IDENTIFIERS

  • Current Taxon Name (Soil Name): MIRROR
  • OSD
  • Series Extent
  • User Site ID: S1998CO051006
  • User Pedon ID: 98CO051006
  • Vegetation Plot ID: S1998CO051006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 99P0006
  • NCSS Pedon Lab Data NASIS Record ID - 10866
  • Print Date: 11/13/2024

    • 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: 38.6399994
  • Std. Longitude: -106.3891678
  • Datum: WGS84
  • Location Description: NW 1/4 of SW 1/4; in small grass clearing just East above Williams Pass
  • State: Colorado
  • County: CO051—Gunnison
  • 7.5 Minute USGS Quad: 38106-F4—Cumberland Pass, Colorado

    • PEDON

  • Describers Name: KD, TH
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 6
  • Sampled As Information:
  • Soil Name - Mirror
  • Taxonomic Class - Loamy-skeletal Humic Dystrochrept
  • Taxon Kind - series
  • Classificaton Date - 9/9/1998
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/9/1998 (actual site observation date)
  • Air Photo ID: 1388-146
  • 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

    ACROT

    BIBI

    DECE

    SAGL

    VACE

    Acomastylis rossii ssp. turbinata

    Bidens bigelovii

    Deschampsia cespitosa

    Salix glauca

    Vaccinium cespitosum

    —

    Bigelow's beggarticks

    tufted hairgrass

    grayleaf willow

    dwarf bilberry

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

    umbric epipedon

    0—0

    —-
    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

    —

    —

    3587

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    270

    762

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); fragments. Lab sample # 99P00031
    Oe—3 to 6 centimeters (1.2 to 2.4 inches); fragments. Oe has same sample number as Oi which is 99P0031
    ABw1—6 to 19 centimeters (2.4 to 7.5 inches); very dark brown (7.5YR 2/2), dark yellowish brown (10YR 3/4), dry; very cobbly sandy loam; 12 percent clay; weak medium subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots and 2.0 medium roots; 5 percent by volume 250-425-600 millimeter unspecified fragments and 15 percent by volume 75-162-250 millimeter unspecified fragments and 25 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # 99P00032. cutans: fbg; boulder in middle of pit from 35cm - bottom of pit; park organic staining occurs on coarse fragments in top two horizons.
    ABw2—19 to 39 centimeters (7.5 to 15.4 inches); very dark brown (7.5YR 2/3), dark yellowish brown (10YR 3/4), dry; very cobbly sandy loam; 12 percent clay; weak medium subangular blocky parts to granular structure; soft, very friable, slightly sticky, nonplastic; 2.0 very fine and fine roots and 1.0 medium roots; 5 percent by volume 250-425-600 millimeter unspecified fragments and 15 percent by volume 75-162-250 millimeter unspecified fragments and 20 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; abrupt smooth boundary. Lab sample # 99P00033. cutans: fbg; boulder in middle of pit from 35cm - bottom of pit.
    Bd—39 to 80 centimeters (15.4 to 31.5 inches); dark brown (7.5YR 3/3), dark yellowish brown (10YR 3/6), dry; very gravelly sand; 1 percent clay; massive parts to granular; hard, firm, nonsticky, nonplastic; 2 percent by volume 75-162-250 millimeter unspecified fragments and 15 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog. Lab sample # 99P00034. cutans: m, d, bg pf; boulder in middle of pit from 35cm - bottom of pit; bromo cresogreen; Bd horizon finely disseminated Fe & A1 oxides - appears to be acting as cementing agent, fully coating sand grains; Excavation difficulty of Bd horizon is high to very high; appears to be pockets of red iron concentrations enriched - Bd 2.5YR 2.5/3; Boulder in middle of pit from 35cm to bottom of pit.