IDENTIFIERS

  • Current Taxon Name (Soil Name): Opnish
  • OSD
  • Series Extent
  • User Site ID: S1992WA037002
  • User Pedon ID: S1992WA037002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0382
  • NCSS Pedon Lab Data NASIS Record ID - 64621
  • Print Date: 11/22/2024

    • 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: 47.0224991
  • Std. Longitude: -120.3886108
  • Datum: WGS84
  • Township: 18N
  • Range: 20E
  • Section: 30
  • PLSS Details: 2250 feet N and 160 feet E SW corner
  • 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: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Opnish
  • Classificaton Date - 7/23/2007
  • Sampled As Information:
  • Soil Name - Opnish
  • Taxonomic Class - Fine-loamy, mixed, mesic Calcic Pachic Argixeroll
  • Taxon Kind - series
  • Classificaton Date - 12/2/1991
  • 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: 12/2/1991 (actual site observation date)
  • Air Photo ID: 31B39
  • 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—64

    20—89

    —-

    —-
    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

    —

    —

    567

    —

    135

    250

    —

    —

    9

    21

    4

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; loam; moderate medium granular, and moderate coarse granular structure; loose, very friable, nonsticky, slightly plastic; 21.0 very fine roots throughout; 21.0 very fine interstitial pores; fragments, by hcl, 1n; strongly alkaline, pH 8.6, cresol red; clear smooth boundary.
    Ap2—8 to 20 centimeters (3.1 to 7.9 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; clay loam; moderate fine prismatic, and moderate fine subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 5.0 very fine roots throughout and 5.0 fine roots throughout; 5.0 very fine interstitial pores; fragments, by hcl, 1n; strongly alkaline, pH 8.6, cresol red; gradual wavy boundary. Lab sample # 92P02355
    Btk1—20 to 46 centimeters (7.9 to 18.1 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2) and white (10YR 8/1), moist; sandy clay loam; moderate medium subangular blocky, and moderate fine prismatic structure; slightly hard, friable, nonsticky, slightly plastic; 5.0 very fine roots throughout; 5.0 very fine interstitial and tubular pores; dark yellowish brown (10YR 4/4) clay films on faces of peds; 5 percent by volume 2-39-75 millimeter mixed fragments, by hcl, 1n; moderately alkaline, pH 8.4, cresol red; gradual wavy boundary. patchy - phpvsfiid 173646; patchy - phpvsfiid 173646
    Btk2—46 to 64 centimeters (18.1 to 25.2 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; sandy clay loam; moderate medium subangular blocky, and moderate fine prismatic structure; slightly hard, friable, nonsticky, slightly plastic; 1.0 very fine roots throughout; 5.0 very fine interstitial and tubular pores; dark yellowish brown (10YR 4/4) clay films on faces of peds and white (10YR 8/1) carbonate coats on faces of peds; 5 percent medium spherical lime masses; 5 percent by volume 2-39-75 millimeter mixed fragments, by hcl, 1n; moderately alkaline, pH 8.4, cresol red; gradual wavy boundary. patchy - phpvsfiid 173647; patchy - phpvsfiid 173648; patchy - phpvsfiid 173647; patchy - phpvsfiid 173648
    Btk3—64 to 89 centimeters (25.2 to 35.0 inches); light brownish gray (10YR 6/2), dark brown (10YR 3/3), moist; sandy clay loam; moderate medium subangular blocky, and moderate fine prismatic structure; slightly hard, friable, nonsticky, slightly plastic; 1.0 very fine roots throughout; 5.0 very fine interstitial and tubular pores; dark yellowish brown (10YR 4/4) clay films on faces of peds; 5 percent by volume 2-39-75 millimeter mixed fragments, by hcl, 1n; moderately alkaline, pH 8.4, cresol red; clear wavy boundary. Lab sample # 92P02356. patchy - phpvsfiid 173649; patchy - phpvsfiid 173649
    2C1—89 to 109 centimeters (35.0 to 42.9 inches); light brownish gray (10YR 6/2), dark brown (10YR 3/3), moist; extremely gravelly sandy loam; moderate medium subangular blocky, and moderate fine subangular blocky structure; loose, very friable, nonsticky, nonplastic; 1.0 very fine roots throughout; 1.0 very fine interstitial pores; 2-39-75 millimeter mixed igneous-sedimentary fragments and 75-162-250 millimeter mixed noncalcareous fragments; slightly alkaline, pH 7.6, cresol red.
    2C2—109 to 152 centimeters (42.9 to 59.8 inches); pale brown (10YR 6/3), dark brown (10YR 3/3), moist; extremely gravelly loamy sand; single grain; loose, friable, nonsticky, nonplastic; 5 percent by volume 75-162-250 millimeter mixed noncalcareous fragments; slightly alkaline, pH 7.6, cresol red.