IDENTIFIERS

  • Current Taxon Name (Soil Name): Heldt
  • OSD
  • Series Extent
  • User Site ID: S1999CO087002
  • User Pedon ID: 99CO087002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 99P0379
  • NCSS Pedon Lab Data NASIS Record ID - 11238
  • Print Date: 9/24/2024
  • 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: 40.2905006
  • Std. Longitude: -103.5698853
  • Datum: WGS84
  • Township: 4N
  • Range: 55W
  • Section: 30
  • PLSS Details: 120 feet S and 5280 feet W of the NE 1/4
  • State: Colorado
  • County: CO087—Morgan
  • MLRA: 67—Central High Plains
  • Non-MLRA Soil Survey Area: CO087—Morgan County, Colorado
  • 7.5 Minute USGS Quad: 40103-C5—Brush East, Colorado
  • PEDON

  • Describers Name: jwb, ms
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Torrertic Haplustepts
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Heldt
  • Classificaton Date - 6/15/2007
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Heldt
  • Taxonomic Class - Fine, smectitic, mesic Typic Haplustert
  • Taxon Kind - series
  • Classificaton Date - 6/30/1999
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: plains
  • Landform: terrace
  • Runoff: high
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/30/1999 (actual site observation date)
  • Air Photo ID: 43
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: wind and water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    slickensides

    0—15

    15—69

    15—203

    —-

    —-

    —-

    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

    0

    1280

    180

    356

    8.9

    Ap—0 to 16 centimeters (0.0 to 6.3 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2) crushed and dark grayish brown (10YR 4/2), moist; clay; 42 percent clay; weak fine subangular blocky, and weak medium subangular blocky parts to weak fine granular structure; hard when dry, firm, moderately sticky, moderately plastic; slow permeability; 8.0 very fine roots; fragments; very slight effervescence; moderately alkaline, pH 8.0, hellige-truog; abrupt smooth boundary. Lab sample # 99P02069
    Bw1—16 to 26 centimeters (6.3 to 10.2 inches); grayish brown (10YR 5/2), dark grayish brown (2.5Y 4/2) and grayish brown (10YR 5/2) crushed, moist; clay; 48 percent clay; moderate medium prismatic parts to strong fine angular blocky, and strong medium angular blocky structure; very hard, very firm, very sticky, very plastic; slow permeability; 2.0 very fine roots; 0.8 very fine tubular pores; fragments; very slight effervescence; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 99P02070
    Bw2—26 to 51 centimeters (10.2 to 20.1 inches); grayish brown (2.5Y 5/2), grayish brown (10YR 5/2) crushed and dark grayish brown (2.5Y 4/2), moist; clay loam; 35 percent clay; weak medium prismatic parts to moderate fine angular blocky, and moderate medium angular blocky structure; hard when dry, firm, slightly sticky, slightly plastic; moderately slow permeability; 4.0 very fine roots; 3.0 very fine tubular pores; fragments; 8.19999981 Thymol-blue; slight effervescence; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 99P02071
    Bw3—51 to 69 centimeters (20.1 to 27.2 inches); light yellowish brown (2.5Y 6/3), light olive brown (2.5Y 5/3) and grayish brown (10YR 5/2) crushed, moist; clay loam; 30 percent clay; weak medium prismatic parts to moderate fine and medium subangular blocky structure; hard when dry, firm, slightly sticky, slightly plastic; moderately slow permeability; 0.8 very fine roots; 0.8 very fine vesicular and 2.0 very fine tubular and 2.0 fine tubular pores; 6 percent faint clay films in root channels and/or pores; worm casts; fragments; slight effervescence; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 99P02072
    Bk—69 to 108 centimeters (27.2 to 42.5 inches); light olive brown (2.5Y 5/3), dark grayish brown (2.5Y 4/2) and dark grayish brown (10YR 4/2) crushed, moist; very fine sandy loam; 17 percent clay; weak medium prismatic parts to weak medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; moderate permeability; 0.8 very fine roots; 4.0 very fine vesicular pores; fragments; slight effervescence; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 99P02073
    Bss—108 to 160 centimeters (42.5 to 63.0 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2) and dark grayish brown (10YR 4/2) crushed, moist; clay; 45 percent clay; moderate medium subangular blocky, and moderate medium angular blocky structure; very hard, very firm, very sticky, very plastic; slow permeability; 0.8 very fine roots; 0.8 very fine vesicular and 0.8 fine vesicular pores; 2 percent fine salt masses and 5 percent fine gypsum crystals, unspecified; fragments; 8.19999981 Thymol-blue; slight effervescence; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 99P02074
    Bssy—160 to 203 centimeters (63.0 to 79.9 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2) and dark grayish brown (10YR 4/2) crushed, moist; clay; 40 percent clay; weak coarse prismatic parts to weak medium subangular blocky structure; hard when dry, firm, very sticky, very plastic; slow permeability; 0.8 very fine tubular and 0.8 fine vesicular pores; 5 percent fine irregular salt masses and fine gypsum crystals, unspecified; fragments; slight effervescence; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 99P02075