IDENTIFIERS

  • Current Taxon Name (Soil Name): ELKHORN
  • OSD
  • Series Extent
  • User Site ID: S1973CA087002
  • User Pedon ID: S1973CA087002
  • Vegetation Plot ID: S1973CA087002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 73C0023
  • NCSS Pedon Lab Data NASIS Record ID - 44657
  • Print Date: 1/29/2025
  • 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: 36.9869461
  • Std. Longitude: -121.9233322
  • Datum: WGS84
  • Township: 11S
  • Range: 1W
  • Section: 11
  • PLSS Details: Approximately 200 feet west, 900 feet north of southwest corner
  • Location Description: Santa Cruz County, California. About 3/8 mile southwest across Highway #1 and along McGregor Drive from the football field of Cabrillo College. Located about 400 feet west-northwest of intersection of New Brighton Road and McGregor Drive and 25 feet southerly from McGregor Drive in presently open space (unused) land.
  • State: California
  • County: CA087—Santa Cruz
  • MLRA: 14—Central California Coastal Valleys
  • Non-MLRA Soil Survey Area: CA087—Santa Cruz County, California
  • PEDON

  • Current Taxonomic Class: Fine-loamy, mixed Pachic Argixerolls
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - ELKHORN
  • PSC - 55 to 105 cm.
  • Classificaton Date - 4/17/2002
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Elkhorn
  • Classificaton Date - 6/1/1973
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: marine terrace
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1973 (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

    2FA

    2GA

    QUWIF

    Quercus wislizeni var. frutescens

    Forb, annual

    Grass, annual

    interior live oak

    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

    3

    45.7

    698

    262

    14.4

    A11—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; loam; strong fine granular, and strong medium granular, and moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 3.0 medium roots and 21.0 fine roots; 21.0 very fine tubular and 21.0 very fine interstitial and 21.0 fine interstitial and 21.0 fine tubular pores; fragments; slightly acid, pH 6.2; abrupt smooth boundary. Lab sample # 73C00157
    A12—8 to 40 centimeters (3.1 to 15.7 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; loam; moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots and 3.0 medium roots and 3.0 fine roots; 3.0 very fine tubular and 21.0 very fine interstitial and 3.0 fine tubular pores; 2 percent by volume 2-?-15 millimeter unspecified fragments; moderately acid, pH 6.0; clear wavy boundary. Lab sample # 73C00158
    B1—40 to 55 centimeters (15.7 to 21.7 inches); brown (10YR 4/3) and dark brown (7.5YR 3/2) crushed, very dark grayish brown (10YR 3/2) rubbed, moist; loam; moderate coarse subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 3.0 medium roots and 3.0 fine roots; 3.0 very fine tubular and 21.0 very fine interstitial and 3.0 fine tubular pores; 10 percent clay films on all faces of peds; fragments; slightly acid, pH 6.5; clear wavy boundary. Lab sample # 73C00159
    B21T—55 to 75 centimeters (21.7 to 29.5 inches); pale brown (10YR 6/3), dark yellowish brown (10YR 3/4) and dark brown (10YR 3/3) rubbed, moist; sandy loam; 1 percent very dark brown (10YR 2/2) fine prominent and 1 percent black (10YR 2/1) fine prominent and 21 percent yellowish brown (10YR 5/6) medium distinct mottles; weak coarse angular blocky, and weak very coarse angular blocky structure; hard, friable, slightly sticky, slightly plastic; 3.0 fine roots; 21.0 very fine interstitial and 21.0 very fine tubular pores; 10 percent clay bridges between sand grains; fragments; neutral, pH 6.7; gradual wavy boundary. Lab sample # 73C00160
    B22T—75 to 105 centimeters (29.5 to 41.3 inches); variegated light gray (10YR 7/2) and very pale brown (10YR 7/3), dark yellowish brown (10YR 4/4) rubbed and brown (7.5YR 4/4), moist; sandy clay loam; 21 percent yellowish brown (10YR 5/6) medium and 21 percent yellowish brown (10YR 5/8) coarse and 21 percent strong brown (7.5YR 5/8) medium distinct and 21 percent strong brown (7.5YR 5/8) coarse distinct mottles; weak very coarse angular blocky, and massive; hard, friable, moderately sticky, moderately plastic; 3.0 very fine roots; 3.0 very fine tubular and 3.0 very fine interstitial and 3.0 fine tubular pores; 10 percent clay bridges between sand grains and 10 percent clay films on surfaces along pores; 75 percent coarse black (N 2/0), moist, and black (10YR 2/1), dry, and very dark brown (10YR 2/2), dry, iron-manganese masses in cracks; fragments and 3 percent by volume 2-?-75 millimeter unspecified fragments; neutral, pH 7.0; clear wavy boundary. Lab sample # 73C00161
    B23T—105 to 155 centimeters (41.3 to 61.0 inches); variegated light gray (10YR 7/2) and very pale brown (10YR 7/3), grayish brown (10YR 5/2) and brown (10YR 5/3) and brown (7.5YR 4/4) rubbed, moist; clay loam; 21 percent yellowish brown (10YR 5/8) medium prominent and 21 percent strong brown (7.5YR 5/8) medium prominent mottles; weak medium angular blocky, and weak coarse angular blocky, and massive; extremely hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots; 3.0 very fine tubular and 3.0 very fine interstitial and 3.0 fine tubular pores; 10 percent clay bridges between sand grains and 10 percent clay films on surfaces along pores and 30 percent clay films on all faces of peds and 30 percent light gray (10YR 7/2) clay bridges on vertical faces of peds; 10 percent black (N 2/0), moist, and black (10YR 2/1), dry, iron-manganese masses in cracks; fragments; neutral, pH 6.9. Lab sample # 73C00162