IDENTIFIERS

  • Current Taxon Name (Soil Name): Hemcross
  • OSD
  • Series Extent
  • User Site ID: 93-JAS-01
  • User Pedon ID: 93OR057003
  • Vegetation Plot ID: 93-JAS-01
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Print Date: 12/9/2025
  • 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: 45.3534088
  • Std. Longitude: -123.6014938
  • Datum: WGS84
  • Township: 2S
  • Range: 7W
  • Section: 31
  • PLSS Details: About 2,200 feet south and 1,400 feet east of the northwest corner
  • Location Description: About 0.3 miles north of "Lake Tahoe"
  • State: Oregon
  • County: OR057—Tillamook
  • MLRA: 1—Northern Pacific Coast Range, Foothills, and Valleys
  • Non-MLRA Soil Survey Area: OR057—Tillamook County, Oregon
  • PEDON

  • Describers Name: John A. Shipman
  • Current Taxonomic Class: Medial, ferrihydritic, mesic Alic Hapludands
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Hemcross
  • Classificaton Date - 5/2/2008
  • Sampled As Information:
  • Soil Name - Hemcross
  • Classificaton Date - 7/22/1993
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: colluvium derived from basalt residuum weathered from basalt
  • Landform: mountain slope
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/22/1993 (actual site observation date)
  • 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

    ACCI

    POMU

    PSME

    RUSP

    VAPA

    Acer circinatum

    Polystichum munitum

    Pseudotsuga menziesii

    Rubus spectabilis

    Vaccinium parvifolium

    vine maple

    western swordfern

    Douglas-fir

    salmonberry

    red huckleberry

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

    andic soil properties

    umbric epipedon

    cambic horizon

    3—157

    3—51

    51—157

    —-

    —-

    —-

    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

    12

    415

    2540

    9

    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.; observed in pit, small
    A1—3 to 23 centimeters (1.2 to 9.1 inches); dark brown (7.5YR 3/2), brown (7.5YR 4/2), dry; medial loam; 18 percent clay; moderate very fine granular, and moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; weakly smeary; 1 percent medium spherical strong brown (7.5YR 4/6), moist, iron-manganese concretions and 1 percent fine spherical strong brown (7.5YR 4/6), moist, iron-manganese concretions; fragments; very strongly acid, pH 5.0; clear smooth boundary.; observed in pit, small
    A2—23 to 51 centimeters (9.1 to 20.1 inches); dark brown (7.5YR 3/3), dark yellowish brown (10YR 4/4), dry; medial loam; 18 percent clay; moderate very fine granular, and moderate fine granular structure; soft, very friable, slightly sticky, slightly plastic; moderately smeary; 1 percent medium spherical strong brown (7.5YR 4/6), moist, iron-manganese concretions and 1 percent fine spherical strong brown (7.5YR 4/6), moist, iron-manganese concretions; fragments; very strongly acid, pH 5.0; clear smooth boundary.; observed in pit, small
    Bw1—51 to 124 centimeters (20.1 to 48.8 inches); brown (7.5YR 4/4), yellowish brown (10YR 5/4), dry; medial loam; 22 percent clay; weak medium subangular blocky parts to moderate very fine subangular blocky, and weak medium subangular blocky parts to moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; weakly smeary; fragments; very strongly acid, pH 5.0; clear wavy boundary.; observed in pit, small
    Bw2—124 to 157 centimeters (48.8 to 61.8 inches); brown (7.5YR 4/4), yellowish brown (10YR 5/4), dry; medial loam; 25 percent clay; moderate very fine subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; weakly smeary; fragments; very strongly acid, pH 5.0.; observed in pit, small