IDENTIFIERS

  • Current Taxon Name (Soil Name): Opnish
  • OSD
  • Series Extent
  • User Site ID: S1992WA037019
  • User Pedon ID: S1992WA037019
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0386
  • NCSS Pedon Lab Data NASIS Record ID - 64625
  • Print Date: 2/16/2025
  • 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: 46.9830551
  • Std. Longitude: -120.4449997
  • Datum: WGS84
  • Township: 17N
  • Range: 19E
  • Section: 10
  • PLSS Details: 2350 feet E and 1000 feet S of NW corner
  • Location Description: 1 mi. W of Kittitas, WA.
  • State: Washington
  • County: WA037—Kittitas
  • MLRA: 44—Northern Rocky Mountain Valleys
  • Non-MLRA Soil Survey Area: WA637—Kittitas County Area, Washington
  • PEDON

  • Describers Name: Barbara J. Gordon
  • Current Taxonomic Class: Fine, mixed, mesic Typic Argiaquolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 19
  • Correlated Information:
  • Soil Name - Opnish
  • Classificaton Date - 7/23/2007
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Opnish
  • Taxonomic Class - Fine-loamy, mixed, mesic Calcic Pachic Argixeroll
  • Taxon Kind - series
  • Classificaton Date - 12/2/1992
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: river valley
  • Landform: alluvial fan
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: toeslope
  • Slope Shape Across: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/2/1992 (actual site observation date)
  • Air Photo ID: 435-1
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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

    0—61

    20—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

    1

    485

    250

    9

    21

    4

    Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; loam; moderate medium granular, and moderate fine granular structure; hard, friable, slightly sticky, slightly plastic; 21.0 very fine roots throughout and 1.0 coarse roots throughout; 21.0 very fine interstitial and 21.0 fine interstitial pores; fragments, by hcl, 1n; moderately alkaline, pH 8.0, cresol red; clear wavy boundary. Lab sample # 92P02366
    Bt—20 to 33 centimeters (7.9 to 13.0 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; loam; moderate coarse platy, and moderate medium subangular blocky structure; hard, friable, slightly sticky, moderately plastic; 21.0 very fine roots throughout and 1.0 coarse roots throughout; 5.0 very fine interstitial and tubular pores; dark yellowish brown (10YR 4/4) clay films on faces of peds; fragments, by hcl, 1n; moderately alkaline, pH 8.0, cresol red; clear wavy boundary. patchy - phpvsfiid 173657; patchy - phpvsfiid 173657
    Btk1—33 to 46 centimeters (13.0 to 18.1 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; clay loam; moderate medium subangular blocky, and moderate fine prismatic structure; very hard, firm, moderately sticky, moderately plastic; 5.0 very fine roots throughout; 1.0 very fine interstitial and tubular pores; dark yellowish brown (10YR 4/4) clay films on faces of peds and light yellowish brown (10YR 6/4) carbonate coats on faces of peds; fragments, by hcl, 1n; moderately alkaline, pH 8.4, cresol red; clear wavy boundary. Lab sample # 92P02367. patchy - phpvsfiid 173658; patchy - phpvsfiid 173659; patchy - phpvsfiid 173658; patchy - phpvsfiid 173659
    Btk2—46 to 61 centimeters (18.1 to 24.0 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; clay loam; moderate medium subangular blocky, and moderate fine prismatic structure; very hard, firm, moderately sticky, moderately plastic; 5.0 very fine roots throughout; 1.0 very fine interstitial and tubular pores; dark yellowish brown (10YR 4/4) clay films on faces of peds and light yellowish brown (10YR 6/4) carbonate coats on faces of peds; fragments, by hcl, 1n; strongly alkaline, pH 8.6, cresol red; abrupt wavy boundary. Lab sample # 92P02368. patchy - phpvsfiid 173660; patchy - phpvsfiid 173661; patchy - phpvsfiid 173660; patchy - phpvsfiid 173661
    2C—61 to 152 centimeters (24.0 to 59.8 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; extremely gravelly sand; loose, loose, nonsticky, nonplastic; 2-39-75 millimeter mixed fragments and 75-162-250 millimeter mixed noncalcareous fragments, by hcl, 1n; strongly alkaline, pH 8.6, cresol red.