IDENTIFIERS

  • Current Taxon Name (Soil Name): Hillgate
  • OSD
  • Series Extent
  • User Site ID: S1991CA011001
  • User Pedon ID: 91CA011001
  • Vegetation Plot ID: S1991CA011001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0758
  • NCSS Pedon Lab Data NASIS Record ID - 63797
  • 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: 39.2874985
  • Std. Longitude: -122.4722214
  • Datum: WGS84
  • Township: 17N
  • Range: 5W
  • Section: 31
  • Location Description: Lodoga 15 minute Quad.
  • State: California
  • County: CA011—Colusa
  • MLRA: 15—Central California Coast Range

    • PEDON

  • Describers Name: Joe Jahnke and Wayne Sheldon
  • Current Taxonomic Class: Fine-loamy, mixed, mesic Haplic Palexeralfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Hillgate
  • PSC - 8 to 58 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Contra Costa T
  • Classificaton Date - 5/1/1991
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: hills
  • Landform: playa or alluvial flat
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1991 (actual site observation date)
  • Microrelief Elevation: 1
  • 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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    BRMO2

    BRRU2

    PHTUS

    Bromus mollis

    Bromus rubens

    Phalaris tuberosa var. stenoptera

    —

    red brome

    —

    —

    —

    —

    —

    —

    —

    —

    —

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

    ochric epipedon

    argillic horizon

    0—25

    8—114

    —-

    —-
    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

    4

    —

    —

    480

    —

    180

    51

    —

    —

    15

    23

    7

    17

    24

    9

    —

    —

    —

    2640

    —
    A1—0 to 3 centimeters (0.0 to 1.2 inches); brown (7.5YR 5/4) exterior, brown (7.5YR 4/4) exterior, moist; loam; 24 percent clay; moderate medium platy structure; slightly hard, very friable, slightly sticky, moderately plastic; 5.5 very fine roots throughout and 0.5 fine roots throughout; 2.5 very fine tubular and 2.5 very fine interstitial pores; fragments; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 91P04324; dry when described;. few fine roots throughout; many very fine roots throughout
    A2—3 to 8 centimeters (1.2 to 3.1 inches); brown (7.5YR 5/4) exterior, brown (7.5YR 4/4) exterior, moist; loam; 26 percent clay; strong coarse platy structure; slightly hard, very friable, slightly sticky, moderately plastic; 5.5 very fine roots throughout and 0.5 fine roots throughout; 2.5 very fine tubular and 2.5 very fine interstitial pores; fragments; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 91P04325; dry when described;. few fine roots throughout; many very fine roots throughout
    Bt1—8 to 23 centimeters (3.1 to 9.1 inches); strong brown (7.5YR 5/6) exterior, strong brown (7.5YR 4/6) exterior, moist; clay; 42 percent clay; strong coarse prismatic structure; very hard, very firm, very sticky, very plastic; 5.5 very fine roots throughout and 0.5 fine roots throughout; 2.5 very fine tubular and 0.5 fine tubular pores; 37 percent distinct clay films on faces of peds and in pores; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 91P04326; dry when described;. common clay films surface features on faces of peds and in pores; few fine roots throughout; many very fine roots throughout; continuous - phpvsfiid 226978; continuous - phpvsfiid 226978
    Bt2—23 to 56 centimeters (9.1 to 22.0 inches); strong brown (7.5YR 5/6) exterior, strong brown (7.5YR 4/6) exterior, moist; clay; 47 percent clay; strong medium prismatic, and moderate medium angular blocky structure; very hard, very firm, very sticky, very plastic; 2.5 very fine roots throughout; 2.5 very fine tubular pores; 55 percent distinct , moist, clay films on faces of peds and in pores; fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # 91P04327; moist when described;. many clay films surface features on faces of peds and in pores; common very fine roots throughout; continuous - phpvsfiid 226979; continuous - phpvsfiid 226979
    Bt3—56 to 74 centimeters (22.0 to 29.1 inches); strong brown (7.5YR 5/6) exterior, strong brown (7.5YR 4/6) exterior, moist; cobbly clay loam; 38 percent clay; moderate medium angular blocky structure; hard, firm, very sticky, moderately plastic; 0.5 very fine roots throughout; 0.5 very fine tubular pores; 55 percent distinct , moist, clay films on faces of peds and in pores; 5 percent by volume 2-39-75 millimeter metamorphic, unspecified fragments and 10 percent by volume 75-162-250 millimeter metamorphic, unspecified fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # 91P04328; moist when described;. many clay films surface features on faces of peds and in pores; few very fine roots throughout; continuous - phpvsfiid 226980; continuous - phpvsfiid 226980
    Bt4—74 to 94 centimeters (29.1 to 37.0 inches); reddish yellow (7.5YR 6/6) exterior, strong brown (7.5YR 4/6) exterior, moist; clay loam; 36 percent clay; moderate medium angular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 very fine roots throughout; 0.5 very fine tubular pores; 37 percent distinct , moist, clay films on faces of peds and in pores; 5 percent by volume 2-39-75 millimeter metamorphic, unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 91P04329; moist when described;. common clay films surface features on faces of peds and in pores; few very fine roots throughout; continuous - phpvsfiid 234176; continuous - phpvsfiid 234176
    Bt5—94 to 114 centimeters (37.0 to 44.9 inches); reddish yellow (7.5YR 6/6) exterior, strong brown (7.5YR 4/6) exterior, moist; clay loam; 34 percent clay; moderate fine angular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 very fine roots throughout; 0.5 very fine tubular pores; 37 percent distinct , moist, clay films on faces of peds and in pores; 5 percent by volume 2-39-75 millimeter metamorphic, unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 91P04330; moist when described;. common clay films surface features on faces of peds and in pores; few very fine roots throughout; continuous - phpvsfiid 234177; continuous - phpvsfiid 234177
    BCt—114 to 155 centimeters (44.9 to 61.0 inches); reddish yellow (7.5YR 6/6) exterior, strong brown (7.5YR 5/6) exterior, moist; clay loam; 30 percent clay; weak medium angular blocky structure; slightly hard, very friable, moderately sticky, moderately plastic; 0.5 very fine roots throughout; 0.5 very fine tubular pores; 37 percent distinct , moist, clay films on faces of peds and in pores; fragments; slightly acid, pH 6.5, hellige-truog. Lab sample # 91P04331; moist when described;. common clay films surface features on faces of peds and in pores; few very fine roots throughout; continuous - phpvsfiid 234178; continuous - phpvsfiid 234178
    155 to 180 centimeters (61.0 to 70.9 inches);, strong brown (7.5YR 5/6) exterior, moist; clay loam; fragments. Lab sample # 91P04332
    180 to 193 centimeters (70.9 to 76.0 inches);, strong brown (7.5YR 4/6) exterior, moist; clay loam; fragments. Lab sample # 91P04333