IDENTIFIERS

  • Current Taxon Name (Soil Name): Ochoco
  • OSD
  • Series Extent
  • User Site ID: S1955OR013015
  • User Pedon ID: S1955OR013015
  • Vegetation Plot ID: 2015OR013001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A0905
  • NCSS Pedon Lab Data NASIS Record ID - 33964
  • User Project ID: SSR012015001
  • Project Name: Soil Microbe Map Study
  • 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: 44.3530540
  • Std. Longitude: -120.8741684
  • Datum: WGS84
  • Township: 14S
  • Range: 15E
  • Section: 13
  • PLSS Details: SW 1/4, NW 1/4, SE 1/4
  • Location Description: Prineville area
  • State: Oregon
  • County: OR013—Crook
  • MLRA: 10—Central Rocky and Blue Mountain Foothills
  • Regional Office: 1—Portland, OR
  • MLRA Soil Survey Area: NW-RED—Redmond, Oregon
  • Non-MLRA Soil Survey Area: OR618—Crook County Area, Oregon
  • 7.5 Minute USGS Quad: 44120-C7—Prineville, Oregon

    • PEDON

  • Describers Name: George Smith
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Xerollic Durargids
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 15
  • Correlated Information:
  • Soil Name - Ochoco
  • PSC - 41 to 91 cm.
  • Classificaton Date - 2/1/2010
  • Soil Taxonomic Edition - first edition
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - OCHOCO
  • Classificaton Date - 7/1/1955
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from fine igneous crystal
  • Geomorphic Component Terraces: tread
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1955 (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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARTR2

    BRTE

    CHRYS9

    Artemisia tridentata

    Bromus tectorum

    Chrysothamnus

    big sagebrush

    cheatgrass

    rabbitbrush

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    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

    2

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    1268

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    254

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    AP—0 to 20 centimeters (0.0 to 7.9 inches); light brownish gray (10YR 6/2) and grayish brown (10YR 5/2), dark grayish brown (10YR 4/2) and very dark grayish brown (10YR 3/2), moist; sandy loam; weak thin platy, and weak fine granular structure; fragments; neutral, pH 7.0, unspecified; clear boundary. Lab sample # 40A06811. vesicular in the upper .5-1 inches and fine platy in the next lower 2 or 3 inches when undisturbed; some pumice sand
    A3—20 to 41 centimeters (7.9 to 16.1 inches); light brownish gray (10YR 6/2) and pale brown (10YR 6/3), dark grayish brown (10YR 4/2), moist; sandy loam; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, nonplastic; fragments; clear boundary. Lab sample # 40A06812
    B1—41 to 53 centimeters (16.1 to 20.9 inches); light brownish gray (10YR 6/2) and pale brown (10YR 6/3), dark grayish brown (10YR 4/2) and brown (10YR 4/3), moist; sandy clay loam; weak medium subangular blocky, and weak fine subangular blocky, and moderate medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; clay films on faces of peds; fragments; neutral, pH 7.0, unspecified; clear boundary. Lab sample # 40A06813. discontinuous - phpvsfiid 197942; discontinuous - phpvsfiid 197942
    B2—53 to 71 centimeters (20.9 to 28.0 inches); brown (10YR 5/3), brown (10YR 4/3), moist; sandy clay loam; weak medium prismatic, and moderate medium prismatic, and moderate medium angular blocky, and moderate fine angular blocky, and moderate medium subangular blocky, and moderate fine subangular blocky structure; hard when dry, firm, moderately sticky, moderately plastic; clay films on faces of peds and in pores; tuff, unspecified fragments and 1 percent by volume rounded basaltic-ash fragments; neutral, pH 7.2, unspecified; clear boundary. Lab sample # 40A06814. continuous - phpvsfiid 197943; continuous - phpvsfiid 197943
    B3—71 to 91 centimeters (28.0 to 35.8 inches); brown (10YR 5/3) and yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; gravelly clay loam; weak medium prismatic, and moderate medium angular blocky, and moderate fine angular blocky, and moderate medium subangular blocky, and moderate fine subangular blocky structure; hard when dry, firm, slightly sticky, slightly plastic; 12 percent by volume 2-39-75 millimeter basaltic-ash fragments; neutral, pH 7.3, unspecified; clear boundary. Lab sample # 40A06815. seams of lime often occur
    C1CAM—91 to 117 centimeters (35.8 to 46.1 inches); light brownish gray (10YR 6/2) and pale brown (10YR 6/3), brown (10YR 5/3) and dark brown (10YR 3/3), moist; loamy sand; moderate coarse platy, and massive; hard when dry, firm; 21 percent by volume 2-39-75 millimeter basaltic-ash fragments; moderately alkaline, pH 7.9, unspecified; clear boundary. Lab sample # 40A06816. 20 percent black or dark grayish brown (10YR 2/3-2/1) basaltic sands which give a salt and pepper appearance; pan occurs in hard and soft lens; roots penetrate pan with difficulty; lime occurs as segregated lens or seams
    2C2CA—117 to 152 centimeters (46.1 to 59.8 inches); gray (10YR 6/1) and very dark grayish brown (10YR 3/2), very dark grayish brown (10YR 3/2) and grayish brown (10YR 5/2), moist; sandy loam; massive; hard when dry, firm; fragments; strong effervescence. Lab sample # 40A06817. sandy loam, loamy sand, or partially consolidated tuffaceous or pumiceous sandstones or agglomerate