IDENTIFIERS

  • Current Taxon Name (Soil Name): Graven
  • OSD
  • Series Extent
  • User Site ID: S1984CA089001
  • User Pedon ID: 84CA089001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0734
  • NCSS Pedon Lab Data NASIS Record ID - 54977
  • Print Date: 3/2/2025
  • 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: 41.0147209
  • Std. Longitude: -121.4452744
  • Datum: WGS84
  • Township: 37N
  • Range: 4E
  • Section: 25
  • PLSS Details: 15 meters W and 162 meters S of NE corner
  • Location Description: Fall River Quad
  • State: California
  • County: CA089—Shasta
  • MLRA: 21—Klamath and Shasta Valleys and Basins
  • PEDON

  • Describers Name: Chuck Ferrari, Dean Burkett and Wes Lindsey
  • Current Taxonomic Class: Fine-loamy, smectitic, mesic Haplic Durixerolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Graven
  • PSC - 23 to 58 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Graven
  • Taxonomic Class - Fine, montmorillonitic, mesic Typic Durixeroll
  • Taxon Kind - series
  • Classificaton Date - 8/1/1984
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: plateaus or tablelands
  • Landform: mesa or butte
  • Slope Position: middle third
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: very poorly
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1984 (actual site observation date)
  • Microrelief Elevation: 75
  • 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
  • Site Erosion Accelerated: water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    duripan

    0—35

    23—58

    58—74

    —-

    —-

    —-

    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

    1

    1013

    45

    46

    10

    12

    1A1—0 to 8 centimeters (0.0 to 3.1 inches); grayish brown (10YR 5/2) interior, dark brown (7.5YR 3/2) crushed, moist; loam; strong medium platy, and weak fine subangular blocky structure; very hard, friable, nonsticky, slightly plastic; 2.5 very fine roots throughout; 2.5 very fine tubular and 0.5 medium vesicular pores; fragments; neutral, pH 6.6, bromthymol blue; abrupt smooth boundary. Lab sample # 84P04056; dry when described;. common very fine roots throughout
    1BA1—8 to 23 centimeters (3.1 to 9.1 inches); grayish brown (10YR 5/2) interior, dark brown (7.5YR 3/2) crushed, moist; loam; weak fine subangular blocky structure; very hard, firm, nonsticky, slightly plastic; 2.5 very fine roots and 0.5 medium roots; 5.5 very fine tubular pores; 15 percent clay films in root channels and/or pores; fragments; neutral, pH 6.7, bromthymol blue; clear smooth boundary. Lab sample # 84P04057; dry when described;. few clay films surface features in root channels and/or pores; common very fine roots; few medium roots
    1Bt1—23 to 35 centimeters (9.1 to 13.8 inches); grayish brown (10YR 5/2) interior, very dark grayish brown (10YR 3/2) crushed, moist; clay loam; weak fine prismatic, and weak fine angular blocky structure; very hard, firm, slightly sticky, moderately plastic; 2.5 very fine roots and 0.5 fine roots; 5.5 very fine tubular pores; 37 percent clay films in root channels and/or pores; fragments; neutral, pH 6.7, bromthymol blue; abrupt smooth boundary. Lab sample # 84P04058; dry when described;. common clay films surface features in root channels and/or pores; common very fine roots; few fine roots
    1Bt2—35 to 50 centimeters (13.8 to 19.7 inches); grayish brown (10YR 5/2) interior, dark brown (10YR 3/3) crushed, moist; clay; strong medium prismatic, and strong medium angular blocky structure; extremely hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots; 5.5 very fine tubular pores; 37 percent clay films on faces of peds; fragments; neutral, pH 6.6, bromthymol blue; abrupt wavy boundary. Lab sample # 84P04059; dry when described;. common clay films surface features on faces of peds; few very fine roots
    1Bt3—50 to 58 centimeters (19.7 to 22.8 inches); brown (10YR 5/3) interior, dark grayish brown (10YR 4/2) crushed, moist; clay; strong fine prismatic, and strong fine angular blocky structure; extremely hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots; 5.5 very fine tubular pores; 37 percent clay films on faces of peds; fragments; neutral, pH 6.6, bromthymol blue; clear wavy boundary. Lab sample # 84P04060; dry when described;. On bottom of this horizon there is 2 cm of material mixing Bt3 and 2Ckqm.; common clay films surface features on faces of peds; few very fine roots
    2Ckqm—58 to 74 centimeters (22.8 to 29.1 inches); brown (10YR 5/3) interior, brown (10YR 4/3) crushed, moist; very fine sandy loam; massive; very hard, very firm, nonsticky, nonplastic; 0.5 very fine roots; 30 percent fine irregular lime masses; fragments; moderately alkaline, pH 8.0, thymol-blue; abrupt wavy boundary. Lab sample # 84P04061; dry when described;. Thin capping 0.3 to 0.6 cm thick, most roots matted on capping with a few roots following fractures.; many fine soft masses of lime concentrations; few very fine roots
    2Ckq—74 to 89 centimeters (29.1 to 35.0 inches); light brownish gray (10YR 6/2) interior, dark yellowish brown (10YR 4/4) crushed, moist; very fine sandy loam; moderate coarse subangular blocky structure; very hard, firm, nonsticky, nonplastic; 0.5 very fine roots; 2.5 very fine tubular pores; 11 percent fine irregular lime masses; fragments; moderately alkaline, pH 8.0, thymol-blue; clear smooth boundary. Lab sample # 84P04062; dry when described;. common fine soft masses of lime concentrations; few very fine roots
    2Ck—89 to 109 centimeters (35.0 to 42.9 inches); light gray (10YR 7/2) interior, dark yellowish brown (10YR 4/4) crushed, moist; very fine sandy loam; massive; very hard, friable, nonsticky, nonplastic; 0.5 very fine roots; 2.5 very fine tubular pores; 11 percent fine irregular lime masses; fragments; moderately alkaline, pH 8.0, thymol-blue; clear smooth boundary. Lab sample # 84P04063; moist when described;. common fine soft masses of lime concentrations; few very fine roots
    2C—109 to 137 centimeters (42.9 to 53.9 inches); light gray (10YR 7/2) interior, dark yellowish brown (10YR 4/4) crushed, moist; very fine sandy loam; massive; hard, friable, nonsticky, nonplastic; 0.5 very fine roots; 2.5 very fine tubular pores; fragments; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary. Lab sample # 84P04064; moist when described;. few very fine roots
    3C—137 to 162 centimeters (53.9 to 63.8 inches); light gray (10YR 7/2) interior, dark yellowish brown (10YR 4/4) crushed, moist; sandy loam; massive; hard, very friable, nonsticky, nonplastic; 5.5 very fine tubular pores; fragments; slightly alkaline, pH 7.8, thymol-blue. Lab sample # 84P04065; moist when described;