IDENTIFIERS

  • Current Taxon Name (Soil Name): Trujillo
  • OSD
  • Series Extent
  • User Site ID: 84CO628002
  • User Pedon ID: 84CO628002
  • Vegetation Plot ID: 84CO628002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 87P0838
  • NCSS Pedon Lab Data NASIS Record ID - 60133
  • Print Date: 12/4/2024

    • 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: 37.3256111
  • Std. Longitude: -104.7547778
  • Datum: WGS84
  • Township: 31 S.
  • Range: 66 W.
  • Section: 23
  • PLSS Details: 1150 feet east and 800 feet north of the southwest corner
  • Location Description: 1150 feet east and 800 feet north of the southwest corner of section 23, T.31S., R.66W.
  • Map Unit: TmD—Trujillo loam, 3 to 9 percent slopes
  • State: Colorado
  • County: CO071—Las Animas
  • MLRA: 49—Southern Rocky Mountain Foothills
  • Non-MLRA Soil Survey Area: CO628—Las Animas County Area, Colorado, Parts of Huerfano and Las Animas Counties
  • 7.5 Minute USGS Quad: 37104-C7—Gulnare, Colorado

    • PEDON

  • Describers Name: LAN
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, frigid Typic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 399
  • Correlated Information:
  • Soil Name - Trujillo
  • PSC - 23 to 91 cm.
  • Classificaton Date - 6/12/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Trujillo
  • Classificaton Date - 6/13/1984
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from noncalcareous sandstone
  • Landscape: foothills
  • Landform: alluvial fan
  • Hill Slope Profile: footslope
  • Slope Position: middle third
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: s sandstone, noncalcareous with <10
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/13/1984 (actual site observation date)
  • Air Photo ID: 17-I
  • Plant Association Name: Loamy Foothills
  • 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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARFR4

    BOGR2

    BRAN

    GUTIE

    PASM

    SPCR

    Artemisia frigida

    Bouteloua gracilis

    Bromus anomalus

    Gutierrezia

    Pascopyrum smithii

    Sporobolus cryptandrus

    prairie sagewort

    blue grama

    nodding brome

    snakeweed

    western wheatgrass

    sand dropseed

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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

    mollic epipedon

    argillic horizon

    0—33

    23—91

    —-

    —-
    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

    7

    —

    —

    2149

    —

    180

    508

    —

    —

    7.2

    —

    —

    6.1

    —

    —

    —

    —

    —

    —

    —
    A—0 to 23 centimeters (0.0 to 9.1 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; loam; 16 percent clay; moderate medium granular structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 10.0 very fine and fine roots; fragments; noneffervescent; neutral, pH 6.6, hellige-truog; clear smooth boundary.; dry when described;
    Bt1—23 to 33 centimeters (9.1 to 13.0 inches); dark grayish brown (10YR 4/2), dark brown (10YR 3/3), moist; loam; 24 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 10.0 very fine and fine roots; 50 percent distinct clay films on faces of peds; fragments; noneffervescent; neutral, pH 6.8, hellige-truog; clear smooth boundary.; dry when described;. continuous - phpvsfiid 110694; continuous - phpvsfiid 110694
    Bt2—33 to 51 centimeters (13.0 to 20.1 inches); dark grayish brown (10YR 4/2), brown (10YR 4/3) crushed, moist; clay loam; 28 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; moderately slow permeability; 5.0 very fine and fine roots; 45 percent distinct clay films on faces of peds; fragments; noneffervescent; neutral, pH 6.8, hellige-truog; clear smooth boundary.; moist when described;. continuous - phpvsfiid 110715; continuous - phpvsfiid 110715
    Bt3—51 to 91 centimeters (20.1 to 35.8 inches); brown (10YR 5/3), brown (10YR 4/3), moist; sandy clay loam; 26 percent clay; moderate fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 1.0 very fine and fine roots; 25 percent distinct clay films on faces of peds; fragments; noneffervescent; neutral, pH 7.3, hellige-truog; clear smooth boundary.; moist when described;. continuous - phpvsfiid 111137; continuous - phpvsfiid 111137
    C—91 to 147 centimeters (35.8 to 57.9 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; fine sandy loam; 18 percent clay; massive; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 0.5 very fine roots; fragments; noneffervescent; slightly alkaline, pH 7.4, hellige-truog; clear smooth boundary.; moist when described;
    Bk—147 to 178 centimeters (57.9 to 70.1 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; fine sandy loam; 18 percent clay; massive; slightly hard, friable, nonsticky, nonplastic; moderately rapid permeability; 0.5 very fine roots; 1 percent fine irregular carbonate threads throughout; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.5, hellige-truog.; dry when described;