IDENTIFIERS

  • Current Taxon Name (Soil Name): Fort
  • OSD
  • Series Extent
  • User Site ID: 99CO073148
  • User Pedon ID: 99CO073148
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 90P0039
  • NCSS Pedon Lab Data NASIS Record ID - 61972
  • Print Date: 11/27/2024
  • 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: 38.5593889
  • Std. Longitude: -103.5578889
  • Datum: WGS84
  • Township: 17 S.
  • Range: 55 W.
  • Section: 22
  • PLSS Details: NW 1/4 NW 1/4
  • Map Unit: 129—Fort loam, 1 to 3 percent slopes
  • State: Colorado
  • County: CO073—Lincoln
  • MLRA: 69—Upper Arkansas Valley Rolling Plains
  • MLRA Soil Survey Area: NW-PUE—Pueblo, Colorado
  • Non-MLRA Soil Survey Area: CO073—Lincoln County, Colorado
  • 7.5 Minute USGS Quad: 38103-E5—Metz Springs, Colorado
  • PEDON

  • Describers Name: LC
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Ustic Haplargids
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 234
  • Correlated Information:
  • Soil Name - Fort
  • PSC - 18 to 69 cm.
  • Classificaton Date - 6/13/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Ulm
  • Classificaton Date - 8/18/1989
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: alluvium
  • Landform: plain
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Pierre Shale formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/18/1989 (actual site observation date)
  • Air Photo ID: 277-241
  • 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
  • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    A

    Bt

    Btk1

    Btk2

    Bk1

    Bk2

    0

    18

    38

    51

    89

    109

    18

    38

    51

    89

    109

    152

    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    A

    Bt

    Btk1

    Btk2

    Bk1

    Bk2

    0

    18

    38

    51

    89

    109

    18

    38

    51

    89

    109

    152

    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    A

    Bt

    Btk1

    Btk2

    Bk1

    Bk2

    0

    18

    38

    51

    89

    109

    18

    38

    51

    89

    109

    152

    0

    0

    15

    10

    15

    9

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

    ochric epipedon

    argillic horizon

    0—18

    18—89

    —-

    —-

    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

    1

    180

    330

    10

    A—0 to 18 centimeters (0.0 to 7.1 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; clay loam; 29 percent clay; moderate fine granular structure; hard, very friable, slightly sticky, slightly plastic; fragments; noneffervescent; clear smooth boundary. Lab sample # 84P03840; moist when described;
    Bt—18 to 38 centimeters (7.1 to 15.0 inches); brown (10YR 5/3), brown (10YR 4/3), moist; clay; 42 percent clay; moderate medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; fragments; noneffervescent; clear smooth boundary. Lab sample # 84P03840; moist when described;
    Btk1—38 to 51 centimeters (15.0 to 20.1 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; clay loam; 38 percent clay; moderate medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 5 percent fine distinct irregular carbonate masses in matrix; fragments; strong effervescence; clear smooth boundary. Lab sample # 84P03841; moist when described;
    Btk2—51 to 89 centimeters (20.1 to 35.0 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; clay loam; 36 percent clay; moderate medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 22 percent fine distinct irregular carbonate masses in matrix; fragments; violent effervescence; clear smooth boundary. Lab sample # 84P03842; moist when described;
    Bk1—89 to 109 centimeters (35.0 to 42.9 inches); very pale brown (10YR 7/4), light yellowish brown (10YR 6/4), moist; loam; 25 percent clay; massive; very hard, firm, moderately sticky, slightly plastic; 20 percent fine distinct irregular carbonate masses in matrix; fragments; violent effervescence; clear smooth boundary.; dry when described;
    Bk2—109 to 152 centimeters (42.9 to 59.8 inches); light yellowish brown (2.5Y 6/4), light olive brown (2.5Y 5/4), moist; coarse sandy loam; 18 percent clay; massive; hard, friable, slightly sticky, nonplastic; 15 percent fine distinct irregular gypsum masses in matrix; fragments; violent effervescence.; dry when described;