IDENTIFIERS

  • Current Taxon Name (Soil Name): Lackscreek
  • OSD
  • Series Extent
  • User Site ID: S1983CA023005
  • User Pedon ID: 83CA023005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0453
  • NCSS Pedon Lab Data NASIS Record ID - 56169
  • 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: 41.2245522
  • Std. Longitude: -123.9825363
  • Datum: WGS84
  • Township: 10N
  • Range: 2E
  • Section: 30
  • PLSS Details: Go .05 mile on W-line Rd from Bald Hills Rd then 1000 feet W along ridge from road.
  • State: California
  • County: CA023—Humboldt
  • MLRA: 4B—Coastal Redwood Belt
  • PEDON

  • Describers Name: Jim Popenoe
  • Current Taxonomic Class: Loamy-skeletal, mixed, active, isomesic Typic Haplohumults
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Lackscreek
  • Classificaton Date - 7/11/2007
  • Sampled As Information:
  • Soil Name - Lackscreek
  • Taxonomic Class - Loamy-skeletal, mixed, isomesic Typic Humitropept
  • Taxon Kind - series
  • Classificaton Date - 5/1/1983
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1983 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • 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

    56

    610

    180

    Oi—0 to 4 centimeters (0.0 to 1.6 inches); undecomposed organic matter; fragments; abrupt wavy boundary. Fresh douglas-fir needles, twigs, cones and tanoak leaves (0 to 10 m thick).
    Oe/Oa—4 to 5 centimeters (1.6 to 2.0 inches); partially decomposed organic matter; fragments; abrupt wavy boundary. Decomposing leaves, humus and fungal myerlia (0 to 30 cm thick).
    A1—5 to 29 centimeters (2.0 to 11.4 inches); dark brown (10YR 3/3) interior, brown (10YR 5/3) interior, dry; gravelly loam; 26 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 fine and medium roots and 0.5 coarse roots; 2.5 very fine and fine tubular and 2.5 very fine and fine interstitial pores; fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. 5% coarse gravel and 15% fine gravel. Animal burrows, 3 to 5 cm across.; common fine and medium roots; few coarse roots
    A2—29 to 45 centimeters (11.4 to 17.7 inches); dark yellowish brown (10YR 3/4) interior and brown (7.5YR 4/4) interior, yellowish brown (10YR 5/4) interior, dry; gravelly loam; 27 percent clay; weak medium subangular blocky structure; slightly hard, friable, moderately sticky, slightly plastic; 2.5 fine and medium roots and 2.5 coarse roots; 2.5 very fine and fine tubular and 2.5 very fine interstitial pores; fragments; strongly acid, pH 5.5, hellige-truog; abrupt wavy boundary. Lab sample # 85P02206. 8% coarse gravel and 15% fine gravel. Partical size analysis (OSU): 24-40cm.; common fine and medium roots; common coarse roots
    2BA—45 to 61 centimeters (17.7 to 24.0 inches); brown (7.5YR 4/4) interior, light brown (7.5YR 6/4) interior, dry; very gravelly clay loam; 29 percent clay; weak fine subangular blocky, and structureless massive; hard, firm, moderately sticky, slightly plastic; 0.5 very fine and fine roots and 2.5 medium and coarse roots; 0.5 very fine and fine tubular and 0.5 very fine interstitial pores; 20 percent by volume 75-162-250 millimeter mixed fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # 85P02207. 10% coarse gravel and 25% fine gravel.; few very fine and fine roots; common medium and coarse roots
    2Bt1—61 to 83 centimeters (24.0 to 32.7 inches); yellowish brown (10YR 5/6) interior, 10YR 7/ (10YR 7/), interior, dry; very cobbly clay loam; 32 percent clay; weak fine subangular blocky, and structureless massive; slightly hard, firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots and 2.5 medium and coarse roots; 0.5 very fine tubular pores; 15 percent faint clay films on faces of peds; 50 percent by volume 75-162-250 millimeter mixed fragments; strongly acid, pH 5.5, hellige-truog; clear broken boundary. 20% coarse gravel and 15% fine gravel.; few clay films surface features on faces of peds; few very fine and fine roots; common medium and coarse roots
    2Bt2—83 to 94 centimeters (32.7 to 37.0 inches); dark yellowish brown (10YR 4/4) interior, light yellowish brown (10YR 6/4) interior, dry; extremely gravelly clay loam; weak coarse subangular blocky structure; slightly hard, firm, moderately sticky; 0.5 fine and medium roots; 0.5 very fine tubular pores; 15 percent distinct clay films on faces of peds; fragments; strongly acid, pH 5.5, hellige-truog; abrupt irregular boundary. 15% coarse gravel and 15% fine gravel. Bt2 horizon is two pockets comprising about 40% of profile face. Clay increase is too gradual to meet criteria for an argillic horizon.; few clay films surface features on faces of peds; few fine and medium roots; continuous - phpvsfiid 218618; continuous - phpvsfiid 218618
    2R—94 to 115 centimeters (37.0 to 45.3 inches); weathered bedrock; 0.5 fine and medium roots; 0.5 very fine interstitial pores; fragments. Fractured shale, fractures mostly less than 1 mm across and 1 to 10 cm apart. About 1% soil material in fractures and pockets. Common thick (prominent) clay films on fracture faces.; few fine and medium roots