IDENTIFIERS

  • Current Taxon Name (Soil Name): HUICHICA
  • OSD
  • Series Extent
  • User Site ID: S1961CA097007
  • User Pedon ID: S1961CA097007
  • Vegetation Plot ID: S1961CA097007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2849
  • NCSS Pedon Lab Data NASIS Record ID - 37428
  • Print Date: 4/28/2025

    • 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: 38.5194435
  • Std. Longitude: -122.7949982
  • Datum: WGS84
  • Township: 8N
  • Range: 8W
  • Section: 19
  • PLSS Details: SE1/4, SW1/4, 480 feet east and 220 feet north of the southwest corner
  • Location Description: Loamite Company. In field 930 feet southwest of railroad track, site spotted on photo No. CSH-2BB-183.
  • State: California
  • County: CA097—Sonoma
  • MLRA: 14—Central California Coastal Valleys
  • Non-MLRA Soil Survey Area: CA097—Sonoma County, California

    • PEDON

  • Describers Name: Reuben Nelson, Leo C. Klameth, V. C. Miller, G. Lambert, J. H. Kashiwagi, F. Graham.
  • Current Taxonomic Class: Fine-loamy, mixed, thermic Abruptic Haplic Durixeralfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - HUICHICA
  • PSC - 58 to 76 cm.
  • Classificaton Date - 7/16/2007
  • Sampled As Information:
  • Soil Name - Huichica
  • Classificaton Date - 6/23/1961
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Runoff: low
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/23/1961 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    QUERC

    Quercus

    oak

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    —

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    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

    —

    —

    34

    —

    737

    —

    —

    14.4

    20

    7.8

    —

    —

    —

    —

    —

    —

    —

    —
    A22—; light gray (10YR 7/1), grayish brown (10YR 5/2), moist; fragments; abrupt wavy boundary. Lab sample # 40A22493. Not sampled. Ashy cap, 2-3 mm. thick.
    A11—0 to 18 centimeters (0.0 to 7.1 inches); light brownish gray (10YR 6/2), brown (10YR 4/3), moist; loam; 3 percent yellowish brown (10YR 5/4) medium distinct mottles; massive; slightly hard, friable, slightly sticky, slightly plastic; 21.0 very fine and fine roots; 21.0 very fine and fine tubular pores; worm casts; fragments; strongly acid, pH 5.5, unspecified; gradual wavy boundary. Lab sample # 40A22490
    A12—18 to 36 centimeters (7.1 to 14.2 inches); pale brown (10YR 6/3) and brown (10YR 5/3), brown (10YR 4/3), moist; loam; massive; hard when dry, friable, slightly sticky, slightly plastic; 21.0 very fine and fine roots; 21.0 very fine and fine interstitial and tubular pores; light gray (10YR 7/1), moist, coats on sand and gravel; worm casts; fragments; strongly acid, pH 5.5, unspecified; clear wavy boundary. Lab sample # 40A22491
    A21—36 to 58 centimeters (14.2 to 22.8 inches); light gray (10YR 7/2), brown (10YR 5/3), moist; sandy clay loam; 21 percent brown (10YR 5/3) fine faint mottles; massive; hard when dry, friable, slightly sticky, slightly plastic; 21.0 very fine and fine roots; 21.0 very fine and fine interstitial and tubular pores; worm casts; fragments; strongly acid, pH 5.3, unspecified; abrupt wavy boundary. Lab sample # 40A22492
    B2t—58 to 76 centimeters (22.8 to 29.9 inches); light brownish gray (10YR 6/2), very dark grayish brown (10YR 3/2), moist; clay; weak coarse columnar structure; extremely hard, very firm, very sticky, very plastic; 21.0 very fine roots throughout; 21.0 very fine and fine interstitial and tubular pores; clay films on faces of peds and clay bridges between sand grains and clay films in root channels and/or pores; fragments; moderately acid, pH 6.0, unspecified; abrupt irregular boundary. Lab sample # 40A22494. Top and sides of columns coated with ashy gray films.; continuous - phpvsfiid 187257; continuous - phpvsfiid 187258; continuous - phpvsfiid 187259; continuous - phpvsfiid 187257; continuous - phpvsfiid 187258; continuous - phpvsfiid 187259
    C1m—76 to 91 centimeters (29.9 to 35.8 inches); pale yellow (2.5Y 8/2), brown (10YR 4/3), moist; sandy loam; light olive brown (2.5Y 5/4) mottles; massive; very hard, firm, weakly cemented, slightly sticky, nonplastic; 0.5 fine roots; 3.0 very fine interstitial and 3.0 fine tubular pores; clay films in root channels and/or pores and clay bridges; fragments; moderately alkaline, pH 8.0, unspecified; gradual irregular boundary. Lab sample # 40A22495. continuous - phpvsfiid 187260; continuous - phpvsfiid 187261; continuous - phpvsfiid 187260; continuous - phpvsfiid 187261
    IIC2m—91 to 119 centimeters (35.8 to 46.9 inches); pale yellow (2.5Y 8/2), brown (10YR 4/3), moist; loamy sand; 3 percent strong brown (7.5YR 5/6) fine distinct mottles; massive parts to moderate subangular blocky; very hard, firm, nonsticky, nonplastic; 3.0 very fine and fine interstitial pores; clay films on faces of peds; fragments; moderately alkaline, pH 8.0, unspecified; clear wavy boundary. Lab sample # 40A22496. Varied weak to strong indurations of soil material; (manganese) stains concentrated in fissures.; continuous - phpvsfiid 187249; continuous - phpvsfiid 187249
    IIIC3m—119 to 145 centimeters (46.9 to 57.1 inches); very pale brown (10YR 8/2), grayish brown (10YR 5/2), moist; sandy clay loam; 3 percent strong brown (7.5YR 5/6) fine distinct and 3 percent yellowish brown (10YR 5/4) fine faint mottles; massive parts to weak subangular blocky; very hard, firm, slightly sticky, slightly plastic; strong brown (7.5YR 5/6), moist, clay films on faces of peds; fragments; slightly alkaline, pH 7.5, unspecified. Lab sample # 40A22497. continuous - phpvsfiid 187250; continuous - phpvsfiid 187250