IDENTIFIERS

  • Current Taxon Name (Soil Name): Tolby
  • OSD
  • Series Extent
  • User Site ID: S1991CO097002
  • User Pedon ID: 91CO097002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0285
  • NCSS Pedon Lab Data NASIS Record ID - 64524
  • Print Date: 11/11/2024

    • LOCATION

  • State: Colorado
  • County: CO097—Pitkin

    • PEDON

  • Describers Name: J.S.
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Tolby
  • Taxonomic Class - Sandy-skeletal, mixed Typic Cryochrepts
  • Classificaton Date - 8/1/1991
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Geomorphic Component Hills: side slope
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1991 (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
    • 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

    42

    —

    —

    2804

    —

    315

    76

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    O—0 to 3 centimeters (0.0 to 1.2 inches); fragments. needles and twig litter
    E1—3 to 13 centimeters (1.2 to 5.1 inches); brown (10YR 5/3), pale brown (10YR 6/3), dry; gravelly loam; weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; 2.5 very fine roots and 2.5 fine and medium roots; 2.5 very fine interstitial and 2.5 fine interstitial pores; 30 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # 92P01816. 21% clay, 46% sand, 33% silt; common fine and medium roots; common very fine roots
    E2—13 to 33 centimeters (5.1 to 13.0 inches); pale brown (10YR 6/3) crushed, very pale brown (10YR 7/3) crushed, dry; extremely gravelly sandy loam; massive, and single grain; loose, loose, nonsticky, nonplastic; 2.5 very fine roots and 2.5 fine and medium roots; 2.5 fine interstitial pores; 5 percent by volume 250-425-600 millimeter unspecified fragments and 10 percent by volume 75-162-250 millimeter unspecified fragments and 45 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; slightly acid, pH 6.4, hellige-truog; clear wavy boundary. Lab sample # 92P01817. 17% clay, 62% sand, 21% silt; common fine and medium roots; common very fine roots
    Bw—33 to 59 centimeters (13.0 to 23.2 inches); dark yellowish brown (10YR 4/6) crushed, yellowish brown (10YR 5/6) crushed, dry; extremely cobbly loamy sand; massive, and single grain; loose, loose, nonsticky, nonplastic; 0.5 medium and coarse roots and 2.5 fine roots; 2.5 fine interstitial pores; 15 percent by volume 75-162-250 millimeter unspecified fragments and 15 percent by volume 250-425-600 millimeter unspecified fragments and 35 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; moderately acid, pH 6.0, hellige-truog; gradual wavy boundary. Lab sample # 92P01818. 12% clay, 74% sand, 14% silt; few medium and coarse roots; common fine roots
    BC—59 to 117 centimeters (23.2 to 46.1 inches); yellowish brown (10YR 5/6) crushed, brownish yellow (10YR 6/6) crushed, dry; extremely cobbly coarse sand; massive, and single grain; loose, loose, nonsticky, nonplastic; 0.5 fine to coarse roots; 0.5 fine interstitial pores; 10 percent by volume 250-425-600 millimeter unspecified fragments and 15 percent by volume 600-?-? millimeter unspecified fragments and 20 percent by volume 75-162-250 millimeter unspecified fragments; slight effervescence; moderately acid, pH 6.0, hellige-truog. Lab sample # 92P01819. 6% clay, 83% sand, 11% silt; few fine to coarse roots