IDENTIFIERS

  • Current Taxon Name (Soil Name): Gapmesa
  • OSD
  • Series Extent
  • User Site ID: S1993CO083005
  • User Pedon ID: 93CO083005
  • Vegetation Plot ID: S1993CO083005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0650
  • NCSS Pedon Lab Data NASIS Record ID - 65993
  • Print Date: 2/16/2025

    • 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: 37.4644432
  • Std. Longitude: -108.9738922
  • Datum: WGS84
  • Township: 37N
  • Range: 19W
  • Section: 17
  • PLSS Details: 1000 feet E and 2400 feet S of NW corner
  • 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: Jonathan W. Hooper
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Ustic Haplargids
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Gapmesa
  • PSC - 4 to 53 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Gapbutte
  • Taxonomic Class - Fine-loamy, mixed, mesic Ustollic Haplargid
  • Taxon Kind - series
  • Classificaton Date - 4/6/1993
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: plateau
  • Landform: mesa
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: slight weathered sandstone, unspecified
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/6/1993 (actual site observation date)
  • Air Photo ID: 273-225
  • 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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARTEM

    GUSA2

    JUOS

    Artemisia

    Gutierrezia sarothrae

    Juniperus osteosperma

    sagebrush

    broom snakeweed

    Utah juniper

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    argillic horizon

    lithic contact

    5—24

    70—70

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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

    8

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    1842

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    200

    279

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    R—70 centimeters (27.6 inches); fragments.
    A—0 to 4 centimeters (0.0 to 1.6 inches); brown (7.5YR 4/4) crushed, brown (7.5YR 5/4) crushed, dry; fine sandy loam; moderate very coarse platy structure; slightly hard, friable, nonsticky, nonplastic; 0.8 very fine roots throughout; 3.0 very fine low-continuity vesicular pores; 3 percent by volume subrounded 2-39-75 millimeter sandstone, unspecified fragments; noneffervescent, by hcl, unspecified; neutral, pH 7.2, hellige-truog; abrupt smooth boundary. Lab sample # 93P04549
    Bt1—4 to 24 centimeters (1.6 to 9.4 inches); reddish brown (5YR 4/4) crushed, yellowish red (5YR 4/6) crushed, dry; loam; moderate coarse subangular blocky parts to moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.8 medium roots throughout and 0.8 fine roots throughout; 0.8 very fine low-continuity discontinuous tubular pores; 90 percent faint clay films throughout; 2 percent by volume subrounded 2-39-75 millimeter sandstone, unspecified fragments; noneffervescent, by hcl, unspecified; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 93P04550. continuous - phpvsfiid 176383; continuous - phpvsfiid 176383
    Bt2—24 to 53 centimeters (9.4 to 20.9 inches); reddish brown (5YR 4/4) crushed, yellowish red (5YR 4/6) crushed, dry; loam; 23 percent clay; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.8 medium roots throughout; 0.8 very fine low-continuity discontinuous tubular pores; 90 percent faint clay films throughout; 5 percent by volume subrounded 2-39-75 millimeter sandstone, unspecified fragments; noneffervescent, by hcl, unspecified; slightly alkaline, pH 7.6, hellige-truog; abrupt smooth boundary. Lab sample # 93P04551. % sand-silt-clay 8-25 48-29-23 fine loamy; continuous - phpvsfiid 176384; continuous - phpvsfiid 176384
    Bk—53 to 70 centimeters (20.9 to 27.6 inches); reddish brown (5YR 5/4) crushed, light reddish brown (5YR 6/4) crushed, dry; very gravelly sandy loam; 10 percent clay; massive; very hard, friable, nonsticky, nonplastic; 0.5 very fine roots in cracks; 5 percent irregular carbonate threads throughout; 50 percent by volume 2-39-75 millimeter sandstone, unspecified fragments; strong effervescence, by hcl, unspecified; slightly alkaline, pH 7.8, hellige-truog; abrupt smooth boundary. Lab sample # 93P04552