IDENTIFIERS

  • Current Taxon Name (Soil Name): Atrac
  • OSD
  • Series Extent
  • User Site ID: S1982AZ017002
  • User Pedon ID: 82AZ017002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 82P0881
  • NCSS Pedon Lab Data NASIS Record ID - 51667
  • Print Date: 9/23/2024

    • 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: 35.8188896
  • Std. Longitude: -110.1483307
  • Datum: WGS84
  • Township: 28N
  • Range: 20E
  • Section: 13
  • PLSS Details: 1250 feet E and 1350 feet S of the NW corner
  • Location Description: Navajo County, Arizona. 0.5 mile NE of Keams Canyon,
  • State: Arizona
  • County: AZ017—Navajo

    • PEDON

  • Describers Name: W.D.Nettleton,R.C.Herriman,C.L.Glocker,D.M.Kriz
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Atrac
  • Taxonomic Class - Fine-loamy, mixed Ustollic Camborthids
  • Classificaton Date - 10/1/1982
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: terrace—outwash or marine
  • Runoff: 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

    —

    —

    —

    2013

    —

    30

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1A—0 to 5 centimeters (0.0 to 2.0 inches); brown (7.5YR 5/4) interior, brown (7.5YR 4/4) interior, moist; fine sandy loam; weak fine platy, and weak fine granular structure; loose, very friable, slightly sticky, slightly plastic; 5.5 very fine roots; 0.5 very fine tubular and 5.5 very fine interstitial pores; fragments; slightly alkaline, pH 7.6, cresol red; abrupt smooth boundary. Lab sample # 82P04563. many very fine roots
    1Bt1—5 to 15 centimeters (2.0 to 5.9 inches); yellowish red (5YR 5/6) interior, yellowish red (5YR 4/6) interior, moist; sandy clay loam; weak coarse prismatic, and weak medium platy, and moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 5.5 very fine roots; 2.5 very fine tubular and 5.5 very fine interstitial pores; 15 percent clay films on faces of peds; fragments; very slight effervescence, by hcl, 1n; slightly alkaline, pH 7.6, cresol red; clear smooth boundary. Lab sample # 82P04564. few clay films surface features on faces of peds; many very fine roots
    1Bt2—15 to 30 centimeters (5.9 to 11.8 inches); brown (7.5YR 5/4) interior, brown (7.5YR 4/4) interior, moist; loam; moderate prismatic, and moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 2.5 very fine roots; 2.5 very fine interstitial and 2.5 very fine tubular pores; clay bridges between sand grains; fragments; slightly alkaline, pH 7.6, cresol red; clear smooth boundary. Lab sample # 82P04565. common very fine roots
    1Btk1—30 to 46 centimeters (11.8 to 18.1 inches); brown (7.5YR 5/4) interior, brown (7.5YR 4/4) interior, moist; sandy clay loam; weak medium prismatic, and moderate medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 2.5 very fine roots; 2.5 very fine tubular pores; 15 percent clay films on faces of peds; 1 percent fine lime masses; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.6, cresol red; clear smooth boundary. Lab sample # 82P04566. few fine soft masses of lime concentrations; few clay films surface features on faces of peds; common very fine roots
    1Btk2—46 to 61 centimeters (18.1 to 24.0 inches); brown (7.5YR 5/4) interior, brown (7.5YR 4/4) interior, moist; sandy clay loam; weak medium prismatic, and moderate medium subangular blocky structure; very hard, friable, slightly sticky, moderately plastic; 2.5 very fine roots; 2.5 very fine tubular pores; 15 percent clay films on faces of peds; 11 percent fine lime masses; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, cresol red; gradual smooth boundary. Lab sample # 82P04567. common fine soft masses of lime concentrations; few clay films surface features on faces of peds; common very fine roots
    1Bk1—61 to 97 centimeters (24.0 to 38.2 inches); brown (7.5YR 5/4) interior, brown (7.5YR 4/4) interior, moist; fine sandy loam; weak medium prismatic, and moderate medium subangular blocky structure; very hard, firm, moderately sticky, slightly plastic; 2.5 very fine roots; 1.0 very fine and fine tubular pores; 11 percent lime masses; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, cresol red; clear smooth boundary. Lab sample # 82P04568. common soft masses of lime concentrations; common very fine roots
    1Bk2—97 to 147 centimeters (38.2 to 57.9 inches); brown (7.5YR 5/4) interior, brown (7.5YR 4/4) interior, moist; loam; weak medium subangular blocky structure; very hard, firm, slightly sticky, moderately plastic; 0.5 very fine roots; 2.5 very fine tubular pores; 11 percent lime masses; fragments; very slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, cresol red; abrupt smooth boundary. Lab sample # 82P04569. common soft masses of lime concentrations; few very fine roots
    2Bk3—147 to 234 centimeters (57.9 to 92.1 inches); light yellowish brown (10YR 6/4) interior, yellowish brown (10YR 5/4) interior, moist; gravelly loamy sand; massive; slightly hard, friable, nonsticky, nonplastic; 0.5 very fine roots; 11 percent fine lime masses; fragments; very slight effervescence, by hcl, 1n; slightly alkaline, pH 7.6, cresol red; abrupt smooth boundary. Lab sample # 82P04570. common fine soft masses of lime concentrations; few very fine roots
    1R—234 to 259 centimeters (92.1 to 102.0 inches); weathered bedrock; fragments. Partially weathered sandstone; not sampled.