IDENTIFIERS

  • Current Taxon Name (Soil Name): arboles
  • OSD
  • Series Extent
  • User Site ID: S2003CO-007-003-ARBOLES_SAMPLE
  • User Pedon ID: 03CO007003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 03N0791
  • NCSS Pedon Lab Data NASIS Record ID - 15627
  • Print Date: 11/21/2024
  • 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: 37.0016899
  • Std. Longitude: -107.4764557
  • Datum: WGS84
  • Township: 32 N.
  • Range: 6 W.
  • Section: 23
  • PLSS Details: southwest quarter of the southwest quarter
  • Map Unit: EO-CD—Arboles clay, 3 to 12 percent slopes
  • State: Colorado
  • County: CO007—Archuleta
  • MLRA: 36—Southwestern Plateaus, Mesas, and Foothills
  • Non-MLRA Soil Survey Area: CO668—Archuleta County Area, Colorado
  • 7.5 Minute USGS Quad: 37107-A4—Allison, Colorado
  • PEDON

  • Describers Name: J.P. Pannell
  • Current Taxonomic Class: Fine, smectitic, mesic Aridic Haplusterts
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - arboles
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/26/2006
  • Soil Taxonomic Edition - second edition
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - arboles
  • Classificaton Date - 8/21/2002
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: slope alluvium derived from shale
  • Landform: pediment
  • Geomorphic Component Hills: base slope
  • Hill Slope Profile: toeslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Animas formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/21/2002 (actual site observation date)
  • Air Photo ID: 6AA-105
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    Bss2

    Bk

    33

    71

    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    Bss2

    Bk

    33

    71

    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    Bss2

    Bk

    33

    71

    2

    3

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

    ochric epipedon

    cambic horizon

    slickensides

    secondary carbonates

    0—18

    18—71

    18—71

    71—

    —-

    —-

    —-

    —-

    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

    3

    800

    400

    1859

    135

    330

    120

    8.9

    10

    4250

    Ignacio, CO

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (7.5YR 5/2), brown (7.5YR 4/2), moist; clay; weak medium subangular blocky parts to moderate medium granular structure; very hard, firm, moderately sticky, moderately plastic; slow permeability; moderate excavation difficulty; 3.0 very fine roots throughout and 3.0 fine roots throughout; 1.0 fine tubular pores; fragments; noneffervescent, by hcl, unspecified; neutral, pH 7.0, phenol red; clear smooth boundary.; observed in pit, small
    Bss1—18 to 33 centimeters (7.1 to 13.0 inches); brown (7.5YR 5/4), brown (7.5YR 4/2), moist; clay; moderate medium angular blocky parts to moderate fine angular blocky structure; very hard, firm, very sticky, very plastic; slow permeability; high excavation difficulty; 1.0 fine roots throughout; 2.0 fine tubular pores; fragments; noneffervescent, by hcl, unspecified; neutral, pH 7.2, phenol red; clear smooth boundary.; observed in pit, small
    Bss2—33 to 71 centimeters (13.0 to 28.0 inches); brown (7.5YR 5/4), brown (7.5YR 4/2), moist; clay; moderate medium angular blocky parts to moderate fine angular blocky structure; very hard, very firm, very sticky, very plastic; slow permeability; high excavation difficulty; 1.0 fine roots throughout; 1.0 fine tubular pores; fragments; slight effervescence, by hcl, unspecified; slightly alkaline, pH 7.6, phenol red; gradual smooth boundary. Lab sample # 03N04000; observed in pit, small
    Bk—71 to 152 centimeters (28.0 to 59.8 inches); brown (7.5YR 5/4), brown (7.5YR 4/2), moist; clay loam; massive; very hard, firm, moderately sticky, moderately plastic; moderately slow permeability; high excavation difficulty; 1.0 fine roots throughout; 1.0 fine tubular pores; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.0, phenol red.; observed in pit, small