IDENTIFIERS

  • Current Taxon Name (Soil Name): Polacca
  • OSD
  • Series Extent
  • User Site ID: S1982AZ017007
  • User Pedon ID: 82AZ017007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 82P0886
  • NCSS Pedon Lab Data NASIS Record ID - 51672
  • Print Date: 1/30/2025

    • 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: 35.5811119
  • Std. Longitude: -110.6533356
  • Datum: WGS84
  • Township: 25N
  • Range: 16E
  • Section: 8
  • PLSS Details: 2000 feet E and 1200 feet N of the SW corner
  • Location Description: Navajo County, Arizona. 1.5 miles W of Elbow Point.
  • State: Arizona
  • County: AZ017—Navajo

    • PEDON

  • Describers Name: W.D.Nettleton,R.C.Herriman,C.L.Glocker,D.M.Kriz
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 7
  • Sampled As Information:
  • Soil Name - Polacca
  • Taxonomic Class - Fine-loamy over sandy or sandy-skeletal, mixed Typic Camborthids
  • Classificaton Date - 10/1/1982
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: terrace—stream or lake
  • Runoff: very low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1982 (actual site observation date)
  • 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
    • 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

    —

    —

    —

    1556

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    20

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    1A—0 to 5 centimeters (0.0 to 2.0 inches); light yellowish brown (10YR 6/4) interior, yellowish brown (10YR 5/4) interior, moist; clay loam; weak medium platy, and weak medium and coarse platy structure; soft, friable, moderately sticky, moderately plastic; 1.0 very fine and fine roots; 5.5 very fine vesicular and tubular pores; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, cresol red; abrupt smooth boundary. Lab sample # 82P04597. few to common very fine and fine roots
    1C1—5 to 18 centimeters (2.0 to 7.1 inches); yellowish brown (10YR 5/4) interior, dark yellowish brown (10YR 4/4) interior, moist; clay loam; weak coarse platy, and weak fine subangular blocky structure; hard, firm, very sticky, very plastic; 2.5 very fine roots; 0.5 very fine and fine tubular and 0.5 medium tubular pores; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, cresol red; clear smooth boundary. Lab sample # 82P04598. common very fine roots
    1C2—18 to 28 centimeters (7.1 to 11.0 inches); yellowish brown (10YR 5/4) interior, dark yellowish brown (10YR 4/4) interior, moist; very fine sandy loam; weak medium prismatic, and moderate medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 5.5 very fine roots and 0.5 fine and medium roots; 5.5 very fine tubular pores; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, cresol red; abrupt smooth boundary. Lab sample # 82P04599. many very fine roots; few fine and medium roots
    2Bwb—28 to 66 centimeters (11.0 to 26.0 inches); yellowish brown (10YR 5/4) interior, dark yellowish brown (10YR 4/4) interior, moist; clay loam; weak medium prismatic, and moderate medium subangular blocky structure; very hard, firm, very sticky, very plastic; 5.5 very fine roots; 2.5 very fine tubular and 5.5 very fine interstitial pores; organic stains on faces of peds; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6, cresol red; clear wavy boundary. Lab sample # 82P04600. Few stressed cutans.; many very fine roots
    3C1b—66 to 107 centimeters (26.0 to 42.1 inches); light yellowish brown (10YR 6/4) interior, yellowish brown (10YR 5/4) interior, moist; loamy fine sand; massive; soft, very friable, nonsticky, nonplastic; 0.5 very fine roots; 1.0 very fine and fine tubular pores; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6, cresol red; clear wavy boundary. Lab sample # 82P04601. few very fine roots
    3C2b—107 to 137 centimeters (42.1 to 53.9 inches); light yellowish brown (10YR 6/4) interior, yellowish brown (10YR 5/4) interior, moist; sand; massive; soft, very friable, nonsticky, nonplastic; 0.5 very fine and fine roots; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.6, cresol red. Lab sample # 82P04602. few very fine and fine roots