IDENTIFIERS

  • Current Taxon Name (Soil Name): Still
  • OSD
  • Series Extent
  • User Site ID: S05CA069008
  • User Pedon ID: PINN121
  • Vegetation Plot ID: S05CA069008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 06N0207
  • NCSS Pedon Lab Data NASIS Record ID - 18939
  • 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: 36.4939167
  • Std. Longitude: -121.1450278
  • Datum: WGS84
  • Township: 16S
  • Range: 8E
  • Section: 31
  • PLSS Details: 680 meters south and 515 meers east of the northwest corner
  • Location Description: about 300 meters east of the entrance to Pinnacles Campground on Highway 146
  • Map Unit: 128—Still-Riverwash complex, 0 to 2 percent slopes
  • Country: US—United States
  • State: California
  • County: CA069—San Benito
  • MLRA: 15—Central California Coast Range
  • Non-MLRA Soil Survey Area: CA069—San Benito County, CaliforniaCA788—Pinnacles National Monument, California
  • 7.5 Minute USGS Quad: 36121-E1—San Benito, California

    • PEDON

  • Describers Name: K. Oster and V. Bullard
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Cumulic Haploxerolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 121
  • Correlated Information:
  • Soil Name - Still
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/27/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Still
  • Classificaton Date - 6/13/2005
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from volcanic and sedimentary rock
  • Landscape: river valley
  • Landform: stream terrace
  • Geomorphic Component Terraces: tread
  • Hill Slope Profile: toeslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Quaternary Sediments formation.
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/13/2005 (actual site observation date)
  • Air Photo ID: 12452-172
  • 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
  • Current Weather - sunny
  • Current Air Temp - 31
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    2GA

    PISA2

    POFR2

    QULO

    QUVI

    SANIC5

    —

    Pinus sabiniana

    Populus fremontii

    Quercus lobata

    Quercus virginiana

    Sambucus nigra ssp. cerulea

    Grass, annual

    California foothill pine

    Fremont cottonwood

    valley oak

    live oak

    blue elderberry

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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

    mollic epipedon

    0—151

    —-
    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

    —

    —

    —

    312.1

    —

    432

    —

    194

    16

    22

    9

    16.3

    22.5

    8.9

    —

    —

    CA6926

    Pinnacles NM

    WETS
    Oi—0 to 8 centimeters (0.0 to 3.1 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.; moist when described; observed in cut
    A1—8 to 23 centimeters (3.1 to 9.1 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; sandy loam; 10 percent clay; moderate medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 6.0 very fine roots throughout and 2.0 medium roots throughout; 4.0 very fine tubular and 4.0 medium tubular and 2.0 fine tubular pores; 5 percent by volume nonflat subangular indurated 2-5-5 millimeter mixed fragments; noneffervescent; slightly alkaline, pH 7.4, pH meter; clear smooth boundary. Lab sample # 06N00745; moist when described; observed in cut
    A2—23 to 54 centimeters (9.1 to 21.3 inches); gray (10YR 5/1), very dark gray (10YR 3/1), moist; gravelly loam; 20 percent clay; moderate coarse subangular blocky, and moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 6.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout and 1.0 coarse roots throughout; 4.0 very fine tubular and 3.0 medium tubular and 2.0 fine tubular and 1.0 coarse tubular pores; 20 percent by volume nonflat subangular indurated 2-5-5 millimeter mixed fragments; noneffervescent; slightly alkaline, pH 7.7, pH meter; clear smooth boundary. Lab sample # 06N00746; moist when described; observed in cut
    A3—54 to 79 centimeters (21.3 to 31.1 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; gravelly clay loam; 30 percent clay; moderate coarse subangular blocky, and moderate medium subangular blocky structure; slightly hard, very friable, very sticky, very plastic; 2.0 very fine roots throughout and 1.0 medium roots throughout and 2.0 fine roots throughout; 4.0 very fine tubular and 1.0 medium tubular and 1.0 coarse tubular pores; 25 percent by volume nonflat subangular indurated 2-5-5 millimeter mixed fragments; noneffervescent; moderately alkaline, pH 8.1, pH meter; clear wavy boundary. Lab sample # 06N00747; moist when described; observed in cut
    A4—79 to 97 centimeters (31.1 to 38.2 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; gravelly clay loam; 30 percent clay; moderate coarse subangular blocky structure; hard, very friable, moderately sticky, moderately plastic; 2.0 very fine roots throughout and 2.0 medium roots throughout; 4.0 very fine tubular and 8.0 medium tubular and 1.0 coarse tubular pores; 25 percent by volume nonflat subangular indurated 2-5-5 millimeter mixed fragments; very slight effervescence; moderately alkaline, pH 8.2, pH meter; clear wavy boundary. Lab sample # 06N00748; moist when described; observed in cut
    A5—97 to 120 centimeters (38.2 to 47.2 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; clay loam; 30 percent clay; moderate coarse subangular blocky, and moderate medium subangular blocky structure; hard, very friable, moderately sticky, very plastic; 2.0 very fine roots throughout and 2.0 medium roots throughout; 4.0 very fine tubular and 2.0 medium tubular and 5.0 fine tubular pores; 10 percent by volume nonflat subangular indurated 2-5-5 millimeter mixed fragments; very slight effervescence; moderately alkaline, pH 8.1, pH meter; clear wavy boundary. Lab sample # 06N00749; moist when described; observed in cut
    2Btk1—120 to 151 centimeters (47.2 to 59.4 inches); gray (2.5Y 5/1), very dark gray (2.5Y 3/1), moist; silty clay loam; 30 percent clay; strong coarse prismatic structure; very hard, friable, moderately sticky, very plastic; 2.0 very fine roots throughout and 1.0 medium roots throughout and 2.0 fine roots throughout and throughout; 4.0 very fine tubular and 3.0 medium tubular and 3.0 fine tubular pores; 30 percent distinct clay films on all faces of peds and 30 percent distinct clay films on surfaces along pores; 5 percent fine distinct carbonate masses lining pores; fragments; strong effervescence; slightly alkaline, pH 7.8, pH meter; clear wavy boundary. Lab sample # 06N00750; moist when described; observed in cut. continuous - phpvsfiid 306095; continuous - phpvsfiid 306098; continuous - phpvsfiid 306095; continuous - phpvsfiid 306098
    2Btk2—151 to 165 centimeters (59.4 to 65.0 inches); light gray (2.5Y 7/1), gray (2.5Y 5/1), moist; silty clay loam; 30 percent clay; moderate medium angular blocky structure; very hard, friable, moderately sticky, very plastic; 3.0 very fine roots throughout; 5.0 very fine tubular and 4.0 fine tubular pores; 20 percent distinct clay films on surfaces along pores and 20 percent distinct clay films on all faces of peds; 20 percent fine distinct carbonate masses lining pores; fragments; violent effervescence; slightly alkaline, pH 7.8, pH meter. Lab sample # 06N00751; moist when described; observed in cut. continuous - phpvsfiid 306104; continuous - phpvsfiid 306105; continuous - phpvsfiid 306104; continuous - phpvsfiid 306105