IDENTIFIERS

  • Current Taxon Name (Soil Name): Rockcreek
  • OSD
  • Series Extent
  • User Site ID: S1994OR061001
  • User Pedon ID: S1994OR061001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 94P0791
  • NCSS Pedon Lab Data NASIS Record ID - 66964
  • Print Date: 11/11/2024

    • 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: 44.9636116
  • Std. Longitude: -118.2819443
  • Datum: WGS84
  • State: Oregon
  • County: OR061—Union
  • MLRA: 43—Northern Rocky Mountains
  • Non-MLRA Soil Survey Area: OR625—Union County Area, Oregon

    • PEDON

  • Describers Name: Bob Ottersberg, Art Kriger, Duane Lammers
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Rockcreek
  • Taxonomic Class - Loamy-skeletal, mixed Aridic Cryumbrept
  • PSC - 25 to 60 cm.
  • Classificaton Date - 8/13/1994
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: mountains
  • Landform: mountainside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Bedrock: h moderate weathered granite
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/13/1994 (actual site observation date)
  • Plant Association Name: PICO (ABLA2) POPU
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    cambic horizon

    14—60

    —-
    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

    22

    —

    —

    2133

    —

    70

    950

    —

    —

    1.1

    —

    —

    2.2

    5.6

    0

    —

    —

    —

    —

    —
    Oi—0 to 1 centimeters (0.0 to 0.4 inches); dark brown (7.5YR 3/2), dark grayish brown (10YR 4/2), dry; gravelly fine sandy loam; weak very fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; fragments. Lab sample # 94P06208. 1 cm discontinuous, 8 yr old grass and some needles
    A—1 to 6 centimeters (0.4 to 2.4 inches); dark brown (7.5YR 3/2), dark grayish brown (10YR 4/2), dry; gravelly fine sandy loam; weak very fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 21.0 very fine roots throughout and 3.0 fine roots throughout; 0.5 very fine moderate-continuity interstitial pores; 25 percent by volume subangular 2-39-75 millimeter granite fragments; clear wavy boundary. Lab sample # 94P06209. 2% Charcoal
    AB—6 to 15 centimeters (2.4 to 5.9 inches); dark brown (7.5YR 3/2), grayish brown (10YR 5/2), dry; gravelly fine sandy loam; weak very fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine and fine roots throughout and 0.5 medium roots throughout; 0.5 very fine moderate-continuity interstitial pores; 5 percent by volume subangular 75-162-250 millimeter granite fragments and 20 percent by volume subangular 2-39-75 millimeter granite fragments; gradual smooth boundary. Lab sample # 94P06210
    Bw1—15 to 35 centimeters (5.9 to 13.8 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; very gravelly sandy loam; weak very fine subangular blocky parts to weak very fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine and fine roots throughout and 0.5 medium and coarse roots throughout; 0.5 very fine moderate-continuity interstitial and 0.5 fine moderate-continuity pores; 5 percent by volume subangular 250-425-600 millimeter granite fragments and 10 percent by volume subangular 75-162-250 millimeter granite fragments and 20 percent by volume subangular 2-39-75 millimeter granite fragments; gradual smooth boundary. Lab sample # 94P06211. Trace of charcoal
    Bw2—35 to 61 centimeters (13.8 to 24.0 inches); dark yellowish brown (10YR 3/4), pale brown (10YR 6/3), dry; extremely gravelly sandy loam; weak subangular blocky parts to weak very fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine and fine roots throughout; 0.5 very fine moderate-continuity interstitial pores; 10 percent by volume subangular 250-425-600 millimeter granite fragments and 20 percent by volume subangular 75-162-250 millimeter granite fragments and 35 percent by volume subangular 2-39-75 millimeter granite fragments; clear wavy boundary. Lab sample # 94P06212. 1% charcoal
    Cr—61 to 75 centimeters (24.0 to 29.5 inches); 3.0 very fine and fine roots top of horizon and 0.5 very fine and fine roots in cracks; 0.5 very fine moderate-continuity void between rock fragments pores; fragments; clear irregular boundary. Lab sample # 94P06213
    R—75 to 81 centimeters (29.5 to 31.9 inches); fragments. Lab sample # 94P06214