IDENTIFIERS

  • Current Taxon Name (Soil Name): Cragwash
  • OSD
  • Series Extent
  • User Site ID: 07CA089001
  • User Pedon ID: 789357
  • Vegetation Plot ID: 07CA089001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 08N0097
  • NCSS Pedon Lab Data NASIS Record ID - 19525
  • Print Date: 1/31/2025

    • 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: 40.5575833
  • Std. Longitude: -121.5110000
  • Datum: WGS84
  • Township: 31 N
  • Range: 4 E
  • Section: 10
  • PLSS Details: approximately 100 south and 2500 feet east of the northwest corner
  • Location Description: About .38 miles southeast of Lost Creek Organizational Campground
  • Map Unit: 142—Cragwash ashy loamy coarse sand, 1 to 30 percent slopes
  • State: California
  • County: CA089—Shasta
  • MLRA: 22B—Southern Cascade Mountains
  • Non-MLRA Soil Survey Area: CA789—Lassen Volcanic National Park, California
  • 7.5 Minute USGS Quad: 40121-E5—Manzanita Lake, California

    • PEDON

  • Describers Name: AEC, DWB, JBB, JKA
  • Current Taxonomic Class: Ashy-skeletal over sandy or sandy-skeletal, glassy over isotic, frigid Typic Vitrixerands
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Cragwash
  • PSC - 4 to 104 cm.
  • Classificaton Date - 4/21/2010
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Chaos Crags tephra over outwash derived from volcanic rock
  • Landscape: mountains
  • Landform: outwash plain
  • Geomorphic Component Mountains: mountainbase
  • Hill Slope Profile: toeslope
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Drainage Class: well
  • Geology: Qta member.
  • Surface Fragments: 5.00 percent nonflat subangular 2- to 75-millimeter volcanic, unspecified, 1.00 percent nonflat subangular 250- to 600-millimeter volcanic, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

  • Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
    Ecological Site ID Ecological Site Name Correlation Data Classifier
    F022BI103CA Frigid Tephra Over Slopes And Flats

    • SITE OBSERVATION

  • Observation Date: 10/2/2007 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • 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

    ABCO

    PIJE

    Abies concolor

    Pinus jeffreyi

    white fir

    Jeffrey pine

    —

    —

    —

    —

    —

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

    duripan

    strongly coherent

    144 - 208

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

    —

    —

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

    10/2/2007

    50

    —

    —
    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

    5

    —

    —

    1727.9

    —

    312

    1041

    —

    —

    6

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 4 centimeters (0.0 to 1.6 inches); mottles; ; ; ; fragments; abrupt smooth boundary.; slightly moist when described; observed in trench
    A1—4 to 7 centimeters (1.6 to 2.8 inches); dark grayish brown (10YR 4/2), very dark brown (10YR 2/2), moist; sandy loam; 3 percent clay; mottles; weak thick platy structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine roots throughout; 3.0 very fine tubular and 3.0 very fine interstitial pores; ; ; ; 2 percent by volume nonflat subangular 5-40-75 millimeter volcanic, unspecified fragments and 10 percent by volume nonflat subangular 2-3-5 millimeter volcanic, unspecified fragments; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary.; slightly moist when described; observed in trench
    A2—7 to 13 centimeters (2.8 to 5.1 inches); light brownish gray (10YR 6/2), very dark grayish brown (10YR 3/2), moist; gravelly sandy loam; 3 percent clay; mottles; weak fine and medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine and fine roots throughout; 8.0 very fine irregular and 8.0 very fine tubular pores; ; ; ; 5 percent by volume nonflat subangular 5-40-75 millimeter volcanic, unspecified fragments and 20 percent by volume nonflat subangular 2-3-5 millimeter volcanic, unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary.; dry when described; observed in trench
    C—13 to 29 centimeters (5.1 to 11.4 inches); light gray (10YR 7/2), dark grayish brown (10YR 4/2), moist; very gravelly sandy loam; 4 percent clay; mottles; massive parts to weak fine to coarse subangular blocky; soft, very friable, nonsticky, nonplastic; 3.0 very fine to medium roots throughout and 0.8 coarse roots throughout; 3.0 very fine irregular and 3.0 very fine tubular and 0.8 fine irregular and 0.8 fine tubular pores; ; ; ; 20 percent by volume nonflat angular 2-3-5 millimeter volcanic, unspecified fragments and 20 percent by volume nonflat angular 5-40-75 millimeter volcanic, unspecified fragments; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary.; dry when described; observed in trench
    2Ab—29 to 43 centimeters (11.4 to 16.9 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; very gravelly sandy loam; 4 percent clay; mottles; weak fine and medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 8.0 very fine to coarse roots throughout and 3.0 very coarse roots throughout; 3.0 very fine irregular and 3.0 very fine tubular pores; ; ; ; 20 percent by volume nonflat subangular 2-3-5 millimeter volcanic, unspecified fragments and 30 percent by volume nonflat subangular 5-40-75 millimeter volcanic, unspecified fragments; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary.; dry when described; observed in trench
    2Bwb1—43 to 68 centimeters (16.9 to 26.8 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; very gravelly sandy loam; 2 percent clay; mottles; weak fine and medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 8.0 very fine to coarse roots throughout and 3.0 very coarse roots throughout; 3.0 very fine tubular and 3.0 very fine irregular pores; ; ; ; 5 percent by volume nonflat subangular 75-163-250 millimeter volcanic, unspecified fragments and 18 percent by volume nonflat subangular 2-3-5 millimeter volcanic, unspecified fragments and 35 percent by volume nonflat subangular 5-40-75 millimeter volcanic, unspecified fragments; neutral, pH 6.6, hellige-truog; clear smooth boundary.; dry when described; observed in trench
    2Bwb2—68 to 97 centimeters (26.8 to 38.2 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; extremely gravelly coarse sandy loam; 2 percent clay; mottles; weak fine and medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 8.0 very fine and fine roots throughout and 3.0 medium roots throughout and 0.8 coarse roots throughout; 3.0 very fine and fine interstitial and 8.0 very fine tubular pores; ; ; ; 13 percent by volume nonflat subangular 2-3-5 millimeter volcanic, unspecified fragments and 15 percent by volume nonflat subangular 75-163-250 millimeter volcanic, unspecified fragments and 34 percent by volume nonflat subangular 5-40-75 millimeter volcanic, unspecified fragments; neutral, pH 6.6, hellige-truog; clear smooth boundary.; dry when described; observed in trench
    2Bqb—97 to 144 centimeters (38.2 to 56.7 inches); light gray (10YR 7/2), brown (10YR 4/3), moist; extremely cobbly loamy coarse sand; 2 percent clay; weak fine and medium subangular blocky parts to single grain; soft, very friable, nonsticky, nonplastic; 3.0 very fine and fine roots throughout and 0.8 medium roots throughout; 8.0 very fine tubular and 8.0 very fine interstitial and 3.0 fine interstitial pores; 30 percent silica masses; 13 percent by volume nonflat subangular 2-3-5 millimeter volcanic, unspecified fragments and 26 percent by volume nonflat subangular 5-40-75 millimeter volcanic, unspecified fragments and 35 percent by volume nonflat subangular 75-163-250 millimeter volcanic, unspecified fragments; neutral, pH 6.6, hellige-truog; abrupt smooth boundary.; dry when described; observed in trench
    2Bqmb—144 to 208 centimeters (56.7 to 81.9 inches); light gray (10YR 7/1), dark grayish brown (10YR 4/2), moist; extremely gravelly coarse sandy loam; 5 percent clay; massive; extremely hard, slightly rigid, strongly coherent, nonsticky, nonplastic; 8.0 very fine and fine interstitial pores; 50 percent silica masses in matrix; 2 percent by volume nonflat subangular 75-163-250 millimeter volcanic, unspecified fragments and 33 percent by volume nonflat subangular 5-40-75 millimeter volcanic, unspecified fragments and 33 percent by volume nonflat subangular 2-3-5 millimeter volcanic, unspecified fragments; neutral, pH 6.6, hellige-truog.; dry when described; observed in trench