IDENTIFIERS

  • Current Taxon Name (Soil Name): MOUSER
  • OSD
  • Series Extent
  • User Site ID: 05ca08564186
  • User Pedon ID: 05ca08564186
  • Vegetation Plot ID: 05ca08564186
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 07N0677
  • NCSS Pedon Lab Data NASIS Record ID - 19555
  • Print Date: 4/22/2026

    • 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: 37.3198639
  • Std. Longitude: -122.1456139
  • Datum: WGS84
  • Township: 7s
  • Range: 3w
  • Section: 13
  • Location Description: Monte Bello Open Space, Black Mountain north of towers, past WP03 gate on Black Mountain Trail east about 200 feet near large buckeye, 50 feet north of trail.
  • Map Unit: 520—Mouser-Maymen complex, 30 to 75 percent slopes568—Golfcart-Maygat complex, 8 to 30 percent slopes
  • State: California
  • County: CA085—Santa Clara
  • MLRA: 15—Central California Coast Range
  • Non-MLRA Soil Survey Area: CA641—Santa Clara Area, California, Western Part
  • 7.5 Minute USGS Quad: 37122-C2—Mindego Hill, California

    • PEDON

  • Describers Name: William Reed, Valerie Bullard
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Pachic Ultic Haploxerolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 86
  • Correlated Information:
  • Soil Name - MOUSER
  • PSC - 41 to 91 cm.
  • Classificaton Date - 7/27/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Mouser
  • Classificaton Date - 10/17/2005
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: weathered from colluvium
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank, upper third
  • Hill Slope Profile: backslope
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: strongly coherent slight weathered greenstone at 145cm with <10
  • Geology: Greenstone formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/17/2005 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • 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

    HEAR5

    QUBE5

    Heteromeles arbutifolia

    Quercus berberidifolia

    toyon

    scrub oak

    —

    —

    —

    —

    —

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

    bedrock, lithic

    —

    145 - 148

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

    mollic epipedon

    cambic horizon

    2—128

    41—130

    —-

    —-
    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

    35

    —

    —

    844

    —

    20

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —

    —

    —

    —
    Oi—0 to 5 centimeters (0.0 to 2.0 inches); slightly decomposed plant material; 20 percent by volume subangular strongly coherent cemented 20-43-75 millimeter mixed fragments; abrupt smooth boundary.; dry when described; observed in pit, small
    A1—5 to 8 centimeters (2.0 to 3.1 inches); brown (7.5YR 4/2) broken face, very dark brown (7.5YR 2.5/2) broken face, moist; gravelly loam; 22 percent clay; weak fine granular structure; soft, very friable, nonsticky, slightly plastic; moderately rapid permeability; 1.0 very fine roots; 10.0 very fine interstitial pores; 20 percent by volume subangular strongly coherent cemented 20-55-75 millimeter mixed fragments; noneffervescent, by hcl, 1n; moderately acid, pH 5.9, pH meter; clear wavy boundary.; dry when described; observed in pit, small
    A2—8 to 25 centimeters (3.1 to 9.8 inches); brown (7.5YR 4/2) broken face, very dark brown (7.5YR 2.5/2) broken face, moist; gravelly loam; 23 percent clay; weak fine granular structure; soft, very friable, nonsticky, slightly plastic; moderately rapid permeability; 1.0 very fine roots; 10.0 very fine interstitial pores; 20 percent by volume subangular strongly coherent cemented 20-53-75 millimeter mixed fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.3, pH meter; clear wavy boundary.; dry when described; observed in pit, small
    A3—25 to 41 centimeters (9.8 to 16.1 inches); brown (7.5YR 4/2) broken face, very dark brown (7.5YR 2.5/2) broken face, moist; gravelly loam; 23 percent clay; weak fine granular structure; soft, very friable, nonsticky, slightly plastic; moderately rapid permeability; 1.0 very fine roots and 0.1 fine roots; 10.0 very fine interstitial pores; 20 percent by volume subangular strongly coherent cemented 20-46-75 millimeter mixed fragments; noneffervescent, by hcl, 1n; moderately acid, pH 6.0, pH meter; abrupt wavy boundary.; dry when described; observed in pit, small
    Bt1—41 to 70 centimeters (16.1 to 27.6 inches); brown (7.5YR 4/2) broken face, very dark brown (7.5YR 2.5/2) broken face, moist; gravelly loam; 25 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderately rapid permeability; 0.1 very fine roots and 1.0 very fine roots and 1.0 coarse roots; 10.0 very fine interstitial pores; 10 percent clay films on all faces of peds; 15 percent by volume subangular strongly coherent cemented 20-41-75 millimeter mixed fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.1, pH meter; clear smooth boundary.; dry when described; observed in pit, small
    Bt2—70 to 95 centimeters (27.6 to 37.4 inches); brown (7.5YR 4/2) broken face, dark brown (7.5YR 3/2) broken face, moist; gravelly loam; 25 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 1.0 very fine roots and 0.1 fine roots; 10.0 very fine interstitial pores; 20 percent clay films on all faces of peds; 25 percent by volume subangular strongly coherent cemented 20-48-75 millimeter mixed fragments; noneffervescent, by hcl, 1n; moderately acid, pH 5.9, pH meter; clear smooth boundary.; dry when described; observed in pit, small
    BC1—95 to 130 centimeters (37.4 to 51.2 inches); brown (7.5YR 4/3) broken face, dark brown (7.5YR 3/2) broken face, moist; gravelly loam; 22 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 1.0 very fine roots and 0.1 fine roots; 10.0 very fine interstitial pores; 25 percent by volume subangular strongly coherent cemented 20-57-75 millimeter mixed fragments; noneffervescent, by hcl, 1n; moderately acid, pH 5.8, pH meter; abrupt smooth boundary.; dry when described; observed in pit, small
    BC2—130 to 145 centimeters (51.2 to 57.1 inches); brown (7.5YR 4/3) broken face, dark brown (7.5YR 3/2) broken face, moist; very gravelly loam; 18 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 10.0 very fine interstitial pores; 35 percent by volume subangular strongly coherent cemented 20-69-75 millimeter mixed fragments; noneffervescent, by hcl, 1n; moderately acid, pH 5.7, pH meter; abrupt smooth boundary.; dry when described; observed in pit, small
    Cr—145 to 148 centimeters (57.1 to 58.3 inches); bedrock; fragments.; dry when described; observed in pit, small. Greenstone is fractured at 2 to 5cm.