IDENTIFIERS

  • Current Taxon Name (Soil Name): Calcidic Haplustalfs
  • OSD
  • Series Extent
  • User Site ID: 59CO087001
  • User Pedon ID: 59CO087001
  • Vegetation Plot ID: 59CO087001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3819
  • NCSS Pedon Lab Data NASIS Record ID - 39472
  • Print Date: 5/20/2024

    • 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: 40.5216675
  • Std. Longitude: -103.8063889
  • Datum: WGS84
  • Township: 6N
  • Range: 58W
  • Section: 1
  • PLSS Details: 975 feet west and 825 feet south of north quarter corner
  • Map Unit: AuC—Ascalon sandy loam, 3 to 5 percent slopes
  • State: Colorado
  • County: CO087—Morgan
  • MLRA: 67B—Central High Plains, Southern Part
  • MLRA Soil Survey Area: NW-FTM—Fort Morgan, Colorado
  • Non-MLRA Soil Survey Area: CO087—Morgan County, Colorado
  • 7.5 Minute USGS Quad: 40103-E7—Raymer, Colorado

    • PEDON

  • Describers Name: Clayton F. Spears
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Calcidic Haplustalfs
  • Current Taxon Kind: family
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Calcidic Haplustalfs
  • PSC - 18 to 48 cm.
  • Classificaton Date - 6/28/2013
  • Classifier - Andy Steinert
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Ascalon
  • Taxonomic Class - Fine-loamy, mixed, superactive, mesic Aridic Argiustolls
  • Taxon Kind - series
  • Classificaton Date - 5/4/1959
  • Classifier - Clayton F. Spears
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • QC Status: level 1


    • SITE

  • Parent Material: tertiary outwash
  • Landscape: upland
  • Ksat Class Upper: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: sandstone and shale at 221cm
  • Geology: Laramie Formation formation.
  • Surface Fragments: 1.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/4/1959 (actual site observation date)
  • Air Photo ID: YE-1F-39
  • 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: wind and water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    BOGR2

    OPUNT

    PASM

    Bouteloua gracilis

    Opuntia

    Pascopyrum smithii

    blue grama

    pricklypear

    western wheatgrass

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    —

    221 -

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

    ochric epipedon

    argillic horizon

    calcic horizon

    paralithic contact

    0—10

    18—48

    58—76

    221—

    —10—

    —30—

    —18—

    —-
    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

    —

    —

    1433

    —

    135

    356

    —

    146

    8.9

    —

    —

    8.9

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; fine sandy loam; weak fine granular structure; soft, very friable; Ksat of 28.225 um/s; moderately rapid permeability; fragments; noneffervescent; clear smooth boundary. Lab sample # 40A29325
    AB—10 to 18 centimeters (3.9 to 7.1 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; sandy loam; weak medium prismatic parts to weak medium subangular blocky structure; slightly hard, friable; Ksat of 28.225 um/s; moderately rapid permeability; fragments; noneffervescent; clear smooth boundary. Lab sample # 40A29326
    Bt1—18 to 28 centimeters (7.1 to 11.0 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; sandy clay loam; weak and moderate medium prismatic parts to weak and moderate medium subangular blocky structure; slightly hard, friable; Ksat of 9.17 um/s; moderate permeability; clay films on all faces of peds; fragments; noneffervescent; clear smooth boundary. Lab sample # 40A29327. patchy - phpvsfiid 1070124; patchy - phpvsfiid 1070124
    Bt2—28 to 41 centimeters (11.0 to 16.1 inches); brown (10YR 4/3), very dark grayish brown (10YR 3/2), moist; sandy clay loam; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, friable; Ksat of 9.17 um/s; moderate permeability; clay films on all faces of peds; fragments; noneffervescent; clear smooth boundary. Lab sample # 40A29328. continuous - phpvsfiid 1070125; continuous - phpvsfiid 1070125
    Bt3—41 to 48 centimeters (16.1 to 18.9 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; sandy clay loam; weak medium granular parts to weak medium subangular blocky structure; slightly hard, friable; Ksat of 9.17 um/s; moderate permeability; 21.0 roots; clay films on vertical faces of peds; fragments; slight effervescence; clear wavy boundary. Lab sample # 40A29329. patchy - phpvsfiid 1070126; patchy - phpvsfiid 1070126
    Bk1—48 to 58 centimeters (18.9 to 22.8 inches); very pale brown (10YR 7/3), brown (10YR 5/3) and light olive brown (2.5Y 5/3), moist; sandy loam; weak coarse subangular blocky structure; slightly hard, friable; Ksat of 28.225 um/s; moderately rapid permeability; 3 percent carbonate concretions and gypsum threads and 1 percent noncoherent cemented carbonate concretions; fragments; strong effervescence; clear wavy boundary. Lab sample # 40A29330. Visible lime in seams and streaks and in small soft concretions; moderate horizon of accumulation of calcium carbonate.
    Bk2—58 to 76 centimeters (22.8 to 29.9 inches); very pale brown (10YR 8/3) and very pale brown (10YR 8/2), pale brown (10YR 6/3), moist; sandy loam; massive; very hard, firm; Ksat of 28.225 um/s; moderately rapid permeability; fragments; strong effervescence; clear wavy boundary. Lab sample # 40A29331. Moderate to prominent horizon of accumulated calcium carbonate.
    Bk3—76 to 91 centimeters (29.9 to 35.8 inches); very pale brown (10YR 8/3), very pale brown (10YR 7/3), moist; sandy loam; massive; hard, friable; Ksat of 28.225 um/s; moderately rapid permeability; 1 percent medium carbonate concretions; fragments; strong effervescence; clear wavy boundary. Lab sample # 40A29332
    C1—91 to 132 centimeters (35.8 to 52.0 inches); very pale brown (10YR 7/3), grayish brown (10YR 5/2), moist; sandy loam; massive; hard, friable; Ksat of 28.225 um/s; moderately rapid permeability; carbonate, finely disseminated; fragments; strong effervescence; gradual wavy boundary. Lab sample # 40A29333. Lime well disseminated.
    C2—132 to 221 centimeters (52.0 to 87.0 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; sandy loam; massive; slightly hard, friable; Ksat of 28.225 um/s; moderately rapid permeability; carbonate, finely disseminated; fragments; strong effervescence; clear smooth boundary. Lab sample # 40A29334
    Cr—221 centimeters (87.0 inches); pale olive (5Y 6/3), olive (5Y 5/3), moist; bedrock; Ksat of 0.915 um/s; slow permeability; sandstone, unspecified fragments. Lab sample # 40A29335. Sandstone shale interbedded, Laramie formation.