IDENTIFIERS

  • Current Taxon Name (Soil Name): Ryespur
  • OSD
  • Series Extent
  • User Site ID: S1966OR035005
  • User Pedon ID: S1966OR035005
  • Vegetation Plot ID: S1966OR035005
  • User Site Association ID: OR683 point data
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A0840
  • NCSS Pedon Lab Data NASIS Record ID - 33899
  • Print Date: 9/24/2024

    • 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: 42.3469429
  • Std. Longitude: -121.9702759
  • Datum: WGS84
  • Township: 37S
  • Range: 7E
  • Section: 14
  • PLSS Details: SW 1/4, SW 1/4, 990 feet north and 330 feet east of the southwest corner
  • Location Description: at school forestry tour site on Doak Mountain.
  • Map Unit: 82E—Woodcock association, south, mlra 21
  • State: Oregon
  • County: OR035—Klamath
  • MLRA: 21—Klamath and Shasta Valleys and Basins
  • Non-MLRA Soil Survey Area: OR640—Klamath County, Oregon, Southern Part
  • 7.5 Minute USGS Quad: 42121-C8—Howard Bay, Oregon

    • PEDON

  • Describers Name: J. S. Cahoon
  • Current Taxonomic Class: Loamy-skeletal, isotic, frigid Vitrandic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Ryespur (flagged as OSD)
  • PSC - 44 to 94 cm.
  • Classificaton Date - 10/17/2021
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - WOODCOCK
  • Classificaton Date - 5/16/1966
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium from andesite and tephra over colluvium and residuum weathered from andesite
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/16/1966 (actual site observation date)
  • Air Photo ID: 1AA-130
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • 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

    PURSH

    Purshia

    bitterbrush

    —

    —

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    volcanic glass

    argillic horizon

    lithologic discontinuity

    1—44

    1—168

    44—123

    44—

    —43—

    —167—

    —79—

    —-
    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

    10

    —

    —

    1426

    —

    180

    508

    —

    —

    7.8

    13.9

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 1 centimeters (0.0 to 0.4 inches); slightly decomposed plant material; fragments. Lab sample # 40A06353; moist when described;. L and F layers; not sampled
    A1—1 to 6 centimeters (0.4 to 2.4 inches); brown (7.5YR 4/2), very dark brown (7.5YR 2/2), moist; stony ashy loam; weak very fine granular, and weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; 21.0 roots; 21.0 very fine interstitial pores; fragments; slightly acid, pH 6.4, bromthymol blue; clear smooth boundary. Lab sample # 40A06354; moist when described;. abundant fine shot
    A2—6 to 26 centimeters (2.4 to 10.2 inches); brown (7.5YR 5/3), dark reddish brown (5YR 3/3), moist; very gravelly ashy loam; weak fine subangular blocky parts to weak fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 roots; 3.0 very fine tubular pores; fragments; neutral, pH 6.6, bromthymol blue; gradual smooth boundary. Lab sample # 40A06355; moist when described;. about 25 percent coarse fragments by volume larger than 3/4 inch
    BA—26 to 44 centimeters (10.2 to 17.3 inches); brown (7.5YR 5/3), dark reddish brown (5YR 3/3), moist; very gravelly ashy loam; weak medium subangular blocky structure; hard, friable, moderately sticky, slightly plastic; 21.0 roots; 0.5 very fine tubular pores; fragments; slightly acid, pH 6.5, bromthymol blue; gradual smooth boundary. Lab sample # 40A06356; moist when described;. thin cutans on gravel; about 35 percent coarse fragments by volume larger than 3/4 inch; mostly stones; abundant fine shot
    2Bt1—44 to 67 centimeters (17.3 to 26.4 inches); reddish brown (5YR 5/4), dark reddish brown (5YR 3/4), moist; very gravelly clay loam; weak fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; common roots; 0.5 very fine tubular and 0.5 fine tubular pores; 24 percent faint clay films on rock fragments; fragments; neutral, pH 6.6, bromthymol blue; clear smooth boundary. Lab sample # 40A06357; moist when described;. about 55 percent coarse fragments by volume larger than 3/4 inch; mostly stones
    2Bt2—67 to 123 centimeters (26.4 to 48.4 inches); brown (7.5YR 5/3), dark reddish brown (5YR 3/4) crushed and dark reddish brown (5YR 3/3), moist; very gravelly clay loam; weak medium subangular blocky, and weak fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; common roots; 21.0 fine tubular pores; 20 percent faint clay films on all faces of peds and 20 percent faint clay films on surfaces along pores and 30 percent distinct clay films on rock fragments; fragments; slightly acid, pH 6.3, bromthymol blue; gradual smooth boundary. Lab sample # 40A06358; moist when described;. about 60 percent by volume of coarse fragments larger than 3/4 inch; many fine shot
    2C—123 to 168 centimeters (48.4 to 66.1 inches); brown (7.5YR 5/4), dark reddish brown (5YR 3/4), moist; very cobbly loam; structureless massive; hard, friable, slightly sticky, slightly plastic; common roots; common very fine tubular pores; fragments; slightly acid, pH 6.4. Lab sample # 40A06359; moist when described;. weathered andesite cobbles and stones