IDENTIFIERS

  • Current Taxon Name (Soil Name): CAJON
  • OSD
  • Series Extent
  • User Site ID: S1997CA071001
  • User Pedon ID: 97CA071001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 97P0415
  • NCSS Pedon Lab Data NASIS Record ID - 10098
  • Print Date: 11/11/2024
  • 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: 34.2638893
  • Std. Longitude: -116.0902786
  • Datum: WGS84
  • Township: 2N
  • Range: 8E
  • Section: 13
  • PLSS Details: 1100 feet west and 800 feet south of the northeast corner
  • State: California
  • County: CA071—San Bernardino
  • MLRA: 30—Mojave Basin and Range
  • Non-MLRA Soil Survey Area: CA699—Marine Corps Air Ground Combat Center at Twentynine Palms, California
  • PEDON

  • Describers Name: AAR, JCR
  • Current Taxonomic Class: Mixed, thermic Typic Torripsamments
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - CAJON
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/16/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Artil
  • Classificaton Date - 9/9/1996
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: fan piedmont
  • Landform: sand sheet
  • Runoff: very low
  • Drainage Class: somewhat excessively
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/9/1996 (actual site observation date)
  • Air Photo ID: 48
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - other
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • 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

    2

    531

    215

    102

    18.3

    27.8

    10

    20.6

    30

    12.2

    CA9099

    TWENTYNINE PALMS

    TAPPS, FROST, A

    A1—0 to 3 centimeters (0.0 to 1.2 inches); very pale brown (10YR 7/3), brown (10YR 5/3), moist; sand; moderate thick platy structure; slightly hard, very friable, nonsticky, nonplastic; 3.0 very fine and fine roots; 7.0 very fine vesicular pores; 1 percent by volume 2-39-75 millimeter granite fragments; noneffervescent; strongly alkaline, pH 8.6, hellige-truog; clear wavy boundary. Lab sample # 97P02485
    A2—3 to 18 centimeters (1.2 to 7.1 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; sand; moderate thick platy structure; slightly hard, very friable, nonsticky, nonplastic; 7.0 very fine and fine roots and 3.0 medium roots; 0.5 fine and medium moderate-continuity tubular pores; fragments; noneffervescent; strongly alkaline, pH 8.7, hellige-truog; clear wavy boundary. Lab sample # 97P02486
    C1—18 to 36 centimeters (7.1 to 14.2 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; sand; weak and moderate medium and coarse subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 3.0 very fine to medium roots; 3.0 very coarse moderate-continuity tubular and 0.5 fine and medium moderate-continuity tubular pores; fragments; noneffervescent; strongly alkaline, pH 8.9, hellige-truog; clear wavy boundary. Lab sample # 97P02487
    C2—36 to 56 centimeters (14.2 to 22.0 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; sand; massive; slightly hard, very friable, nonsticky, nonplastic; 3.0 medium roots; 3.0 very fine high-continuity tubular pores; 5 percent by volume 2-39-75 millimeter granite fragments; slight effervescence; strongly alkaline, pH 8.8, hellige-truog; clear wavy boundary. Lab sample # 97P02488
    C3—56 to 114 centimeters (22.0 to 44.9 inches); light yellowish brown (10YR 6/4), brown (10YR 4/3), moist; sand; massive; slightly hard, very friable, nonsticky, nonplastic; 3.0 medium roots; 3.0 very fine high-continuity tubular and 3.0 very fine high-continuity tubular pores; fragments; slight effervescence; strongly alkaline, pH 8.7, hellige-truog; clear wavy boundary. Lab sample # 97P02489
    C4—114 to 165 centimeters (44.9 to 65.0 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; sand; massive; slightly hard, very friable, nonsticky, nonplastic; 3.0 medium roots; fragments; slight effervescence; strongly alkaline, pH 8.7, hellige-truog. Lab sample # 97P02490