IDENTIFIERS

  • Current Taxon Name (Soil Name): Ohman
  • OSD
  • Series Extent
  • User Site ID: S1990CO019004
  • User Pedon ID: 90CO019004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 90P0780
  • NCSS Pedon Lab Data NASIS Record ID - 62713
  • Print Date: 4/24/2025

    • 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: 39.6880569
  • Std. Longitude: -105.4866638
  • Datum: WGS84
  • Township: 4S
  • Range: 72W
  • Section: 19
  • PLSS Details: 1600 feet S and 1000 feet W of NE corner
  • State: Colorado
  • County: CO019—Clear Creek

    • PEDON

  • Current Taxonomic Class: Loamy-skeletal, paramicaceous Lamellic Dystrocryepts
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Ohman
  • Classificaton Date - 6/18/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Ohman
  • Taxonomic Class - Loamy-skeletal, mixed Alfic Cryochrept
  • Taxon Kind - series
  • Classificaton Date - 8/1/1990
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: mountains or deeply dissected plateaus
  • Geomorphic Component Hills: side slope
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1990 (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

    22

    —

    —

    3097

    —

    45

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); fragments. needles, twigs, bark, leaves, and cones
    Cr—0 to 3 centimeters (0.0 to 1.2 inches); fragments. Lab sample # 90P04559. decomposing schist
    A1—3 to 8 centimeters (1.2 to 3.1 inches); dark brown (7.5YR 3/2) very gravelly sandy loam; weak fine granular structure; soft, very friable, nonsticky, nonplastic; 2.5 very fine roots and 0.5 fine to coarse roots; 2 percent by volume 75-162-250 millimeter unspecified fragments and 5 percent by volume 250-425-600 millimeter unspecified fragments; clear smooth boundary. Lab sample # 90P04555. 30% gravel; few fine to coarse roots; common very fine roots
    E—8 to 26 centimeters (3.1 to 10.2 inches); brown (7.5YR 4/4) and brown (7.5YR 5/4) gravelly sandy loam; weak fine granular structure; soft, very friable, nonsticky, nonplastic; 2.5 very fine and fine roots; 1 percent by volume 75-162-250 millimeter unspecified fragments; clear wavy boundary. Lab sample # 90P04556. 15% gravel; common very fine and fine roots
    Bw1—26 to 46 centimeters (10.2 to 18.1 inches); brown (7.5YR 4/4) very gravelly loamy sand; moderate medium granular structure; loose, loose, nonsticky, nonplastic; 0.5 medium roots and 2.5 fine roots; 1 percent by volume 75-162-250 millimeter unspecified fragments; clear smooth boundary. Lab sample # 90P04557. 35% gravel; common 0.5 cm thick continuous lamellae texture sandy loam, 17% clay, (5YR 4/4); few medium roots; common fine roots
    Bw2—46 to 72 centimeters (18.1 to 28.3 inches); dark yellowish brown (10YR 4/4) very gravelly loamy sand; weak fine subangular blocky structure; loose, loose, nonsticky, nonplastic; 2.5 very fine roots and 0.5 fine roots; 1 percent by volume 75-162-250 millimeter unspecified fragments; clear wavy boundary. Lab sample # 90P04558. 40% gravel; common 1 cm thick continuous lamellae texture sandy clay loam, 20% clay; few fine roots; common very fine roots