IDENTIFIERS

  • Current Taxon Name (Soil Name): Monumentrock
  • OSD
  • Series Extent
  • User Site ID: S2007-DJT-03 Bourne
  • User Pedon ID: S2007OR001001
  • Vegetation Plot ID: S2007-DJT-03 Bourne
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0356
  • NCSS Pedon Lab Data NASIS Record ID - 19759
  • Print Date: 5/9/2025

    • 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: 44.8305168
  • Std. Longitude: -118.1878662
  • Datum: WGS84
  • Country: US—United States
  • State: Oregon
  • County: OR001—Baker
  • MLRA: 43C—Blue and Seven Devils Mountains
  • Non-MLRA Soil Survey Area: OR631—Wallowa-Whitman National Forest, Oregon

    • PEDON

  • Describers Name: Dave Trochlell
  • Current Taxonomic Class: Loamy-skeletal, isotic Andic Haplocryepts
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Monumentrock
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/14/2008
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Monumentrock
  • Classificaton Date - 7/24/2007
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash over loess over colluvium derived from diorite
  • Landform: slightly concave mountain slope
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: indurated slight weathered diorite at 112cm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/24/2007 (actual site observation date)
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • 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

    ABGR

    PICO

    LAOC

    VASC

    CAGE2

    SYAL

    CHUM

    Abies grandis

    Pinus contorta

    Larix occidentalis

    Vaccinium scoparium

    Carex geyeri

    Symphoricarpos albus

    Chimaphila umbellata

    grand fir

    lodgepole pine

    western larch

    grouse whortleberry

    Geyer's sedge

    common snowberry

    pipsissewa

    —

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

    bedrock, lithic

    indurated

    112 -

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

    andic soil properties

    lithologic discontinuity

    cambic horizon

    lithic contact

    5—41

    41—112

    41—71

    112—122

    —36—

    —71—

    —30—

    —10—
    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

    25

    —

    —

    1783

    —

    190

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    361

    Bourne

    SNOTEL
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout and 10.0 coarse roots throughout; 10.0 very fine interstitial and 10.0 medium interstitial and 10.0 fine interstitial and 10.0 coarse interstitial pores; fragments; noneffervescent, by hcl, 1n; abrupt wavy boundary.; dry when described; observed in pit, small
    Oe—3 to 5 centimeters (1.2 to 2.0 inches); slightly decomposed plant material; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout and 10.0 coarse roots throughout; 10.0 very fine interstitial and 10.0 medium interstitial and 10.0 fine interstitial and 10.0 coarse interstitial pores; fragments; noneffervescent, by hcl, 1n; abrupt wavy boundary.; dry when described; observed in pit, small
    A1—5 to 20 centimeters (2.0 to 7.9 inches); dark yellowish brown (10YR 3/4), yellowish brown (10YR 5/4), dry; gravelly ashy fine sandy loam; 10 percent clay; weak fine granular structure; nonsticky, nonplastic; moderate permeability; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout and 10.0 coarse roots throughout; 10.0 very fine interstitial and 10.0 medium interstitial and 10.0 fine interstitial and 10.0 coarse interstitial pores; 20 percent by volume nonflat subrounded indurated 2-20-40 millimeter diorite fragments; noneffervescent, by hcl, 1n; neutral, pH 7.1, pH meter; gradual smooth boundary. Lab sample # 08N02261; dry when described; observed in pit, small
    A2—20 to 41 centimeters (7.9 to 16.1 inches); dark yellowish brown (10YR 4/4), light yellowish brown (10YR 6/4), dry; very stony ashy fine sandy loam; 10 percent clay; weak fine subangular blocky structure; nonsticky, nonplastic; moderate permeability; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout and 10.0 coarse roots throughout; 10.0 very fine interstitial and 10.0 medium interstitial and 10.0 fine interstitial and 10.0 coarse interstitial pores; 10 percent by volume nonflat subrounded indurated 2-30-75 millimeter diorite fragments and 15 percent by volume nonflat subangular indurated 75-150-250 millimeter diorite fragments and 25 percent by volume nonflat subrounded indurated 250-300-400 millimeter diorite fragments; noneffervescent, by hcl, 1n; neutral, pH 6.9, pH meter; abrupt broken boundary. Lab sample # 08N02262; dry when described; observed in pit, small
    2Bw—41 to 71 centimeters (16.1 to 28.0 inches); light olive brown (2.5Y 5/4), light yellowish brown (2.5Y 6/3) and light yellowish brown (2.5Y 6/4), dry; extremely stony loam; 12 percent clay; weak fine subangular blocky structure; nonsticky, slightly plastic; moderate permeability; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout and 10.0 coarse roots throughout; 10.0 very fine tubular and 10.0 fine tubular pores; 20 percent by volume nonflat subrounded indurated 2-30-75 millimeter diorite fragments and 20 percent by volume nonflat subrounded indurated 75-150-250 millimeter diorite fragments and 35 percent by volume nonflat subrounded indurated 250-300-400 millimeter diorite fragments; noneffervescent, by hcl, 1n; neutral, pH 7.0, pH meter; gradual smooth boundary. Lab sample # 08N02263; dry when described; observed in pit, small
    2C—71 to 112 centimeters (28.0 to 44.1 inches); olive brown (2.5Y 4/3), light yellowish brown (2.5Y 6/3), dry; very gravelly loam; 12 percent clay; massive; nonsticky, slightly plastic; moderate permeability; 0.5 very fine roots throughout and 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular pores; 50 percent by volume nonflat subrounded indurated 2-30-75 millimeter diorite fragments; noneffervescent, by hcl, 1n; neutral, pH 7.2, pH meter; abrupt wavy boundary. Lab sample # 08N02264; dry when described; observed in pit, small
    2R—112 centimeters (44.1 inches); bedrock; fragments.; observed in pit, small