IDENTIFIERS

  • Current Taxon Name (Soil Name): Mocosprings
  • OSD
  • Series Extent
  • User Site ID: 00-JRD-06
  • User Pedon ID: S2000OR025002
  • Vegetation Plot ID: 00-JRD-06
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 00P1206
  • NCSS Pedon Lab Data NASIS Record ID - 12702
  • Print Date: 5/14/2025

    • 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: 43.8342896
  • Std. Longitude: -119.5091248
  • Datum: WGS84
  • Township: 20S
  • Range: 27E
  • Section: 17
  • State: Oregon
  • County: OR025—Harney
  • MLRA: 43—Northern Rocky Mountains
  • Non-MLRA Soil Survey Area: OR618—Crook County Area, Oregon

    • PEDON

  • Describers Name: James R. David, Thor D. Thorson
  • Current Taxonomic Class: Fine, smectitic, frigid Vertic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Mocosprings
  • Taxonomic Class - Fine, smectitic, frigid Vertic Argixerolls
  • PSC - 30 to 81 cm.
  • Classificaton Date - 7/20/2000
  • Moisture Class - xeric
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash over residuum weathered from basalt
  • Landscape: mountains
  • Landform: mountain slope
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/20/2000 (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

    ABGR

    CAGE2

    PIAM2

    Abies grandis

    Carex geyeri

    Piper amalago

    grand fir

    Geyer's sedge

    higuillo de limon

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

    mollic epipedon

    argillic horizon

    2—95

    30—176

    —93—

    —146—
    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

    5

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    1648

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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 # 00P06970; dry when described; observed in pit, small
    A1—2 to 9 centimeters (0.8 to 3.5 inches); brown (10YR 4/3), very dark grayish brown (10YR 3/2), moist; ashy sandy loam; 20 percent clay; weak very fine granular structure; soft, very friable, nonsticky, nonplastic; 10.0 very fine roots throughout and 10.0 fine roots throughout; 10.0 very fine irregular and 10.0 fine irregular pores; 2 percent by volume nonflat subangular indurated 2-?-75 millimeter basalt fragments and 5 percent by volume nonflat subangular indurated 75-?-250 millimeter basalt fragments and 5 percent by volume nonflat subangular indurated 250-?-600 millimeter basalt fragments; moderately acid, pH 5.6, chlorophenol red; clear wavy boundary. Lab sample # 00P06971; dry when described; observed in pit, small
    A2—9 to 30 centimeters (3.5 to 11.8 inches); brown (7.5YR 4/3), dark brown (7.5YR 3/3), moist; stony ashy sandy loam; 20 percent clay; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 0.5 medium roots throughout and 4.0 fine roots throughout; 10.0 very fine irregular and 10.0 fine irregular pores; 5 percent by volume nonflat subangular indurated 75-?-250 millimeter basalt fragments and 10 percent by volume nonflat subangular indurated 250-?-600 millimeter basalt fragments and 15 percent by volume nonflat subangular indurated 2-?-75 millimeter basalt fragments; moderately acid, pH 5.6, chlorophenol red; clear wavy boundary. Lab sample # 00P06972; dry when described; observed in pit, small
    2Btb1—30 to 49 centimeters (11.8 to 19.3 inches); brown (7.5YR 4/3), dark brown (7.5YR 3/3), moist; very stony clay loam; 30 percent clay; moderate fine subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 4.0 medium roots throughout and 4.0 fine roots throughout; 0.5 fine tubular and 4.0 fine irregular pores; 15 percent faint clay films on all faces of peds; 10 percent by volume nonflat subangular indurated 75-?-250 millimeter basalt fragments and 10 percent by volume nonflat subangular indurated 250-?-600 millimeter basalt fragments and 15 percent by volume nonflat subangular indurated 2-?-75 millimeter basalt fragments; moderately acid, pH 5.6, chlorophenol red; clear wavy boundary. Lab sample # 00P06973; dry when described; observed in pit, small. continuous - phpvsfiid 19780; continuous - phpvsfiid 19780
    2Btb2—49 to 95 centimeters (19.3 to 37.4 inches); brown (7.5YR 4/3), dark brown (7.5YR 3/3), moist; silty clay; 45 percent clay; moderate medium subangular blocky structure; very hard, very firm, very sticky, very plastic; 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 0.5 fine tubular pores; 45 percent distinct clay films on all faces of peds; fragments; moderately acid, pH 5.8, chlorophenol red; clear wavy boundary. Lab sample # 00P06974; moist when described; observed in pit, small. continuous - phpvsfiid 19781; continuous - phpvsfiid 19781
    2Btb3—95 to 141 centimeters (37.4 to 55.5 inches); brown (7.5YR 4/3), dark brown (7.5YR 3/3), moist; clay; 60 percent clay; moderate medium prismatic parts to strong coarse angular blocky, and moderate medium prismatic parts to strong medium angular blocky structure; extremely hard, extremely firm, very sticky, very plastic; 0.5 medium roots between peds; 40 percent prominent black (10YR 2/1) organic stains on all faces of peds and 60 percent distinct clay films on all faces of peds; fragments; moderately acid, pH 5.8, chlorophenol red; gradual wavy boundary. Lab sample # 00P06975; moist when described; observed in pit, small. continuous - phpvsfiid 19782; continuous - phpvsfiid 19783; continuous - phpvsfiid 19782; continuous - phpvsfiid 19783
    2Btb4—141 to 176 centimeters (55.5 to 69.3 inches); brown (7.5YR 4/3), dark brown (7.5YR 3/3), moist; clay; 60 percent clay; moderate medium prismatic parts to strong coarse angular blocky, and moderate medium prismatic parts to strong medium angular blocky structure; extremely hard, extremely firm, very sticky, very plastic; 0.5 medium roots between peds; 40 percent prominent black (10YR 2/1) organic stains on all faces of peds and 60 percent distinct clay films on all faces of peds; fragments; moderately acid, pH 5.8, chlorophenol red. Lab sample # 00P06976; moist when described; observed in pit, small. continuous - phpvsfiid 19784; continuous - phpvsfiid 19785; continuous - phpvsfiid 19784; continuous - phpvsfiid 19785