IDENTIFIERS

  • Current Taxon Name (Soil Name): Amador
  • OSD
  • Series Extent
  • User Site ID: 03CA632022
  • User Pedon ID: S04CA099-003
  • Vegetation Plot ID: 03CA632022
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 05N0394
  • NCSS Pedon Lab Data NASIS Record ID - 17671
  • Print Date: 4/25/2024

    • 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: 37.9538611
  • Std. Longitude: -120.8142222
  • Datum: WGS84
  • Township: 1 north
  • Range: 11 east
  • Section: 7
  • PLSS Details: About 170 meters (560 feet) east and 600 meters (1,970 feet) south of the northwest corner of
  • Location Description: The site is about 400 meters (1,320 feet) north of the Bruce Orvis residence, 1,070 meters (3,520 feet) northeast of the Snow Ranch entrance from Hwy. 4 on a private road (Bruce Orvis). The entrance is 5 kilometers (3 miles) west of the Claveras Country boundary line on Hwy. 4.
  • Map Unit: 575—Amador loam, 8 to 30 percent slopes
  • Country: US—United States
  • State: California
  • County: CA099—Stanislaus
  • MLRA: 17—Sacramento and San Joaquin Valleys
  • Regional Office: SW—Southwest
  • Non-MLRA Soil Survey Area: CA632—Stanislaus County, California, Northern Part
  • 7.5 Minute USGS Quad: 37120-H7—Bachelor Valley, California

    • PEDON

  • Describers Name: JCR, KC
  • Current Taxonomic Class: Loamy, mixed, active, thermic, shallow Typic Dystroxerepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Pedon #: 22
  • Correlated Information:
  • Soil Name - Amador
  • PSC - 25 to 41 cm.
  • Classificaton Date - 7/27/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Amador
  • Classificaton Date - 7/23/2003
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loamy colluvium derived from volcanic sandstone
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: backslope
  • Slope Complexity: complex
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: very strongly coherent slight weathered sandstone, volcanic at 41cm with =>200 and a strike of 225 degrees and a dip of 8 to 12 degrees
  • Geology: Valley Springs formation.
  • Surface Fragments: 1.00 percent rounded indurated 76- to 250-millimeter metamorphic, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/23/2003 (actual site observation date)
  • Air Photo ID: 0321
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 23
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AVFA

    BRDI3

    BRHOH

    ERODI

    FEME

    MEHI

    SECAL

    TACA8

    TRHI4

    Avena fatua

    Bromus diandrus

    Bromus hordeaceus ssp. hordeaceus

    Erodium

    Festuca megalura

    Medicago hispida

    Secale

    Taeniatherum caput-medusae

    Trifolium hirtum

    wild oat

    ripgut brome

    soft brome

    stork's bill

    annual fescue

    —

    rye

    medusahead

    rose clover

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —

    —

    —

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    very strongly coherent

    41 - 49

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

    ochric epipedon

    cambic horizon

    paralithic contact

    0—18

    10—41

    41—49

    —18—

    26—31—40

    —-
    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    7/23/2003

    38

    —

    32
    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

    17

    —

    —

    85

    —

    184

    406

    —

    275

    17

    23

    10

    —

    —

    —

    —

    —

    CA5738

    Modesto

    TAPS
    A—0 to 10 centimeters (0.0 to 3.9 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; loam; 50 percent sand; 31 percent silt; 19 percent clay; moderate medium platy structure; very hard, friable, nonsticky, slightly plastic; moderate permeability; 3.0 very fine roots throughout and 1.0 fine roots throughout; 1.0 medium tubular pores; 7 percent by volume subrounded indurated 2-39-75 millimeter metamorphic, unspecified fragments observed by visual inspection method; very strongly acid, pH 4.5; clear smooth boundary.; dry when described; observed in pit, small
    Bw—10 to 41 centimeters (3.9 to 16.1 inches); light yellowish brown (10YR 6/4), brown (7.5YR 4/4), moist; loam; 45 percent sand; 34 percent silt; 21 percent clay; weak medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; moderate permeability; 2.0 very fine roots throughout; 1.0 very fine dendritic tubular and 1.0 medium tubular pores; 12 percent by volume subrounded indurated 2-39-75 millimeter metamorphic, unspecified fragments observed by visual inspection method; extremely acid, pH 4.0; abrupt smooth boundary.; dry when described; observed in pit, small
    Cr—41 centimeters (16.1 inches); very pale brown (10YR 8/2) broken face; fragments; extremely acid, pH 3.9.; slightly moist when described; observed in pit, small