IDENTIFIERS

  • Current Taxon Name (Soil Name): Rizno
  • OSD
  • Series Extent
  • User Site ID: S1993CO083004
  • User Pedon ID: 93CO083004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0648
  • NCSS Pedon Lab Data NASIS Record ID - 65991
  • 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: 37.4630547
  • Std. Longitude: -108.9963913
  • Datum: WGS84
  • Township: 37N
  • Range: 20W
  • Section: 13
  • PLSS Details: 200 feet W, 2500 feet N
  • State: Colorado
  • County: CO083—Montezuma
  • MLRA: 35—Colorado Plateau
  • Non-MLRA Soil Survey Area: CO671—Cortez Area, Colorado, Parts of Dolores and Montezuma Counties
  • 7.5 Minute USGS Quad: 37108-D8—Negro Canyon, Colorado

    • PEDON

  • Describers Name: D. Ramsey, J. Hooper
  • Current Taxonomic Class: Loamy, mixed, superactive, calcareous, mesic Lithic Ustic Torriorthents
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Rizno
  • Classificaton Date - 2/1/2010
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Leanto
  • Taxonomic Class - Loamy, mixed, mesic Lithic Camborthid
  • Taxon Kind - series
  • Classificaton Date - 10/20/1993
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: plateau
  • Landform: mesa
  • Drainage Class: well
  • Bedrock: h sandstone, unspecified
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/20/1993 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    0—13

    5—13

    —-

    —-
    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

    3

    —

    —

    1890

    —

    180

    279

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 5 centimeters (0.0 to 2.0 inches); reddish brown (5YR 4/3), reddish brown (5YR 5/4), dry; fine sandy loam; weak fine granular structure; soft, friable, nonsticky, nonplastic; 5 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; slightly alkaline, pH 7.6, hellige-truog; abrupt smooth boundary. Lab sample # 93P04545
    A2—5 to 13 centimeters (2.0 to 5.1 inches); reddish brown (5YR 4/3), reddish brown (5YR 5/4), dry; fine sandy loam; weak fine subangular blocky structure; soft, friable, nonsticky, nonplastic; 6.0 very fine roots and 1.0 fine roots throughout; 5 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 93P04546
    Bk—13 to 33 centimeters (5.1 to 13.0 inches); reddish brown (5YR 4/4), reddish brown (5YR 5/4), dry; loam; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.0 very fine roots and 1.0 medium roots throughout and 1.0 fine roots; 1.0 very fine discontinuous tubular pores; 8 percent faint clay films on faces of peds and in pores; 5 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary. Lab sample # 93P04547. patchy - phpvsfiid 192116; patchy - phpvsfiid 192116
    R—33 centimeters (13.0 inches); bedrock; fragments.