IDENTIFIERS

  • Current Taxon Name (Soil Name): Tolby
  • OSD
  • Series Extent
  • User Site ID: S1991CO117010
  • User Pedon ID: 91CO117010
  • Vegetation Plot ID: S1991CO117010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0293
  • NCSS Pedon Lab Data NASIS Record ID - 64532
  • Print Date: 11/11/2024
  • LOCATION

  • State: Colorado
  • County: CO117—Summit
  • PEDON

  • Describers Name: J.W., J.H.
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 10
  • Sampled As Information:
  • Soil Name - Tolby
  • Taxonomic Class - Sandy-skeletal, mixed Typic Cryochrepts
  • Classificaton Date - 9/1/1991
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: dead ice moraine
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1991 (actual site observation date)
  • Surface Cover Properties:
  • 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

    PICO

    VASC

    Abies lasiocarpa

    Pinus contorta

    Vaccinium scoparium

    subalpine fir

    lodgepole pine

    grouse whortleberry

    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

    45

    3024

    0

    76

    9

    Oi—0 to 3 centimeters (0.0 to 1.2 inches); fragments. decomposed litter
    Oe—3 to 8 centimeters (1.2 to 3.1 inches); fragments. undecomposed litter
    E—8 to 28 centimeters (3.1 to 11.0 inches); brown (10YR 5/3) crushed, very pale brown (10YR 7/3) crushed, dry; extremely bouldery sandy loam; weak fine granular structure; soft, very friable, nonsticky, nonplastic; 5.5 fine to coarse roots; 5.5 fine interstitial pores; 15 percent by volume 600-?-? millimeter unspecified fragments and 20 percent by volume 2-39-75 millimeter unspecified fragments and 20 percent by volume 75-162-250 millimeter unspecified fragments; slight effervescence; slightly acid, pH 6.2, hellige-truog; gradual wavy boundary. Lab sample # 92P01837. 14% clay, 76% sand, 10% silt; many fine to coarse roots
    Bw—28 to 97 centimeters (11.0 to 38.2 inches); yellowish brown (10YR 5/4) crushed, brownish yellow (10YR 6/6) crushed, dry; extremely bouldery loamy sand; moderate fine and medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 2.5 very fine and fine roots and 0.5 medium roots; 5.5 fine interstitial pores; 15 percent by volume 600-?-? millimeter unspecified fragments and 20 percent by volume 2-39-75 millimeter unspecified fragments and 20 percent by volume 250-425-600 millimeter unspecified fragments; slight effervescence; slightly acid, pH 6.2, hellige-truog; gradual wavy boundary. Lab sample # 92P01838. 5% clay, 75% sand, 20% silt; few medium roots; common very fine and fine roots
    C—97 to 135 centimeters (38.2 to 53.1 inches); light olive brown (2.5Y 5/6) crushed, yellowish brown (10YR 5/6) and pale brown (10YR 6/3), dry; extremely bouldery loamy sand; single grain; loose, loose, nonsticky, nonplastic; 2.5 very fine and fine roots and 0.5 medium roots; 2.5 fine interstitial pores; 15 percent by volume 2-39-75 millimeter unspecified fragments and 20 percent by volume 250-425-600 millimeter unspecified fragments and 20 percent by volume 600-?-? millimeter unspecified fragments; slight effervescence; neutral, pH 6.6, hellige-truog. Lab sample # 92P01839. 5% clay, 75% sand, 17% silt; few medium roots; common very fine and fine roots