IDENTIFIERS

  • Current Taxon Name (Soil Name): Rob Roy
  • OSD
  • Series Extent
  • User Site ID: S1972UT021002
  • User Pedon ID: S1972UT021002
  • Vegetation Plot ID: S1972UT021002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 72C0129
  • NCSS Pedon Lab Data NASIS Record ID - 44063
  • Print Date: 11/24/2024

    • LOCATION

  • Township: 31S
  • Range: 7W
  • Section: 24
  • PLSS Details: NW 1/4
  • Location Description: 250 feet up the hillside on southwest side of gully; Fremont Wash Area
  • State: Utah
  • County: UT021—Iron
  • MLRA: 28A—Ancient Lake Bonneville
  • Non-MLRA Soil Survey Area: UT645—Manti-Lasal National Forest, Manti Division - Parts of Sanpete and Emery Counties

    • PEDON

  • Describers Name: Crandall and Leishman
  • Current Taxonomic Class: Fine, mixed, frigid Typic Argixerolls
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Rob Roy
  • Classificaton Date - 7/24/2007
  • Sampled As Information:
  • Soil Name - Tn
  • Classificaton Date - 11/4/1971
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from igneous rock
  • Landform: mountain slope
  • Runoff: high
  • Drainage Class: well
  • Bedrock: igneous, unspecified
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/4/1971 (actual site observation date)
  • Air Photo ID: 12AA15744
  • 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

    ARTR2

    JUNIP

    PIED

    POA

    PURSH

    Artemisia tridentata

    Juniperus

    Pinus edulis

    Poa

    Purshia

    big sagebrush

    juniper

    twoneedle pinyon

    bluegrass

    bitterbrush

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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

    35

    —

    —

    2103

    —

    394

    —

    90

    6.9

    18

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    A1—0 to 12 centimeters (0.0 to 4.7 inches); brown (10YR 4/3), very dark grayish brown (10YR 3/2), moist; cobbly loam; moderate fine granular structure; 0.5 very fine roots and 0.5 medium roots and 3.0 fine roots; 3.0 very fine and fine interstitial pores; 13 percent by volume 2-?-76 millimeter unspecified fragments and 27 percent by volume 76-?-250 millimeter unspecified fragments. Lab sample # 72C00781. noncalcareous
    Bt21—12 to 28 centimeters (4.7 to 11.0 inches); brown (7.5YR 5/3), dark brown (7.5YR 3/3), moist; cobbly clay loam; moderate fine subangular blocky structure; 0.5 medium roots and 3.0 fine roots; 3.0 very fine and fine tubular and 0.5 medium tubular pores; 10 percent thin clay films on surfaces along pores and 10 percent thin clay films on all faces of peds; 7 percent by volume 2-?-76 millimeter unspecified fragments and 17 percent by volume 76-?-250 millimeter unspecified fragments. Lab sample # 72C00782. noncalcareous
    Bt22—28 to 53 centimeters (11.0 to 20.9 inches); brown (7.5YR 5/3), brown (7.5YR 4/3), moist; gravelly clay loam; strong coarse angular blocky structure; 0.5 fine and medium roots; 3.0 very fine and fine tubular and 0.5 micro tubular and 0.5 medium tubular pores; 75 percent thick clay films on all faces of peds and 75 percent thick clay films on surfaces along pores; 13 percent by volume 76-?-250 millimeter unspecified fragments and 13 percent by volume 2-?-76 millimeter unspecified fragments. Lab sample # 72C00783. noncalcareous
    B3—53 to 66 centimeters (20.9 to 26.0 inches); brown (7.5YR 5/3), brown (7.5YR 4/3), moist; gravelly clay loam; weak fine subangular blocky structure; 0.5 very fine and fine roots; 3.0 very fine and fine tubular pores; 5 percent by volume 76-?-250 millimeter unspecified fragments and 33 percent by volume 2-?-76 millimeter unspecified fragments. Lab sample # 72C00784. noncalcareous
    R—66 centimeters (26.0 inches); bedrock; fragments. fractured intermediate igneous bedrock