IDENTIFIERS

  • Current Taxon Name (Soil Name): Howlett
  • OSD
  • Series Extent
  • User Site ID: 99CO628004
  • User Pedon ID: 99CO628004
  • Vegetation Plot ID: 99CO628004
  • Transect:
  • User Transect ID - 48aTCO628123-LH
  • Transect Stop Number - 8
  • Transect Interval - 500.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 00P0135
  • NCSS Pedon Lab Data NASIS Record ID - 11643
  • Print Date: 5/20/2024

    • 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: 37.1716667
  • Std. Longitude: -105.0867500
  • Datum: WGS84
  • Township: 33 S.
  • Range: 69 W.
  • PLSS Details: about 1.7 miles west of the Wilkens Canyon and Hell Canyon crossing on the Hell 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: Fine-loamy, mixed, superactive Ustic Haplocryalfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Nasis
  • Pedon #: 775
  • Correlated Information:
  • Soil Name - Howlett
  • PSC - 53 to 102 cm.
  • Classificaton Date - 6/12/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Howlett
  • Classificaton Date - 9/16/1999
  • 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: upper third
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 5.00 percent 250- to 610-millimeter
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/16/1999 (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

    SHCA

    VASC

    Abies lasiocarpa

    Jamesia americana

    Juniperus communis

    Populus tremuloides

    Pseudotsuga menziesii

    Shepherdia canadensis

    Vaccinium scoparium

    subalpine fir

    fivepetal cliffbush

    common juniper

    quaking aspen

    Douglas-fir

    russet buffaloberry

    grouse whortleberry

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

    ochric epipedon

    albic horizon

    argillic horizon

    0—10

    10—53

    53—160

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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

    20

    —

    —

    2901

    —

    0

    686

    —

    —

    3.3

    —

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    7.8

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 13 centimeters (1.2 to 5.1 inches); dark reddish brown (5YR 3/2), dark reddish gray (5YR 4/2), dry; sandy loam; 15 percent clay; moderate fine and medium granular structure; soft, very friable, nonsticky, nonplastic; 8.0 very fine and fine roots and 2.0 medium and coarse roots; fragments; noneffervescent; neutral, pH 6.6, hellige-truog; abrupt smooth boundary.; moist when described;
    E—13 to 56 centimeters (5.1 to 22.0 inches); dark reddish brown (5YR 3/4), light reddish brown (5YR 6/3), dry; sandy loam; 15 percent clay; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 8.0 very fine and fine roots and 1.0 medium and coarse roots; 5 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; moderately acid, pH 6.0, hellige-truog; clear wavy boundary.; moist when described;
    Bt1—56 to 102 centimeters (22.0 to 40.2 inches); dark reddish brown (2.5YR 3/4), weak red (2.5YR 4/2), dry; cobbly sandy clay loam; 24 percent clay; moderate medium subangular blocky structure; very hard, friable, slightly sticky, slightly plastic; 0.5 fine and medium roots; 35 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; noneffervescent; slightly acid, pH 6.4, hellige-truog; clear smooth boundary.; moist when described;. continuous - phpvsfiid 111054; continuous - phpvsfiid 111054
    Bt2—102 to 163 centimeters (40.2 to 64.2 inches); dark reddish brown (2.5YR 3/4), reddish brown (2.5YR 4/3), dry; very stony sandy clay loam; 25 percent clay; moderate fine and medium subangular blocky structure; very hard, friable, slightly sticky, slightly plastic; 0.5 fine and medium roots; 15 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 25 percent by volume 250-425-600 millimeter unspecified fragments; noneffervescent; neutral, pH 6.6, hellige-truog.; moist when described;. patchy - phpvsfiid 111055; patchy - phpvsfiid 111055