IDENTIFIERS

  • Current Taxon Name (Soil Name): TAHANA
  • OSD
  • Series Extent
  • User Site ID: S1989CO019006
  • User Pedon ID: 89CO019006
  • Vegetation Plot ID: S1989CO019006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 89P0777
  • NCSS Pedon Lab Data NASIS Record ID - 61876
  • Print Date: 4/27/2025

    • 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: 39.6036110
  • Std. Longitude: -105.4333344
  • Datum: WGS84
  • Township: 5S
  • Range: 72W
  • Section: 22
  • PLSS Details: 1800 feet south and 1350 feet east of the northwest corner
  • State: Colorado
  • County: CO019—Clear Creek
  • MLRA: 48A—Southern Rocky Mountains
  • Non-MLRA Soil Survey Area: CO653—Georgetown Area, Colorado, Parts of Clear Creek, Gilpin, and Park Counties

    • PEDON

  • Describers Name: Michael Petersen
  • Current Taxonomic Class: Sandy-skeletal, mixed Ustic Eutrocryepts
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - TAHANA
  • PSC - 25 to 55 cm.
  • Classificaton Date - 12/29/2009
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Peedee
  • Taxonomic Class - Sandy-skeletal, mixed Typic Cryochrept
  • Taxon Kind - series
  • Classificaton Date - 3/22/1989
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from schist
  • Landform: mountainside
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/22/1989 (actual site observation date)
  • 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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PICOL

    PSMEG

    Pinus contorta var. latifolia

    Pseudotsuga menziesii var. glauca

    lodgepole pine

    Rocky Mountain Douglas-fir

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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

    31

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    2575.6

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    90

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    Oi—0 to 2 centimeters (0.0 to 0.8 inches); muck; fragments. Lab sample # 89P04462
    Oa—2 to 5 centimeters (0.8 to 2.0 inches);, very dark gray (10YR 3/1) rubbed, dry; muck; fragments.
    EB—5 to 20 centimeters (2.0 to 7.9 inches); 65 percent brown (7.5YR 4/4) and 35 percent brown (7.5YR 4/2), 35 percent pinkish gray (7.5YR 6/2) and 65 percent pale brown (10YR 6/3), dry; gravelly sandy loam; weak fine granular structure; soft, very friable, nonsticky, nonplastic; 0.5 fine and medium roots throughout and 3.0 fine roots throughout; 21.0 very fine and fine tubular and 21.0 very fine and fine interstitial and 3.0 fine vesicular and 3.0 fine tubular pores; 1 percent by volume 75-?-250 millimeter schist, unspecified fragments and 10 percent by volume 2-?-75 millimeter schist, unspecified fragments; strongly acid, pH 5.5, chlorophenol red; clear wavy boundary. Lab sample # 89P04462
    Bw—20 to 51 centimeters (7.9 to 20.1 inches); brown (7.5YR 4/4), 80 percent brown (7.5YR 5/4) and 20 percent pinkish gray (7.5YR 6/2), dry; very gravelly loamy sand; weak fine subangular blocky structure; soft, friable, nonsticky, nonplastic; 21.0 fine and medium roots throughout; 3.0 fine and medium vesicular and 3.0 fine and medium tubular pores; 1 percent by volume 250-?-? millimeter igneous, unspecified fragments and 2 percent by volume 75-?-250 millimeter schist, unspecified fragments and 35 percent by volume 2-?-75 millimeter schist, unspecified fragments; moderately acid, pH 5.6, chlorophenol red; clear wavy boundary. Lab sample # 89P04463
    C1—51 to 61 centimeters (20.1 to 24.0 inches); brown (7.5YR 5/4), light brown (7.5YR 6/4), dry; extremely gravelly loamy sand; single grain; loose, loose, nonsticky, nonplastic; 3.0 fine and medium roots; 0.5 fine vesicular and 0.5 fine tubular pores; 5 percent by volume 75-?-250 millimeter granite fragments and 80 percent by volume 2-?-75 millimeter schist, unspecified fragments; strongly acid, pH 5.3, chlorophenol red; gradual wavy boundary.
    Cr—61 to 61 centimeters (24.0 to 24.0 inches); fragments.