IDENTIFIERS

  • Current Taxon Name (Soil Name): Colby
  • OSD
  • Series Extent
  • User Site ID: S1958CO099003
  • User Pedon ID: S1958CO099003
  • Vegetation Plot ID: S1958CO099003
  • User Site Association ID: mlra72-benchmark lab pedons
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3855
  • NCSS Pedon Lab Data NASIS Record ID - 39501
  • Print Date: 9/23/2024

    • 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: 38.0125008
  • Std. Longitude: -102.6844406
  • Datum: WGS84
  • Township: 23S
  • Range: 47W
  • Section: 34
  • PLSS Details: 150 feet S and 450 feet E of NW corner
  • Location Description: Prowers County, Colorado.
  • State: Colorado
  • County: CO099—Prowers
  • Non-MLRA Soil Survey Area: CO099—Prowers County, Colorado

    • PEDON

  • Describers Name: E. Milton Payne
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Sampled As Information:
  • Soil Name - Colby
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Aridic Ustor
  • Taxon Kind - series
  • Classificaton Date - 11/4/1958
  • Dynamic Soil Properties:
  • Erosion Class - 3
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/4/1958 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: wind erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    TRITI

    Triticum

    wheat

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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

    2

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    1173

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    A1p—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; silt loam; weak fine subangular blocky parts to weak fine granular structure; slightly hard, very friable; fragments; violent effervescence; abrupt smooth boundary. Lab sample # 40A29542. Caused by tillage implements.
    A12—8 to 15 centimeters (3.1 to 5.9 inches); dark grayish brown (10YR 4/2) and pale brown (10YR 6/3), light brownish gray (10YR 6/2) and light gray (10YR 7/2), dry; loam; weak very coarse platy structure; very hard, friable; fragments; violent effervescence; abrupt smooth boundary. Lab sample # 40A29543. This is a tillage pan.
    AC—15 to 28 centimeters (5.9 to 11.0 inches); brown (10YR 5/3), light brownish gray (10YR 6/2), dry; silt loam; weak coarse prismatic parts to weak coarse subangular blocky structure; hard, very friable; 10 percent clay films on vertical faces of peds; 10 percent carbonate concretions; fragments; violent effervescence; gradual smooth boundary. Lab sample # 40A29544. patchy - phpvsfiid 187673; patchy - phpvsfiid 187673
    C1—28 to 58 centimeters (11.0 to 22.8 inches); grayish brown (10YR 5/2), light brownish gray (10YR 6/2), dry; loam; weak coarse prismatic parts to weak medium subangular blocky structure; slightly hard, very friable; fragments; violent effervescence; gradual smooth boundary. Lab sample # 40A29545
    C2—58 to 79 centimeters (22.8 to 31.1 inches); grayish brown (10YR 5/2), light gray (10YR 7/2), dry; very fine sandy loam; massive; slightly hard, very friable; fragments; violent effervescence; gradual smooth boundary. Lab sample # 40A29546
    C3—79 to 152 centimeters (31.1 to 59.8 inches); brown (10YR 5/3), very pale brown (10YR 7/3), dry; very fine sandy loam; massive; slightly hard, very friable; 21.0 fine pores; fragments; violent effervescence. Lab sample # 40A29547