IDENTIFIERS

  • Current Taxon Name (Soil Name): Leadville
  • OSD
  • Series Extent
  • User Site ID: 99CO628005
  • User Pedon ID: 99CO628005
  • Vegetation Plot ID: 99CO628005
  • Transect:
  • User Transect ID - 48aTCO628123-LH
  • Transect Stop Number - 5
  • Transect Interval - 500.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 00P0136
  • NCSS Pedon Lab Data NASIS Record ID - 11644
  • 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: 37.1739444
  • Std. Longitude: -105.0775278
  • Datum: WGS84
  • Township: 33 S.
  • Range: 69 W.
  • PLSS Details: about 0.8 miles west of the Wilkens Canyon and Hells Canyon crossing on the Hells Canyon trail
  • Map Unit: LH—Leadville-Howlett complex, 5 to 40 percent slopes, stony
  • State: Colorado
  • County: CO071—Las Animas
  • MLRA: 48A—Southern Rocky Mountains
  • Non-MLRA Soil Survey Area: CO628—Las Animas County Area, Colorado, Parts of Huerfano and Las Animas Counties
  • 7.5 Minute USGS Quad: 37105-B1—Stonewall, Colorado

    • PEDON

  • Describers Name: LAN
  • Current Taxonomic Class: Loamy-skeletal, mixed, superactive Ustic Glossocryalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 776
  • Correlated Information:
  • Soil Name - Leadville
  • PSC - 64 to 114 cm.
  • Classificaton Date - 6/12/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Leadville
  • Classificaton Date - 9/29/1999
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from noncalcareous sandstone
  • Landscape: mountains
  • Landform: mountain slope
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Runoff: very high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 5.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/29/1999 (actual site observation date)
  • Air Photo ID: 13-F
  • Plant Association Name: Spruce/fir
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • 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

    ABLA

    JAAM

    JUCO6

    POTR5

    PSME

    ROSA

    ROWO

    SHCA

    Abies lasiocarpa

    Jamesia americana

    Juniperus communis

    Populus tremuloides

    Pseudotsuga menziesii

    Rorippa sarmentosa

    Rosa woodsii

    Shepherdia canadensis

    subalpine fir

    fivepetal cliffbush

    common juniper

    quaking aspen

    Douglas-fir

    longrunner

    Woods' rose

    russet buffaloberry

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

    glossic horizon

    argillic horizon

    43—64

    64—152

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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

    50

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    2775

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    310

    660

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    3.3

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    7.8

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    Oe—0 to 8 centimeters (0.0 to 3.1 inches); moderately decomposed plant material; fragments; abrupt smooth boundary.
    E—8 to 43 centimeters (3.1 to 16.9 inches); dark reddish brown (2.5YR 3/4), reddish brown (2.5YR 5/3), dry; very cobbly sandy loam; 12 percent clay; weak fine and medium granular structure; soft, very friable, nonsticky, nonplastic; 15.0 very fine and fine roots and 2.0 coarse roots; 20 percent by volume 75-162-250 millimeter unspecified fragments and 25 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; slightly acid, pH 6.4, hellige-truog; clear wavy boundary.; moist when described;
    E/B—43 to 64 centimeters (16.9 to 25.2 inches); dark red (2.5YR 3/6), 60 percent reddish brown (2.5YR 5/3) and 40 percent reddish brown (2.5YR 4/4), dry; very gravelly sandy loam; 18 percent clay; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 25.0 very fine and fine roots and 5.0 medium and coarse roots; 10 percent by volume 75-162-250 millimeter unspecified fragments and 40 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; slightly acid, pH 6.2, hellige-truog; abrupt smooth boundary.; moist when described;
    Bt1—64 to 119 centimeters (25.2 to 46.9 inches); dark red (10R 3/6), weak red (10R 4/4), dry; very cobbly sandy clay loam; 34 percent clay; moderate fine and medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 5.0 very fine and fine roots and 1.0 coarse roots; 35 percent distinct clay films on faces of peds; 5 percent by volume 2-39-75 millimeter unspecified fragments and 10 percent by volume 250-425-600 millimeter unspecified fragments and 40 percent by volume 75-162-250 millimeter unspecified fragments; noneffervescent; neutral, pH 6.8, hellige-truog; gradual wavy boundary.; moist when described;. continuous - phpvsfiid 111056; continuous - phpvsfiid 111056
    Bt2—119 to 180 centimeters (46.9 to 70.9 inches); dark red (10R 3/6), weak red (10R 4/4), dry; extremely stony sandy clay loam; 30 percent clay; moderate medium subangular blocky structure; very hard, firm, slightly sticky, slightly plastic; 2.0 very fine and fine roots and 1.0 coarse roots; 20 percent distinct clay films on faces of peds; 10 percent by volume 2-39-75 millimeter unspecified fragments and 20 percent by volume 75-162-250 millimeter unspecified fragments and 40 percent by volume 250-425-600 millimeter unspecified fragments; noneffervescent; neutral, pH 7.0, hellige-truog.; moist when described;. continuous - phpvsfiid 111057; continuous - phpvsfiid 111057