IDENTIFIERS

  • Current Taxon Name (Soil Name): Sites
  • OSD
  • Series Extent
  • User Site ID: S1962-CA-45-138x
  • User Pedon ID: 62-CA-45-138x
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD6245138
  • NCSS Pedon Lab Data NASIS Record ID - 42013
  • Print Date: 4/26/2025

    • 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: 40.9832649
  • Std. Longitude: -121.9283447
  • Datum: WGS84
  • Township: 36N
  • Range: 1W
  • Section: 13
  • PLSS Details: NW/4, NW/4
  • Location Description: 2.5 miles southwest of Big Bend on the east side of Big Bend Road, about 50 yards north of the telephone line crossing.
  • Map Unit: SnD—Sites loam, 15 to 30 percent slopes, low ffd
  • State: California
  • County: CA089—Shasta
  • MLRA: 22B—Southern Cascade Mountains
  • MLRA Soil Survey Area: SW-SON—Sonora, California
  • Non-MLRA Soil Survey Area: CA607—Shasta County Area, California
  • 7.5 Minute USGS Quad: 40121-H8—Roaring Creek, California

    • PEDON

  • Describers Name: COS
  • Current Taxonomic Class: Fine, mixed, superactive, mesic Xeric Haplohumults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Sites
  • PSC - 39 to 163 cm.
  • Classificaton Date - 2/15/2018
  • Classifier - Cathy Scott
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - KOSK
  • Taxonomic Class - Clayey, mixed, mesic Xeric Haplohumults
  • Classificaton Date - 1/28/2009
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from metamorphic rock
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Hills: side slope
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Complexity: simple
  • Drainage Class: well
  • Bedrock: sandstone, unspecified
  • Geology: Sandstone (weakly Consolidated) formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/28/2009 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, savanna
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—39

    39—163

    —39—

    —124—
    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

    27

    —

    —

    920

    —

    315

    1778

    —

    —

    8.3

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments; abrupt smooth boundary. Lab sample # UCD01599
    A1—3 to 8 centimeters (1.2 to 3.1 inches); dark brown (7.5YR 3/2), reddish brown (5YR 4/3), dry; stony loam; 44 percent sand; 42 percent silt; 15 percent clay; strong very fine granular structure; soft, very friable, nonsticky, nonplastic; many very fine roots throughout; many very fine irregular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; noneffervescent; moderately acid, pH 5.9, pH meter; clear smooth boundary. Lab sample # UCD01600
    A2—8 to 18 centimeters (3.1 to 7.1 inches); dark reddish brown (5YR 3/4), reddish brown (5YR 4/3), dry; gravelly loam; 43 percent sand; 41 percent silt; 16 percent clay; strong fine granular structure; soft, very friable, slightly sticky, nonplastic; many very fine roots throughout; common very fine irregular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; noneffervescent; moderately acid, pH 6.0, pH meter; clear wavy boundary. Lab sample # UCD01601
    AB—18 to 39 centimeters (7.1 to 15.4 inches); reddish brown (5YR 4/4), reddish brown (5YR 4/3), dry; very gravelly loam; 41 percent sand; 37 percent silt; 22 percent clay; strong fine granular parts to strong medium granular structure; slightly hard, friable, slightly sticky, nonplastic; common fine roots throughout; common very fine irregular pores; 35 percent by volume indurated 2-35-75 millimeter unspecified fragments; noneffervescent; moderately acid, pH 5.9, pH meter; clear smooth boundary. Lab sample # UCD01602
    Bt1—39 to 72 centimeters (15.4 to 28.3 inches); yellowish red (5YR 4/6), yellowish red (5YR 5/6), dry; clay loam; 23 percent sand; 38 percent silt; 39 percent clay; strong medium angular blocky structure; hard, extremely firm, moderately sticky, moderately plastic; very few medium roots throughout and few fine roots throughout; few fine irregular pores; clay films on surfaces along pores; fragments; noneffervescent; very strongly acid, pH 5.0, pH meter; gradual smooth boundary. Lab sample # UCD01603. continuous - phpvsfiid 662504; continuous - phpvsfiid 662504
    Bt2—72 to 107 centimeters (28.3 to 42.1 inches); 5YR 4/8 (5YR 4/8), yellowish red (5YR 4/6), dry; clay; 10 percent sand; 37 percent silt; 53 percent clay; weak coarse subangular blocky structure; hard, firm, moderately sticky, moderately plastic; very few very fine roots throughout and very few fine roots throughout; few very fine irregular pores; clay films on surfaces along pores; fragments; noneffervescent; very strongly acid, pH 4.6, pH meter; clear wavy boundary. Lab sample # UCD01604. continuous - phpvsfiid 662505; continuous - phpvsfiid 662505
    BCt—107 to 163 centimeters (42.1 to 64.2 inches); yellowish red (5YR 5/6), strong brown (7.5YR 5/6), dry; clay loam; 36 percent sand; 37 percent silt; 27 percent clay; slightly hard, friable, slightly sticky, slightly plastic; very few very fine roots throughout; common very fine vesicular pores; 30 percent clay films between sand grains; fragments; noneffervescent; very strongly acid, pH 4.7, pH meter; diffuse wavy boundary. Lab sample # UCD01605
    C1—163 to 234 centimeters (64.2 to 92.1 inches); strong brown (7.5YR 5/6), light yellowish brown (10YR 6/4), dry; sandy loam; 58 percent sand; 24 percent silt; 18 percent clay; soft, very friable, slightly sticky, nonplastic; very few fine roots throughout; common very fine vesicular pores; 30 percent clay films between sand grains; fragments; noneffervescent; very strongly acid, pH 5.0, pH meter; diffuse wavy boundary. Lab sample # UCD01606
    C2—234 to 272 centimeters (92.1 to 107.1 inches); light yellowish brown (10YR 6/4), very pale brown (10YR 7/3), dry; sandy loam; 59 percent sand; 29 percent silt; 12 percent clay; hard, friable, slightly sticky; fragments; noneffervescent; very strongly acid, pH 4.9, pH meter. Lab sample # UCD01607