0 very fine tubular and 0.5 fine tubular pores; 10 percent slickensides (pedogenic); 1 percent fine spherical black (N 2/0), dry, iron-manganese concretions throughout; carbonate, finely disseminated; fragments; negative to alpha-alpha dipyridyl; slight effervescence; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary. Lab sample # 95P3875
    Bk—127 to 142 centimeters (50.0 to 55.9 inches); brown (10YR 4/3), light yellowish brown (10YR 6/4), dry; clay loam; 25 percent clay; weak fine subangular blocky structure; rigid; 3.0 very fine tubular pores; iron depletions in cracks and 1 percent fine spherical iron-manganese concretions throughout and 1 percent fine spherical black (N 2/0), dry, iron-manganese concretions throughout and 5 percent fine spherical black (N 2/0), dry, iron-manganese concretions throughout and 10 percent fine irregular black (N 2/0), dry, manganese masses throughout and 25 percent fine irregular dark brown (7.5YR 3/4), dry, masses of oxidized iron throughout; 10 percent fine threadlike carbonate threads; fragments; negative to alpha-alpha dipyridyl; slight effervescence; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary. Lab sample # 95P3876
    2Bkqm—142 to 170 centimeters (55.9 to 66.9 inches); brown (10YR 4/3), very pale brown (10YR 7/4), dry; sandy clay loam; 18 percent clay; massive; rigid; 3.0 very fine tubular pores; 20 percent fine threadlike carbonate masses throughout; 5 percent by volume subrounded 2-5-75 millimeter chert fragments; negative to alpha-alpha dipyridyl; noneffervescent; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 95P3877