IDENTIFIERS

  • Current Taxon Name (Soil Name): Wallrock
  • OSD
  • Series Extent
  • User Site ID: S1992UT009006
  • User Pedon ID: 92UT009006
  • Vegetation Plot ID: S1992UT009006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0358
  • NCSS Pedon Lab Data NASIS Record ID - 64597
  • Print Date: 11/11/2024
  • 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: 40.8916664
  • Std. Longitude: -109.9372253
  • Datum: WGS84
  • Township: 2N
  • Range: 18E
  • Section: 19
  • PLSS Details: 1400 feet W and 2100 feet N of the SE corner
  • State: Utah
  • County: UT009—Daggett
  • MLRA: 47—Wasatch and Uinta Mountains
  • Non-MLRA Soil Survey Area: UT648—Ashley National Forest Area, Utah
  • PEDON

  • Describers Name: R.G., R.L., L.S.
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 6
  • Sampled As Information:
  • Soil Name - Wallrock
  • Taxonomic Class - Fine, montmorillonitic Argiaquic Cryoborolls
  • PSC - 25 to 100 cm.
  • Classificaton Date - 12/2/1991
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: valley
  • Landform: playa
  • Geomorphic Component Hills: side slope
  • Slope Position: middle third
  • Slope Shape Across: convex
  • Runoff: very low
  • Drainage Class: somewhat poorly
  • Bedrock: with <10
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/2/1991 (actual site observation date)
  • Air Photo ID: 2
  • 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

    CAREX

    POTEN

    Carex

    Potentilla

    sedge

    cinquefoil

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

    mollic epipedon

    argillic horizon

    0—41

    10—163

    —-

    —-

    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

    37

    2731

    45

    305

    5

    7.8

    6.1

    7.2

    A—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; silty clay; 41 percent clay; 3 percent reddish brown (5YR 4/4) fine prominent mottles; moderate fine and medium subangular blocky structure; slightly hard, very friable, moderately sticky, moderately plastic; very slow permeability; 21.0 very fine and fine roots; 21.0 very fine and fine tubular pores; fragments; moderately acid, pH 5.8, chlorophenol red; abrupt wavy boundary. Lab sample # 92P02190; moist when described;
    Bt1—10 to 25 centimeters (3.9 to 9.8 inches); dark reddish brown (5YR 3/2), dark reddish gray (5YR 4/2), dry; clay; 48 percent clay; 3 percent yellowish red (5YR 5/8) fine prominent mottles; moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; very slow permeability; 21.0 very fine and fine roots; 3.0 fine tubular pores; 30 percent distinct clay films on faces of peds and in pores; fragments; moderately acid, pH 5.8, chlorophenol red; clear wavy boundary. Lab sample # 92P02191; wet when described;. discontinuous - phpvsfiid 192564; discontinuous - phpvsfiid 192564
    Bt2—25 to 41 centimeters (9.8 to 16.1 inches); dark reddish brown (5YR 3/3), reddish brown (5YR 5/3), dry; clay; 52 percent clay; 3 percent red (2.5YR 4/6) medium prominent mottles; strong medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; very slow permeability; 3.0 fine roots; 3.0 fine tubular pores; 90 percent prominent clay films on faces of peds and in pores; fragments; moderately acid, pH 5.8, chlorophenol red; gradual wavy boundary. Lab sample # 92P02192; wet when described;. continuous - phpvsfiid 192565; continuous - phpvsfiid 192565
    Btg1—41 to 61 centimeters (16.1 to 24.0 inches); 60 percent yellowish red (5YR 4/6) and 40 percent weak red (2.5YR 5/2), 60 percent reddish yellow (5YR 6/6) and 40 percent pale red (2.5YR 6/2), dry; sandy clay; 51 percent clay; 3 percent yellowish red (5YR 5/8) medium distinct mottles; strong medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; very slow permeability; 0.5 fine roots; 0.5 fine tubular pores; 90 percent prominent clay films on faces of peds and in pores; fragments; moderately acid, pH 5.8, chlorophenol red; gradual wavy boundary. Lab sample # 92P02193; wet when described;. continuous - phpvsfiid 192566; continuous - phpvsfiid 192566
    Bt3—61 to 94 centimeters (24.0 to 37.0 inches); red (2.5YR 4/6), red (2.5YR 5/6), dry; very gravelly sandy clay; 53 percent clay; 3 percent red (2.5YR 4/8) fine faint mottles; weak medium subangular blocky, and moderate fine single grain; hard, firm, moderately sticky, moderately plastic; very slow permeability; 0.5 fine roots; 0.5 fine tubular pores; 90 percent prominent clay films on faces of peds and in pores; 1 percent by volume subangular 250-425-600 millimeter unspecified fragments and 5 percent by volume subangular 75-162-250 millimeter unspecified fragments and 30 percent by volume subangular 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.8, chlorophenol red; clear smooth boundary. Lab sample # 92P02194; wet when described;. continuous - phpvsfiid 192567; continuous - phpvsfiid 192567
    Btg2—94 to 104 centimeters (37.0 to 40.9 inches); yellowish red (5YR 4/6), strong brown (7.5YR 5/6), dry; sandy clay; 47 percent clay; 21 percent strong brown (7.5YR 5/6) medium prominent and 21 percent dark grayish green (5GY 4/2) medium prominent mottles; moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; very slow permeability; 0.5 fine roots; 0.5 fine tubular pores; 30 percent distinct clay films on faces of peds and in pores; 5 percent by volume subangular 2-39-75 millimeter unspecified fragments and 5 percent by volume subangular 75-162-250 millimeter unspecified fragments; moderately acid, pH 5.8, chlorophenol red; clear wavy boundary. Lab sample # 92P02195; wet when described;. continuous - phpvsfiid 192568; continuous - phpvsfiid 192568
    Btg3—104 to 163 centimeters (40.9 to 64.2 inches); 50 percent light reddish brown (5YR 6/4) and 50 percent weak red (2.5YR 5/2), light reddish brown (5YR 6/3), dry; gravelly sandy clay; 42 percent clay; 3 percent greenish gray (5GY 6/1) fine prominent mottles; weak fine and medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; very slow permeability; 0.5 fine roots; 0.5 tubular pores; 30 percent distinct clay films on faces of peds and in pores and 30 percent distinct clay films between sand grains; 5 percent by volume subangular 75-162-250 millimeter unspecified fragments and 15 percent by volume subangular 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.2, chlorophenol red. Lab sample # 92P02196; wet when described;. continuous - phpvsfiid 192569; continuous - phpvsfiid 192570; continuous - phpvsfiid 192569; continuous - phpvsfiid 192570