IDENTIFIERS

  • Current Taxon Name (Soil Name): Forgan
  • OSD
  • Series Extent
  • Local Phase: loam
  • User Site ID: S1999OK007001
  • User Pedon ID: S1999OK007001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 00P0181
  • NCSS Pedon Lab Data NASIS Record ID - 11689
  • Print Date: 11/26/2024

    • 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: 36.9304504
  • Std. Longitude: -100.7643433
  • Datum: WGS84
  • Township: 5N
  • Range: 21E
  • Section: 2
  • PLSS Details: 50 feet east, 2000 feet south of the northwest corner
  • Location Description: 50 feet east, 2000 feet south of the northwest corner of section 2, T. 5 N., R. 21 E.
  • Country: US—United States
  • MLRA: 77A—Southern High Plains, Northern Part
  • 7.5 Minute USGS Quad: 36100-H7—Turpin NE, Oklahoma

    • PEDON

  • Describers Name: Troy Collier, Carl Woods
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Aridic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Forgan (flagged as OSD)
  • PSC - 9 to 59 cm.
  • Classificaton Date - 5/13/2014
  • Classifier - Steven McGowen
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Forgan
  • Classificaton Date - 10/4/1999
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Parent Material: loamy eolian deposits
  • Geomorphic Component Hills: interfluve
  • Geomorphic Component Flats: talf
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/4/1999 (actual site observation date)
  • Air Photo ID: 19
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    secondary carbonates

    0—36

    9—183

    60—203

    —36—

    —-

    —-
    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

    300

    —

    837

    —

    150

    508

    —

    185

    14

    —

    —

    15

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 9 centimeters (0.0 to 3.5 inches); brown (10YR 4/3), dark brown (10YR 3/3) rubbed, moist; loam; 45 percent sand; 41 percent silt; 14 percent clay; moderate fine granular structure; slightly hard, very friable; moderate permeability; 0.8 fine roots throughout; fragments; noneffervescent, by hcl, unspecified; abrupt smooth boundary.; observed in pit, small
    Bt1—9 to 36 centimeters (3.5 to 14.2 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2) rubbed, moist; loam; 39 percent sand; 40 percent silt; 21 percent clay; weak medium prismatic parts to moderate medium subangular blocky structure; slightly hard, friable; moderate permeability; 0.8 fine roots throughout; 10 percent faint clay films on vertical faces of peds; 1 percent fine worm casts; fragments; noneffervescent, by hcl, unspecified; clear smooth boundary.; observed in pit, small. discontinuous - phpvsfiid 91614; discontinuous - phpvsfiid 91614
    Bt2—36 to 60 centimeters (14.2 to 23.6 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2) broken face, moist; loam; 42 percent sand; 34 percent silt; 25 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, friable; moderate permeability; 0.8 fine roots throughout; 30 percent distinct clay films on vertical faces of peds; 1 percent fine worm casts; fragments; noneffervescent, by hcl, unspecified; clear smooth boundary.; observed in pit, small. continuous - phpvsfiid 91613; continuous - phpvsfiid 91613
    Btk1—60 to 82 centimeters (23.6 to 32.3 inches); very pale brown (10YR 7/4), light yellowish brown (10YR 6/4) broken face, moist; clay loam; 32 percent sand; 40 percent silt; 28 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, friable; moderately slow permeability; 30 percent distinct clay films on vertical faces of peds; 10 percent medium irregular carbonate masses; fragments; strong effervescence, by hcl, unspecified; gradual wavy boundary.; observed in pit, small. continuous - phpvsfiid 91612; continuous - phpvsfiid 91612
    Btk2—82 to 103 centimeters (32.3 to 40.6 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4) broken face, moist; loam; 41 percent sand; 35 percent silt; 23 percent clay; weak medium prismatic parts to moderate medium subangular blocky structure; hard, friable; moderate permeability; 30 percent distinct clay films on vertical faces of peds; 10 percent medium irregular carbonate masses; fragments; strong effervescence, by hcl, unspecified; clear wavy boundary.; observed in pit, small. continuous - phpvsfiid 91611; continuous - phpvsfiid 91611
    Btk3—103 to 164 centimeters (40.6 to 64.6 inches); reddish yellow (7.5YR 6/6), strong brown (7.5YR 5/6) broken face, moist; fine sandy loam; 76 percent sand; 13 percent silt; 11 percent clay; weak coarse prismatic parts to weak medium subangular blocky structure; slightly hard, very friable; moderately rapid permeability; 8 percent faint clay films on vertical faces of peds; 1 percent fine threadlike carbonate masses; fragments; slight effervescence, by hcl, unspecified; clear smooth boundary.; observed in pit, small. discontinuous - phpvsfiid 91610; discontinuous - phpvsfiid 91610
    Btk4—164 to 203 centimeters (64.6 to 79.9 inches); strong brown (7.5YR 5/6), strong brown (7.5YR 4/6) broken face, moist; fine sandy loam; 67 percent sand; 19 percent silt; 14 percent clay; weak coarse prismatic parts to weak medium subangular blocky structure; slightly hard, very friable; moderately rapid permeability; 8 percent faint clay films on vertical faces of peds; 10 percent fine threadlike carbonate masses; fragments; slight effervescence, by hcl, unspecified.; observed in pit, small. discontinuous - phpvsfiid 91609; discontinuous - phpvsfiid 91609