IDENTIFIERS

  • User Site ID: S2013CO029016
  • User Pedon ID: S2013CO029016
  • 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: 800—Persayo loam, 4 to 25 percent slopes
  • State: Colorado
  • County: CO029—Delta
  • MLRA: 34B—Warm Central Desertic Basins and Plateaus
  • Non-MLRA Soil Survey Area: CO677—Ridgway Area, Colorado, Parts of Delta, Gunnison, Montrose, and Ouray 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 - Clayey, mixed, active, mesic, shallow Typic Haplargids
  • Taxon Kind - family
  • Classificaton Date - 6/27/2013
  • Classifier - David Dearstyne
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/27/2013 (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

    11

    —

    —

    1660

    —

    0

    24

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    A—0 to 9 centimeters (0.0 to 3.5 inches); gray (10YR 5/1), very dark gray (10YR 3/1), moist; 21 percent clay; weak medium platy parts to weak fine granular structure; slightly hard, very friable, slightly sticky, slightly plastic; few very fine roots and few fine roots; fragments; strong effervescence; moderately alkaline, pH 8.2; abrupt smooth boundary.
    BCtz—9 to 21 centimeters (3.5 to 8.3 inches); gray (10YR 5/1), very dark gray (10YR 3/1), moist; 39 percent clay; weak fine subangular blocky parts to weak coarse granular, and weak fine subangular blocky parts to weak medium granular structure; hard, firm, very sticky, very plastic; few very fine roots and few fine roots; 20 percent faint clay films on all faces of peds; 2 percent fine threadlike salt masses and 3 percent medium threadlike salt masses; fragments; slight effervescence; moderately alkaline, pH 8.2; clear wavy boundary.
    C—21 to 33 centimeters (8.3 to 13.0 inches); dark gray (10YR 4/1), dark gray (10YR 4/1), moist; 33 percent clay; massive; hard, friable, moderately sticky, moderately plastic; 20 percent by volume angular moderately coherent cemented 2-?-75 millimeter shale, unspecified fragments; slight effervescence; moderately alkaline, pH 8.2; gradual wavy boundary.
    Cr—33 to 46 centimeters (13.0 to 18.1 inches); fragments; moderately alkaline, pH 8.0.