IDENTIFIERS

  • User Site ID: S2013CO029026
  • User Pedon ID: S2013CO029026
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Print Date: 2/18/2026

    • 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: 38.6225201
  • Std. Longitude: -107.8886795
  • Datum: WGS84
  • Map Unit: 23—Chipeta silty clay, 3 to 30 percent slopes
  • State: Colorado
  • County: CO029—Delta
  • MLRA: 34B—Warm Central Desertic Basins and Plateaus
  • Non-MLRA Soil Survey Area: CO679—Paonia Area, Colorado, Parts of Delta, Gunnison, and Montrose Counties

    • PEDON

  • Describers Name: David A Dearstyne
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Unnamed
  • Taxonomic Class - Fine, mixed, active, mesic Ustic Haplargids
  • Taxon Kind - family
  • Classificaton Date - 7/11/2013
  • Classifier - David Dearstyne
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/8/2013 (actual site observation date)
  • Data Collector: David Dearstyne
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    16

    —

    —

    1682

    —

    90

    27

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    —

    —

    —

    —

    —

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    A—0 to 10 centimeters (0.0 to 3.9 inches); gray (10YR 6/1), dark grayish brown (10YR 4/2), moist; 38 percent clay; weak coarse subangular blocky parts to weak fine granular structure; slightly hard, friable, very sticky, moderately plastic; few fine dendritic tubular and many fine vesicular pores; 1 percent by volume subangular moderately coherent cemented 2-?-75 millimeter shale, unspecified fragments; violent effervescence; strongly alkaline, pH 8.8; clear smooth boundary.
    Btz1—10 to 25 centimeters (3.9 to 9.8 inches); grayish brown (10YR 5/2), brown (10YR 4/3), moist; 42 percent clay; weak medium subangular blocky parts to moderate fine subangular blocky structure; hard, friable, very sticky, very plastic; few fine dendritic tubular and few fine vesicular pores; 70 percent distinct clay films on all faces of peds; 5 percent fine salt crystals; fragments; violent effervescence; strongly alkaline, pH 8.6; clear smooth boundary.
    Btz2—25 to 46 centimeters (9.8 to 18.1 inches); light gray (10YR 7/2), dark grayish brown (10YR 4/2), moist; 50 percent clay; weak coarse subangular blocky parts to moderate medium subangular blocky structure; very hard, firm, very sticky, very plastic; few fine dendritic tubular pores; 90 percent distinct clay films on all faces of peds; 5 percent fine salt crystals; fragments; violent effervescence; moderately alkaline, pH 8.0; gradual wavy boundary.
    BCtz—46 to 61 centimeters (18.1 to 24.0 inches); gray (7.5YR 6/1), brown (7.5YR 4/2), moist; 47 percent clay; 15 percent yellowish red (5YR 5/6) fine and 15 percent yellowish red (5YR 5/6) medium mottles; weak medium subangular blocky parts to weak fine subangular blocky, and weak coarse subangular blocky parts to weak fine subangular blocky structure; very hard, firm, very sticky, very plastic; 60 percent distinct clay films on all faces of peds; 15 percent fine salt crystals throughout; fragments; violent effervescence; moderately alkaline, pH 8.0; gradual wavy boundary.
    BCz—61 to 74 centimeters (24.0 to 29.1 inches); gray (10YR 5/1), dark grayish brown (10YR 4/2), moist; 39 percent clay; massive; hard, friable, very sticky, very plastic; 10 percent fine salt crystals throughout; 18 percent by volume angular moderately coherent cemented 2-?-75 millimeter shale, unspecified fragments; violent effervescence; moderately alkaline, pH 8.4; gradual wavy boundary.
    Cr—74 to 89 centimeters (29.1 to 35.0 inches); fragments.