IDENTIFIERS

  • Current Taxon Name (Soil Name): Kolob
  • OSD
  • Series Extent
  • User Site ID: S1970UT053010
  • User Pedon ID: S1970UT053010
  • Vegetation Plot ID: S1970UT053010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 70C0055
  • 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: 37.3858337
  • Std. Longitude: -112.9977798
  • Datum: WGS84
  • Township: 39S
  • Range: 10W
  • Section: 30
  • PLSS Details: 1 mile east of Lava Point in Zion National Park. In S W 1/4 of the S E 1/4
  • State: Utah
  • County: UT053—Washington
  • Non-MLRA Soil Survey Area: UT641—Washington County Area, Utah
  • PEDON

  • Describers Name: Vear L. Mortensen
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 10
  • Sampled As Information:
  • Soil Name - Kolob
  • PSC - 25 to 75 cm.
  • Classificaton Date - 1/9/1970
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: mountain slope
  • Drainage Class: well
  • Bedrock: limestone, unspecified at 132cm
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/9/1970 (actual site observation date)
  • Surface Cover Properties:
  • 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

    ACHIL

    Achillea

    yarrow

    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

    2195

    457

    15.6

    21.1

    O1—0 to 8 centimeters (0.0 to 3.1 inches); fragments. Lab sample # 70C00330. oak leaves and twigs (not sampled).
    A2—8 to 10 centimeters (3.1 to 3.9 inches); fragments. decayed leaves and twigs (not sampled).
    A1—10 to 15 centimeters (3.9 to 5.9 inches); dark reddish brown (5YR 2/2), dark brown (7.5YR 3/2), dry; silt loam; moderate medium granular structure; hard, friable, moderately sticky, moderately plastic; 0.5 medium and coarse roots and 21.0 fine roots; fragments; slightly alkaline, pH 7.6, bromthymol blue; clear smooth boundary. Lab sample # 70C00330
    B1t—15 to 25 centimeters (5.9 to 9.8 inches); dark brown (7.5YR 3/2), brown (7.5YR 4/2), dry; clay loam; moderate medium subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.5 fine and medium roots and coarse roots; 3.0 very fine and fine and 0.5 medium interstitial pores; 10 percent clay films; fragments; slightly alkaline, pH 7.8, unspecified; clear smooth boundary. Lab sample # 70C00331
    B21t—25 to 46 centimeters (9.8 to 18.1 inches); dark reddish brown (5YR 3/3), reddish brown (5YR 5/3), dry; clay loam; strong medium subangular blocky structure; extremely hard, extremely firm*, very sticky, very plastic; 0.5 fine and medium roots; 3.0 very fine and fine and 0.5 medium tubular pores; 30 percent clay films on faces of peds; 15 percent by volume 2-39-75 millimeter unspecified fragments; slightly alkaline, pH 7.6, bromthymol blue; gradual wavy boundary. Lab sample # 70C00332
    B22t—46 to 71 centimeters (18.1 to 28.0 inches); reddish brown (5YR 4/3), reddish brown (5YR 5/4), dry; gravelly clay loam; moderate medium subangular blocky structure; very hard, very firm, very sticky, very plastic; 0.5 fine and medium roots and coarse roots; 3.0 very fine and fine and 0.5 medium interstitial pores; 30 percent clay films on faces of peds; 40 percent by volume 2-39-75 millimeter unspecified fragments; slightly alkaline, pH 7.8, unspecified; clear wavy boundary. Lab sample # 70C00333
    B23t—71 to 99 centimeters (28.0 to 39.0 inches); dark brown (7.5YR 3/4), reddish brown (5YR 5/4), dry; very gravelly clay loam; moderate fine subangular blocky structure; very hard, firm, very sticky, very plastic; 0.5 fine and medium roots; 3.0 very fine and 0.5 fine interstitial pores; 30 percent clay films on faces of peds; 70 percent by volume 2-?-250 millimeter unspecified fragments; moderately alkaline, pH 8.0, thymol-blue; clear smooth boundary. Lab sample # 70C00334
    B24t—99 to 132 centimeters (39.0 to 52.0 inches); brown (7.5YR 4/4), brown (7.5YR 5/4), dry; very gravelly clay loam; moderate fine subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 fine roots; 0.5 very fine and fine pores; 10 percent clay films; 70 percent by volume 2-?-250 millimeter unspecified fragments; moderately alkaline, pH 8.0, thymol-blue. Lab sample # 70C00335
    R—132 to 200 centimeters (52.0 to 78.7 inches); bedrock; limestone, unspecified fragments.