IDENTIFIERS

  • Current Taxon Name (Soil Name): hayfork
  • OSD
  • Series Extent
  • User Site ID: ok055-HfkA-hayfork-1
  • User Pedon ID: s2000ok-055-006 hayfork
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 00P1361
  • NCSS Pedon Lab Data NASIS Record ID - 12854
  • Print Date: 11/21/2024

    • 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: 35.1025429
  • Std. Longitude: -99.6553116
  • Datum: WGS84
  • Township: 7N
  • Range: 23W
  • Section: 5
  • PLSS Details: 60 feet north and 1340 feet east of the southwest corner
  • Location Description: From the intersection of highways 283 and 34 in Mangum; Go 16 miles North and 7 miles West.
  • Map Unit: HfkA—Hayfork silty clay loam, 0 to 1 percent slopes, rarely flooded
  • Country: US—United States
  • State: Oklahoma
  • County: OK055—Greer
  • MLRA: 78C—Central Rolling Red Plains, Eastern Part
  • Regional Office: SC—South Central
  • Non-MLRA Soil Survey Area: OK055—Greer County, Oklahoma
  • 7.5 Minute USGS Quad: 35099-A6—Plainview, Oklahoma

    • PEDON

  • Describers Name: RJM, RFG
  • Current Taxonomic Class: Clayey, mixed, superactive, thermic Pachic Haplustolls
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - hayfork
  • Classificaton Date - 9/10/2004
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - ustic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - clearfork
  • Classificaton Date - 7/21/2000
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey alluvium
  • Landform: flood plain
  • Runoff: medium
  • Drainage Class: well
  • Flooding: rare flooding for very brief periods
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/21/2000 (actual site observation date)
  • Air Photo ID: E-1
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - rangeland, shrubby
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    0.3

    —

    —

    517

    —

    90

    635

    —

    210

    16.1

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 9 centimeters (0.0 to 3.5 inches); brown (7.5YR 5/2) crushed, dark brown (7.5YR 3/2) crushed, moist; silt loam; 24 percent clay; moderate fine subangular blocky parts to moderate medium granular, and moderate fine subangular blocky parts to moderate fine granular structure; very hard, friable; 4.0 very fine roots throughout and 2.0 medium roots throughout and 3.0 fine roots throughout; 8.0 very fine and 2.0 medium and 7.0 fine pores; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.3, hellige-truog; clear boundary.; dry when described; observed in auger, bucket
    A2—9 to 28 centimeters (3.5 to 11.0 inches); brown (7.5YR 4/2) crushed, dark brown (7.5YR 3/2) crushed, moist; silty clay; 45 percent clay; moderate medium prismatic parts to strong medium subangular blocky structure; extremely hard, firm; very fine roots throughout and very fine roots between peds and 6.0 fine roots between peds and 3.0 fine roots throughout; 8.0 very fine and 3.0 medium and 7.0 fine pores; fragments; noneffervescent, by hcl, 1n; neutral, pH 7.2, hellige-truog; gradual boundary.; dry when described; observed in auger, bucket
    Bk—28 to 68 centimeters (11.0 to 26.8 inches); reddish brown (5YR 4/3) interior, dark reddish brown (5YR 3/3) interior, moist; silty clay; 42 percent clay; moderate coarse prismatic parts to strong medium angular blocky structure; extremely hard, firm; 0.1 very fine roots throughout and very fine roots between peds and 6.0 fine roots between peds; 4.0 very fine and 0.1 medium and 3.0 fine pores; 10 percent distinct pressure faces; 2 percent fine carbonate masses and 1 percent medium carbonate masses; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; gradual boundary.; dry when described; observed in auger, bucket
    Bky1—68 to 104 centimeters (26.8 to 40.9 inches); reddish brown (5YR 5/3) interior, reddish brown (5YR 4/3) interior, moist; silty clay loam; 40 percent clay; extremely hard, firm; very fine roots between peds and 4.0 fine roots between peds; 1 percent fine gypsum crystals, unspecified and 3 percent fine carbonate masses and 1 percent medium carbonate masses; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; clear boundary.; dry when described; observed in auger, bucket
    Bky2—104 to 127 centimeters (40.9 to 50.0 inches); reddish brown (5YR 5/4) interior, reddish brown (5YR 4/4) interior, moist; silty clay loam; 33 percent clay; very hard, friable; very fine roots and 1.0 fine roots; 5 percent fine gypsum crystals, unspecified and 2 percent fine carbonate masses and 3 percent medium gypsum crystals, unspecified and 1 percent medium carbonate masses; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; clear boundary.; dry when described; observed in auger, bucket
    Cyz—127 to 153 centimeters (50.0 to 60.2 inches); 60 percent reddish brown (5YR 5/4) interior and 40 percent reddish brown (5YR 5/3) interior, 60 percent reddish brown (5YR 4/4) interior and 40 percent reddish brown (5YR 4/3) interior, moist; stratified stratified silty clay loam; 35 percent clay; very hard, friable; 10 percent fine gypsum crystals, unspecified and fine salt crystals; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog.; dry when described; observed in auger, bucket