IDENTIFIERS

  • Current Taxon Name (Soil Name): Fort
  • OSD
  • Series Extent
  • User Site ID: 99CO073157
  • User Pedon ID: 99CO073157
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 90P0040
  • NCSS Pedon Lab Data NASIS Record ID - 61973
  • 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: 38.6742722
  • Std. Longitude: -103.3764167
  • Datum: WGS84
  • Township: 16 S.
  • Range: 53 S.
  • Section: 7
  • PLSS Details: 300 feet west and 2200 feet north of the SE corner
  • Map Unit: FrB—Fort loam, 0 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-F4—Hubbard Lake, Colorado
  • PEDON

  • Describers Name: Laura Craven
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Ustic Calciargids
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 216
  • Correlated Information:
  • Soil Name - Fort (flagged as OSD)
  • PSC - 7 to 58 cm.
  • Classificaton Date - 6/13/2012
  • Classifier - Laura Craven
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Fort like
  • Classificaton Date - 8/2/1989
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: eolian deposits
  • Landform: hill
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/2/1989 (actual site observation date)
  • Air Photo ID: 277-191
  • 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

    8

    15

    48

    76

    122

    8

    15

    48

    76

    122

    152

    0

    0

    5

    5

    29

    8

    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

    8

    15

    48

    76

    122

    8

    15

    48

    76

    122

    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

    8

    15

    48

    76

    122

    8

    15

    48

    76

    122

    152

    0

    0

    0

    0

    1

    1.6

    0

    0

    5

    5

    29

    8

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

    ochric epipedon

    argillic horizon

    calcic horizon

    0—7

    7—76

    76—122

    —-

    —-

    —-

    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

    3

    225

    330

    10

    A—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; loam; 41 percent sand; 26 percent clay; moderate fine granular structure; slightly hard, very friable, slightly sticky, slightly plastic; fragments; noneffervescent; slightly alkaline, pH 7.4; abrupt smooth boundary. Lab sample # 89P3426
    Bt—8 to 20 centimeters (3.1 to 7.9 inches); brown (10YR 5/3), brown (10YR 4/3), moist; clay loam; 42 percent sand; 32 percent clay; weak medium prismatic parts to moderate medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 55 percent distinct clay films on all faces of peds; fragments; noneffervescent; slightly alkaline, pH 7.4; clear smooth boundary. Lab sample # 89P3427
    Btk1—20 to 48 centimeters (7.9 to 18.9 inches); brown (10YR 5/3), pale brown (10YR 6/3), moist; sandy clay loam; 60 percent sand; 23 percent clay; moderate medium prismatic parts to moderate coarse subangular blocky structure; very hard, friable, moderately sticky, slightly plastic; 15 percent fine distinct irregular carbonate masses in matrix; fragments; violent effervescence; moderately alkaline, pH 8.2; gradual smooth boundary. Lab sample # 89P3429
    Btk2—48 to 76 centimeters (18.9 to 29.9 inches); yellowish brown (10YR 5/4), light yellowish brown (10YR 6/4), moist; sandy clay loam; 52 percent sand; 30 percent clay; moderate medium prismatic parts to moderate coarse subangular blocky structure; very hard, friable, moderately sticky, slightly plastic; 15 percent fine distinct irregular carbonate masses in matrix; fragments; violent effervescence; moderately alkaline, pH 8.2; gradual smooth boundary. Lab sample # 89P3429
    Bk1—76 to 122 centimeters (29.9 to 48.0 inches); very pale brown (10YR 8/2), very pale brown (10YR 7/4), moist; sandy clay loam; 53 percent sand; 30 percent clay; weak medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 15 percent fine distinct irregular carbonate masses in matrix; 10 percent by volume nonflat subrounded indurated 2-4-5 millimeter mixed fragments; violent effervescence; moderately alkaline, pH 8.2; gradual smooth boundary.
    Bk2—122 to 152 centimeters (48.0 to 59.8 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; sandy loam; 77 percent sand; 14 percent clay; massive; slightly hard, friable, slightly sticky, nonplastic; 5 percent fine distinct irregular carbonate masses in matrix; 13 percent by volume nonflat subrounded indurated 2-4-5 millimeter mixed fragments; violent effervescence; moderately alkaline, pH 8.2; gradual smooth boundary.