IDENTIFIERS

  • Current Taxon Name (Soil Name): Fort Dodge
  • OSD
  • Series Extent
  • User Site ID: S1965IA089932
  • User Pedon ID: S1965IA089932
  • User Site Association ID: 11-WAV_Terril_Pedons11-WAV_Fort Dodge_Pedons
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - ISU2015
  • Lab Pedon # - X45-492-2
  • NCSS Pedon Lab Data NASIS Record ID - 75272
  • Print Date: 12/4/2024
  • 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: 43.3674700
  • Std. Longitude: -92.0802800
  • Datum: WGS84
  • Township: 99N
  • Range: 11W
  • Section: 25
  • PLSS Details: 82 feet south and 62 feet west of the northeast corner of SE1/4NE1/4
  • Country: US—United States
  • State: Iowa
  • County: IA089—Howard
  • MLRA: 104—Eastern Iowa and Minnesota Till Prairies
  • Regional Office: 11—Indianapolis, IN
  • MLRA Soil Survey Area: NC-WAV—Waverly, Iowa
  • Non-MLRA Soil Survey Area: IA089—Howard County, Iowa
  • PEDON

  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Cumulic Hapludolls
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Fort Dodge
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/17/2022
  • Soil Taxonomic Edition - twelfth edition
  • Sampled As Information:
  • Soil Name - Terril
  • Taxonomic Class - Fine-loamy, mixed, superactive, mesic Cumulic Hapludolls
  • Taxon Kind - series
  • Classificaton Date - 12/8/1964
  • Classifier - Unknown
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1


  • SITE

  • Parent Material: fine-loamy colluvium
  • Landform: drainageway
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/8/1964 (actual site observation date)
  • Data Collector: Unknown
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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 % % % % % % % % % % % % %

    Ap

    A

    A

    AB

    Bw1

    Bw1

    Bw2

    BC

    0

    18

    36

    53

    74

    86

    99

    112

    18

    36

    53

    74

    86

    99

    112

    119

    729

    730

    731

    732

    733

    734

    735

    Iowa State University

    Iowa State University

    Iowa State University

    Iowa State University

    Iowa State University

    Iowa State University

    Iowa State University

    Iowa State University

    21.6

    20.9

    20.9

    19.9

    19.9

    16.6

    62.4

    63.7

    63.7

    47

    47

    36.2

    29.5

    21.6

    21.6

    25.2

    25.2

    16.4

    32.9

    42.1

    42.1

    21.8

    21.8

    19.8

    16

    15.4

    15.4

    24.9

    33.1

    33.1

    47.2

    70.4

    sil

    sil

    sil

    l

    l

    l

    6.9

    7.4

    7.2

    7.2

    7

    7.1

    7.1

    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

    Ap

    A

    A

    AB

    Bw1

    Bw1

    Bw2

    BC

    0

    18

    36

    53

    74

    86

    99

    112

    18

    36

    53

    74

    86

    99

    112

    119

    729

    730

    731

    732

    733

    734

    735

    6.8

    7.1

    7

    7

    7.1

    7.2

    7.3

    156

    60

    65

    68

    79

    40

    37

    156

    60

    65

    68

    79

    40

    37

    100

    100

    100

    100

    100

    100

    100

    100

    100

    100

    100

    100

    100

    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 %

    Ap

    A

    A

    AB

    Bw1

    Bw1

    Bw2

    BC

    0

    18

    36

    53

    74

    86

    99

    112

    18

    36

    53

    74

    86

    99

    112

    119

    729

    730

    731

    732

    733

    734

    735

    89

    17

    12

    14

    19

    9

    7

    156

    60

    65

    68

    79

    40

    37

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

    mollic epipedon

    cambic horizon

    0—99

    99—112

    —99—

    —13—

    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

    0

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark brown (10YR 2/2) silt loam; weak fine granular structure; friable; black (10YR 2/1), moist, organic stains on all faces of peds; fragments; 37 ? of NH3 Final; 26 ? of P; 18.9 Percent of H2O; neutral, pH 6.8, unspecified; clear smooth boundary. Lab sample # ISU03665
    A—18 to 53 centimeters (7.1 to 20.9 inches); very dark brown (10YR 2/2) silt loam; weak fine granular structure; friable; few fine pores; black (10YR 2/1), moist, organic stains on all faces of peds; fragments; 16 NH3 Final,2; 19 ? of NH3 Final,1; 10 ? of P,1; 12 ? of P,2; 17.8 Percent of H2O,2; 18.1 Percent of H2O1; neutral, pH 7.1, unspecified; gradual smooth boundary. Lab sample # ISU03666
    AB—53 to 74 centimeters (20.9 to 29.1 inches); very dark grayish brown (10YR 3/2) loam; weak fine granular structure; friable; very dark brown (10YR 2/2), moist, organic stains on all faces of peds; fragments; 11 ? of NH3 Final; 12 ? of P; 15.5 Percent of H2O; neutral, pH 6.8, unspecified; clear smooth boundary. Lab sample # ISU03667. continuous - phpvsfiid 1948990; continuous - phpvsfiid 1948990
    Bw1—74 to 99 centimeters (29.1 to 39.0 inches); dark brown (10YR 3/3) loam; weak medium prismatic parts to weak fine subangular blocky structure; friable; very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; fragments; 14 NH3 Final,2; 11 ? of P,1; 17 ? of NH3 Final,1; 7 ? of P,2; 14.1 Percent of H2O1; 12.4 Percent of H2O,2; neutral, pH 6.7, unspecified; gradual smooth boundary. Lab sample # ISU03668. discontinuous - phpvsfiid 1948991; discontinuous - phpvsfiid 1948991
    Bw2—99 to 112 centimeters (39.0 to 44.1 inches); dark yellowish brown (10YR 4/4) loam; weak medium prismatic parts to weak coarse subangular blocky structure; friable; brown (10YR 4/3), moist, organic stains on all faces of peds; fragments; 7 ? of P; 14 ? of NH3 Final; 12 Percent of H2O; slightly acid, pH 6.5, unspecified; clear smooth boundary. Lab sample # ISU03669. discontinuous - phpvsfiid 1948992; discontinuous - phpvsfiid 1948992
    BC—112 to 119 centimeters (44.1 to 46.9 inches); yellowish brown (10YR 5/6) sandy loam; weak medium prismatic parts to weak coarse subangular blocky structure; very friable; fragments; abrupt smooth boundary. Lab sample # ISU03670
    2C—119 to 145 centimeters (46.9 to 57.1 inches); yellowish brown (10YR 5/6) gravelly loamy sand; structureless massive; loose; 20 percent by volume 2-?-76 millimeter mixed fragments. All fragment information estimated based on "gravelly loamy sand" description.