IDENTIFIERS

  • Current Taxon Name (Soil Name): Maucav
  • OSD
  • Series Extent
  • User Site ID: 00-GDM-01
  • User Pedon ID: S2000OR013004
  • Vegetation Plot ID: 00-GDM-01
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 00P1201
  • NCSS Pedon Lab Data NASIS Record ID - 12697
  • 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: 44.0220604
  • Std. Longitude: -120.3891525
  • Datum: WGS84
  • Township: 18S
  • Range: 19E
  • Section: 12
  • State: Oregon
  • County: OR013—Crook
  • MLRA: 43—Northern Rocky Mountains
  • Non-MLRA Soil Survey Area: OR618—Crook County Area, Oregon

    • PEDON

  • Describers Name: Gerald D. Macdonald, James R. David, Thor D. Thorson
  • Current Taxonomic Class: Fine, smectitic, frigid Vertic Palexerolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 4
  • Sampled As Information:
  • Soil Name - Maucav
  • Taxonomic Class - Fine, smectitic, frigid Vertic Palexerolls
  • PSC - 16 to 65 cm.
  • Classificaton Date - 7/15/2000
  • Moisture Class - xeric
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from tuff
  • Landscape: mountains
  • Landform: mountain slope
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: very strongly coherent tuff, unspecified at 79cm with 10 to <45
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/15/2000 (actual site observation date)
  • 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

    ACHI

    BAPT

    JUOC

    PIAM2

    PONE2

    PSSP6

    SYAL

    UNKNOWN

    Acanthospermum hispidum

    Baccharis pteronioides

    Juniperus occidentalis

    Piper amalago

    Poa nervosa

    Pseudoroegneria spicata

    Symphoricarpos albus

    unknown scientific name

    hispid starbur

    yerba de pasmo

    western juniper

    higuillo de limon

    Wheeler bluegrass

    bluebunch wheatgrass

    common snowberry

    unknown national vernacular name

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    bedrock, lithic

    weakly coherent

    very strongly coherent

    65 - 79

    79 - 90

    - 14 -

    - 11 -

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

    mollic epipedon

    argillic horizon

    paralithic contact

    lithic contact

    2—31

    16—65

    65—79

    79—90

    —29—

    —49—

    —14—

    —11—
    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

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    1655

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    192

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    Oi—0 to 2 centimeters (0.0 to 0.8 inches); slightly decomposed plant material; fragments; abrupt smooth boundary. Lab sample # 00P06936; dry when described; observed in pit, small
    A—2 to 16 centimeters (0.8 to 6.3 inches); very dark grayish brown (10YR 3/2), black (10YR 2/1), moist; very gravelly clay loam; 33 percent clay; moderate fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 10.0 very fine roots throughout and 4.0 medium roots throughout and 10.0 fine roots throughout; 4.0 fine tubular pores; 40 percent by volume nonflat subangular indurated 2-?-75 millimeter basalt fragments; moderately acid, pH 5.6, chlorophenol red; abrupt wavy boundary. Lab sample # 00P06937; dry when described; observed in pit, small
    Bt—16 to 31 centimeters (6.3 to 12.2 inches); dark grayish brown (10YR 4/2), very dark brown (10YR 2/2), moist; clay; 55 percent clay; strong medium angular blocky structure; extremely hard, very firm, very sticky, very plastic; 4.0 medium roots between peds and 4.0 fine roots between peds; 0.5 very fine tubular pores; 80 percent distinct clay films on all faces of peds; 5 percent by volume nonflat subangular indurated 2-?-75 millimeter basalt fragments; slightly acid, pH 6.1, chlorophenol red; gradual wavy boundary. Lab sample # 00P06938; dry when described; observed in pit, small. continuous - phpvsfiid 19762; continuous - phpvsfiid 19762
    Btss—31 to 65 centimeters (12.2 to 25.6 inches); yellowish red (5YR 5/6), reddish brown (5YR 4/4), moist; clay; 65 percent clay; strong coarse angular blocky, and strong medium angular blocky structure; extremely hard, very firm, very sticky, very plastic; 0.5 fine roots between peds; 0.5 very fine tubular pores; 10 percent slickensides (pedogenic) and 80 percent distinct clay films on all faces of peds; fragments; slightly acid, pH 6.1, chlorophenol red; abrupt wavy boundary. Lab sample # 00P06939; moist when described; observed in pit, small. continuous - phpvsfiid 19763; continuous - phpvsfiid 19763
    Cr—65 to 79 centimeters (25.6 to 31.1 inches); brown (7.5YR 5/4), brown (7.5YR 4/3), moist; bedrock; structureless massive; fragments; abrupt wavy boundary. Lab sample # 00P06940; moist when described; observed in pit, small
    R—79 to 90 centimeters (31.1 to 35.4 inches);, weak red (2.5YR 4/2), moist; bedrock; fragments. Lab sample # 00P06941; moist when described; observed in pit, small