IDENTIFIERS

  • Current Taxon Name (Soil Name): Forkwood
  • OSD
  • Series Extent
  • User Site ID: S1992WY019001
  • User Pedon ID: 92WY019001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0926
  • NCSS Pedon Lab Data NASIS Record ID - 65157
  • Print Date: 4/19/2025

    • 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: 44.3341675
  • Std. Longitude: -106.5269470
  • Datum: WGS84
  • Location Description: NRST Site I1
  • State: Wyoming
  • County: WY019—Johnson
  • MLRA: 58B—Northern Rolling High Plains, Southern Part

    • PEDON

  • Describers Name: Michael Whited, John Warner, Phil Derr, Everett Bainter
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Forkwood
  • Taxonomic Class - Fine-loamy, mixed Ustollic Haplargids
  • PSC - 19 to 61 cm.
  • Classificaton Date - 7/9/1992
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: foothills
  • Landform: alluvial fan
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: toeslope
  • Slope Position: lower third
  • Slope Shape Across: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/9/1992 (actual site observation date)
  • 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
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—12

    19—61

    —-

    —-
    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

    9

    —

    —

    1356

    —

    75

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 12 centimeters (0.0 to 4.7 inches); pale brown (10YR 6/3) exterior, brown (10YR 4/3) crushed, moist; silt loam; weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; 21.0 very fine and fine roots and 3.0 medium roots and 0.5 coarse roots; fragments; very slight effervescence; abrupt wavy boundary. Lab sample # 92P05563. A horizon thickness varies from 5 cm in innerspace to 14 cm under shrubs
    AB—12 to 19 centimeters (4.7 to 7.5 inches); grayish brown (10YR 5/2) exterior, very dark grayish brown (10YR 3/2) exterior, moist; silty clay loam; weak medium subangular blocky parts to moderate thin platy structure; slightly hard, friable, moderately sticky, moderately plastic; 21.0 very fine and fine roots and 3.0 medium and coarse roots; fragments; very slight effervescence; abrupt wavy boundary. Lab sample # 92P05564
    Bt1—19 to 36 centimeters (7.5 to 14.2 inches); brown (10YR 5/3) crushed, brown (10YR 4/3) crushed, moist; silty clay loam; moderate medium prismatic parts to moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 3.0 very fine and fine roots and 0.5 medium and coarse roots; distinct very dark grayish brown (10YR 3/2) clay films on faces of peds and in pores; fragments; strong effervescence; clear wavy boundary. Lab sample # 92P05565. patchy - phpvsfiid 177874; patchy - phpvsfiid 177874
    Bt2—36 to 61 centimeters (14.2 to 24.0 inches); brown (10YR 5/3) crushed, brown (10YR 4/3) crushed, moist; silty clay loam; moderate medium prismatic parts to moderate fine and medium subangular blocky parts to moderate fine and medium angular blocky structure; hard, firm, very sticky, moderately plastic; 3.0 very fine and fine roots and 3.0 medium roots; faint clay films on faces of peds and in pores; 1 percent fine irregular carbonate masses and 1 percent fine cylindrical carbonate threads; fragments; strong effervescence; clear wavy boundary. Lab sample # 92P05566. patchy - phpvsfiid 177875; patchy - phpvsfiid 177875
    Bk—61 to 108 centimeters (24.0 to 42.5 inches); very pale brown (10YR 7/3) crushed, brown (10YR 5/3) crushed, moist; silty clay loam; weak medium prismatic structure; slightly hard, friable, very sticky, moderately plastic; 0.5 very fine and fine roots; 3 percent fine cylindrical carbonate threads; 1 percent by volume 2-39-75 millimeter mixed fragments; strong effervescence; clear wavy boundary. Lab sample # 92P05567
    2Btk—108 to 135 centimeters (42.5 to 53.1 inches); pale brown (10YR 6/3) crushed, brown (10YR 4/3) crushed and dark brown (10YR 3/3) exterior, moist; silty clay loam; weak medium prismatic parts to weak medium and coarse subangular blocky structure; slightly hard, friable, very sticky, moderately plastic; 0.5 very fine and fine roots; faint clay films on vertical faces of peds; 1 percent fine cylindrical carbonate threads; 1 percent by volume scoria fragments; strong effervescence; gradual wavy boundary. Lab sample # 92P05568. patchy - phpvsfiid 192745; patchy - phpvsfiid 192745
    2Btz—135 to 200 centimeters (53.1 to 78.7 inches); pale brown (10YR 6/3) crushed and brown (10YR 5/3) exterior, brown (10YR 4/3) crushed and dark brown (10YR 3/3) exterior, moist; silty clay loam; weak medium prismatic parts to weak medium and coarse subangular blocky structure; slightly hard, friable, very sticky, moderately plastic; 0.5 very fine and fine roots; faint clay films on vertical faces of peds; 3 percent fine and medium irregular salt masses; 1 percent by volume scoria fragments; strong effervescence; abrupt wavy boundary. Lab sample # 92P05569. patchy - phpvsfiid 192746; patchy - phpvsfiid 192746