IDENTIFIERS

  • Current Taxon Name (Soil Name): CHOOP
  • OSD
  • Series Extent
  • User Site ID: S1984CA105004
  • User Pedon ID: 84CA105004
  • Vegetation Plot ID: S1984CA105004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0542
  • NCSS Pedon Lab Data NASIS Record ID - 54786
  • 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: 40.6277771
  • Std. Longitude: -122.7130585
  • Datum: WGS84
  • Location Description: Trinity County, California. 2.1 miles south of HWY 299
  • State: California
  • County: CA105—Trinity
  • MLRA: 5—Siskiyou-Trinity Area
  • Non-MLRA Soil Survey Area: CA606—Trinity County, California, Weaverville Area

    • PEDON

  • Current Taxonomic Class: Sandy-skeletal, mixed Typic Xerorthents
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - CHOOP
  • PSC - 25 to 64 cm.
  • Classificaton Date - 3/12/2002
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Choop
  • Taxonomic Class - Sandy-skeletal, mixed, mesic Typic Xerorthent
  • Taxon Kind - series
  • Classificaton Date - 6/1/1984
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: mountain
  • Slope Shape Across: convex
  • Runoff: very high
  • Drainage Class: well
  • Surface Fragments: 1.00 percent 250- to 600-millimeter
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1984 (actual site observation date)
  • Air Photo ID: 41K.5-8
  • Surface Cover Properties:
  • 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

    ARCTO3

    CEPR

    LIDE3

    PIPO

    QUCH2

    Arctostaphylos

    Ceanothus prostratus

    Lithocarpus densiflorus

    Pinus ponderosa

    Quercus chrysolepis

    manzanita

    prostrate ceanothus

    tanoak

    ponderosa pine

    canyon live oak

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    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

    45

    —

    —

    1280.2

    —

    180

    1524

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    O—0 to 3 centimeters (0.0 to 1.2 inches); material; fragments.
    A—3 to 16 centimeters (1.2 to 6.3 inches); black (10YR 2/1), very dark grayish brown (10YR 3/2), dry; fine gravelly loamy coarse sand; 3 percent clay; weak very fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine roots and 0.5 fine roots; 0.5 very fine tubular and 0.5 fine tubular pores; 20 percent by volume 2-?-5 millimeter unspecified fragments; moderately acid, pH 6.0; abrupt wavy boundary. Lab sample # 84P02957
    C1—16 to 31 centimeters (6.3 to 12.2 inches); dark grayish brown (10YR 4/2) and brown (10YR 5/3), light gray (10YR 7/2), dry; fine gravelly loamy coarse sand; 3 percent clay; weak very fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine roots and 0.5 medium roots and 3.0 fine roots; 0.5 very fine tubular and 0.5 fine tubular pores; 45 percent by volume 2-?-5 millimeter unspecified fragments; strongly acid, pH 5.5; clear wavy boundary. Lab sample # 84P02958
    C2—31 to 67 centimeters (12.2 to 26.4 inches); dark grayish brown (10YR 4/2) and yellow (10YR 7/8), very pale brown (10YR 8/2) and brown (10YR 5/3), dry; extremely gravelly coarse sand; 1 percent clay; single grain; loose, loose, nonsticky, nonplastic; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots and 0.5 coarse roots; 0.5 very fine tubular and 0.5 fine tubular pores; 70 percent by volume 2-?-5 millimeter unspecified fragments; strongly acid, pH 5.5; abrupt wavy boundary. Lab sample # 84P02959
    C3R—67 to 67 centimeters (26.4 to 26.4 inches); fragments.