IDENTIFIERS

  • Current Taxon Name (Soil Name): PACKWOOD
  • OSD
  • Series Extent
  • User Site ID: S1973CA049001
  • User Pedon ID: S1973CA049001
  • Vegetation Plot ID: S1973CA049001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 73C0092
  • NCSS Pedon Lab Data NASIS Record ID - 44726
  • Print Date: 11/21/2024

    • 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: 41.6555557
  • Std. Longitude: -120.7249985
  • Datum: WGS84
  • Township: 44N
  • Range: 11E
  • Section: 16
  • PLSS Details: 100 feet W of Crowder Flat Rd, 11.4 miles N of Modoc N.F. boundary on Crowder Flat Rd in the NE1/4 of the NE1/4
  • State: California
  • County: CA049—Modoc
  • MLRA: 21—Klamath and Shasta Valleys and Basins
  • Non-MLRA Soil Survey Area: CA703—Modoc National Forest Area, California

    • PEDON

  • Describers Name: W.B. Sheldon and J.O. Borgen
  • Current Taxonomic Class: Loamy, mixed, shallow Xeric Argidurids
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - PACKWOOD
  • PSC - 13 to 20 cm.
  • Classificaton Date - 8/4/2003
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Packwood
  • Classificaton Date - 11/17/1973
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: lava plateau
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/17/1973 (actual site observation date)
  • 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

    AGROS2

    ARTEM

    BRTE

    FEID

    JUNIP

    Agrostis

    Artemisia

    Bromus tectorum

    Festuca idahoensis

    Juniperus

    bentgrass

    sagebrush

    cheatgrass

    Idaho fescue

    juniper

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    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

    —

    —

    1526

    —

    45

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A11—0 to 5 centimeters (0.0 to 2.0 inches); light yellowish brown (10YR 6/4), brown (7.5YR 4/4), moist; extremely stony loam; weak medium and coarse platy structure; slightly hard, very friable, slightly sticky, slightly plastic; 0.5 very fine roots; 3.0 very fine and fine vesicular and 3.0 very fine interstitial and 0.5 very fine tubular pores; 10 percent by volume 75-?-250 millimeter unspecified fragments and 20 percent by volume 250-?-? millimeter basalt fragments; slightly acid, pH 6.5, bromthymol blue; clear smooth boundary. Lab sample # 73C00631
    A12—5 to 13 centimeters (2.0 to 5.1 inches); light yellowish brown (10YR 6/4), brown (7.5YR 4/4), moist; loam; weak medium subangular blocky structure; hard, very friable, slightly sticky, slightly plastic; 0.5 very fine roots; 3.0 very fine interstitial and 0.5 very fine tubular pores; fragments; slightly acid, pH 6.5, bromthymol blue; clear smooth boundary. Lab sample # 73C00632
    B2t—13 to 20 centimeters (5.1 to 7.9 inches); brown (7.5YR 4/4), dark reddish brown (5YR 3/4), moist; clay loam; weak medium and coarse subangular blocky structure; hard, very friable, moderately sticky, moderately plastic; 0.5 very fine roots; 0.5 fine tubular and 0.5 fine interstitial pores; on surfaces along pores and 30 percent thick clay films on all faces of peds; fragments; neutral, pH 7.0, bromthymol blue; abrupt smooth boundary. Lab sample # 73C00633
    C1sim—20 to 28 centimeters (7.9 to 11.0 inches); yellow (10YR 7/6), strong brown (7.5YR 5/6), moist; strong medium and coarse platy structure; very hard, strongly coherent; 0.1 very fine roots top of horizon; fragments; abrupt smooth boundary. Lab sample # 73C00634
    C2sicam—28 to 41 centimeters (11.0 to 16.1 inches); brown (10YR 5/3), dark yellowish brown (10YR 4/4), moist; massive parts to weak medium and coarse platy; very hard, strongly coherent; fragments; abrupt smooth boundary. Lab sample # 73C00635
    R—41 to 43 centimeters (16.1 to 16.9 inches); dark gray (N 4/0); hard; fragments. Lab sample # 73C00636