IDENTIFIERS

  • Current Taxon Name (Soil Name): OBSTRUCTION
  • OSD
  • Series Extent
  • User Site ID: 614-H
  • User Pedon ID: 95CA612010
  • Vegetation Plot ID: 614-H
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 96P0140
  • NCSS Pedon Lab Data NASIS Record ID - 68218
  • Print Date: 11/23/2024

    • 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: 39.9618711
  • Std. Longitude: -121.5446706
  • Datum: WGS84
  • Map Unit: 803—Obskel-Obstruction , 30 to 50 percent slopes
  • State: California
  • County: CA007—Butte
  • MLRA: 22—Sierra Nevada Range
  • Non-MLRA Soil Survey Area: CA612—Butte Area, California, Parts of Butte and Plumas Counties
  • 7.5 Minute USGS Quad: 39121-H5—Stirling City, California

    • PEDON

  • Describers Name: AEC
  • Current Taxonomic Class: Fine-loamy, isotic, mesic Andic Haploxerults
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - OBSTRUCTION
  • PSC - 46 to 84 cm.
  • Classificaton Date - 7/24/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Obstruction
  • Classificaton Date - 11/29/1995
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: ridge
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Bedrock: s strong weathered metamorphic, unspecified
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/29/1995 (actual site observation date)
  • Air Photo ID: 155-48
  • 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

    ABCO

    CADE27

    LIDE

    LIDE3

    PILA

    PIPO

    PSME

    Abies concolor

    Calocedrus decurrens

    Libocedrus decurrens

    Lithocarpus densiflorus

    Pinus lambertiana

    Pinus ponderosa

    Pseudotsuga menziesii

    white fir

    incense cedar

    —

    tanoak

    sugar pine

    ponderosa pine

    Douglas-fir

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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

    ochric epipedon

    argillic horizon

    cambic horizon

    paralithic contact

    10—18

    46—84

    84—216

    216—0

    —-

    —-

    —-

    —-
    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

    45

    —

    —

    1291

    —

    300

    1905

    —

    —

    10.6

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 10 centimeters (0.0 to 3.9 inches); fragments.
    A—10 to 18 centimeters (3.9 to 7.1 inches); light brown (7.5YR 6/4), brown (7.5YR 4/4), moist; gravelly sandy loam; 17 percent clay; strong fine granular structure; slightly sticky, nonplastic; 10.0 very fine roots and 3.0 fine roots; 20.0 very fine and fine interstitial and 10.0 medium interstitial and 3.0 coarse interstitial pores; 25 percent by volume subrounded 2-39-75 millimeter unspecified fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 96P1211
    Bt1—18 to 25 centimeters (7.1 to 9.8 inches); light brown (7.5YR 6/4), brown (7.5YR 4/4), moist; gravelly sandy clay loam; 20 percent clay; moderate medium subangular blocky parts to strong fine granular structure; slightly sticky, slightly plastic; 8.0 very fine roots and 1.0 medium roots and 4.0 fine roots; 8.0 very fine and fine tubular and 5.0 medium interstitial and tubular and 2.0 coarse interstitial and tubular pores; 70 percent distinct clay films on faces of peds and in pores; 25 percent by volume subrounded 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 96P1212. discontinuous - phpvsfiid 108250; discontinuous - phpvsfiid 108250
    Bt2—25 to 46 centimeters (9.8 to 18.1 inches); pink (7.5YR 7/4), reddish brown (5YR 4/4), moist; gravelly sandy loam; 19 percent clay; moderate fine and medium subangular blocky structure; slightly sticky, slightly plastic; 10.0 very fine roots and 2.0 medium roots and 3.0 fine roots and 1.0 coarse roots; 7.0 very fine and fine interstitial and tubular and 10.0 medium tubular and 3.0 coarse tubular pores; 40 percent distinct clay films on faces of peds and in pores; 3 percent by volume subangular 75-162-250 millimeter unspecified fragments and 20 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 96P1213. discontinuous - phpvsfiid 108234; discontinuous - phpvsfiid 108234
    Bt3—46 to 64 centimeters (18.1 to 25.2 inches); reddish yellow (5YR 7/6), yellowish red (5YR 5/6), moist; gravelly sandy clay loam; 23 percent clay; moderate fine and medium subangular blocky structure; slightly sticky, slightly plastic; 4.0 very fine and fine roots and 3.0 medium roots; 10.0 very fine and fine tubular and 10.0 medium tubular and 2.0 coarse tubular pores; 60 percent distinct clay films on faces of peds and in pores; 5 percent by volume rounded 75-162-250 millimeter unspecified fragments and 10 percent by volume subrounded 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 96P1214. discontinuous - phpvsfiid 108382; discontinuous - phpvsfiid 108382
    Bt4—64 to 84 centimeters (25.2 to 33.1 inches); pink (5YR 7/4), yellowish red (5YR 5/6), moist; sandy clay loam; 21 percent clay; moderate fine and medium subangular blocky structure; slightly sticky, slightly plastic; 10.0 very fine and fine roots and 3.0 medium roots; 10.0 very fine tubular and 3.0 medium tubular and 10.0 fine tubular pores; 60 percent distinct clay films on faces of peds and in pores; 10 percent by volume subrounded 2-39-75 millimeter unspecified fragments; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 96P1215. discontinuous - phpvsfiid 108284; discontinuous - phpvsfiid 108284
    Bt5—84 to 112 centimeters (33.1 to 44.1 inches); reddish yellow (7.5YR 7/6), strong brown (7.5YR 5/6), moist; sandy loam; 18 percent clay; moderate fine and medium subangular blocky structure; slightly sticky, nonplastic; 10.0 very fine roots and 2.0 medium roots and 3.0 fine roots; 7.0 very fine tubular and 3.0 medium tubular and 10.0 fine tubular pores; 50 percent distinct clay films on faces of peds and in pores; 10 percent by volume subangular 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.5, hellige-truog; abrupt wavy boundary. Lab sample # 96P1216. discontinuous - phpvsfiid 108285; discontinuous - phpvsfiid 108285
    Bt6—112 to 163 centimeters (44.1 to 64.2 inches); reddish yellow (7.5YR 8/6), reddish yellow (7.5YR 6/8), moist; gravelly sandy loam; 11 percent clay; weak fine and medium subangular blocky structure; nonsticky, nonplastic; 5.0 very fine roots and 3.0 fine and medium roots; 10.0 very fine and fine tubular and 3.0 medium tubular pores; 20 percent distinct clay films on faces of peds and in pores and 30 percent faint clay films on faces of peds and in pores; 18 percent by volume subangular 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.5, hellige-truog; clear irregular boundary. Lab sample # 96P1217. discontinuous - phpvsfiid 108282; discontinuous - phpvsfiid 108283; discontinuous - phpvsfiid 108282; discontinuous - phpvsfiid 108283
    Bt7—163 to 213 centimeters (64.2 to 83.9 inches); yellow (10YR 8/6), brownish yellow (10YR 6/8), moist; gravelly sandy loam; 5 percent clay; weak fine subangular blocky structure; nonsticky, nonplastic; 2.0 very fine to medium roots; 10.0 very fine tubular and 1.0 medium tubular and 2.0 fine tubular pores; 15 percent distinct clay films on faces of peds and in pores and 30 percent faint clay films on faces of peds and in pores; 20 percent by volume subangular 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear irregular boundary. Lab sample # 96P1218. discontinuous - phpvsfiid 108280; discontinuous - phpvsfiid 108281; discontinuous - phpvsfiid 108280; discontinuous - phpvsfiid 108281
    Cr—213 to 226 centimeters (83.9 to 89.0 inches); massive; 0.1 very fine roots; 0.1 very fine tubular pores; fragments.