IDENTIFIERS

  • Current Taxon Name (Soil Name): ROUNDBARN
  • OSD
  • Series Extent
  • User Site ID: S1973CA049008
  • User Pedon ID: S1973CA049008
  • Vegetation Plot ID: S1973CA049008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 73C0099
  • NCSS Pedon Lab Data NASIS Record ID - 44733
  • Print Date: 12/12/2024
  • 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: 41.5344429
  • Std. Longitude: -121.0138855
  • Datum: WGS84
  • Township: 43N
  • Range: 8E
  • Section: 36
  • Location Description: Modoc County, California. This site is located 69 feet N of turn-out on dirt road 2.0 miles W of Loveness Road, 0.8 mile N of HWY 139. Modoc National Forest SSA.
  • 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

  • Current Taxonomic Class: Loamy-skeletal, mixed Vitrandic Argixerolls
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 8
  • Correlated Information:
  • Soil Name - ROUNDBARN
  • PSC - 33 to 100 cm.
  • Classificaton Date - 3/12/2002
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Sattley
  • Classificaton Date - 6/1/1973
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: nearly level plateau, upland
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1973 (actual site observation date)
  • Air Photo ID: ESC-7-27
  • 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

    FESTU

    JUOC

    PIJE

    PIPO

    PRAM

    PURSH

    VIAM

    WYETH

    Arctostaphylos

    Festuca

    Juniperus occidentalis

    Pinus jeffreyi

    Pinus ponderosa

    Prunus americana

    Purshia

    Vicia americana

    Wyethia

    manzanita

    fescue

    western juniper

    Jeffrey pine

    ponderosa pine

    American plum

    bitterbrush

    American vetch

    mule-ears

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

    argillic horizon

    mollic epipedon

    —-

    —-

    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

    1500

    315

    457

    7

    O1—0 to 2 centimeters (0.0 to 0.8 inches); material; fragments.
    O2—2 to 5 centimeters (0.8 to 2.0 inches); very dark grayish brown (10YR 3/2) highly decomposed plant material; fragments.
    A1—5 to 20 centimeters (2.0 to 7.9 inches); reddish brown (5YR 4/4), dark reddish brown (2.5YR 2/4), moist; gravelly loam; weak medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 3.0 very fine roots and 0.5 medium roots and 3.0 fine roots; 21.0 very fine interstitial and 0.1 fine tubular pores; 5 percent by volume 75-?-250 millimeter unspecified fragments and 15 percent by volume 2-?-75 millimeter unspecified fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # 73C00677
    A3—20 to 38 centimeters (7.9 to 15.0 inches); yellowish red (5YR 4/6), dark reddish brown (2.5YR 2/4), moist; gravelly cobbly loam; weak medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 3.0 very fine roots and 3.0 medium roots and 3.0 fine roots and 3.0 coarse roots; 0.5 very fine tubular and 3.0 very fine interstitial pores; 10 percent clay bridges between sand grains and 10 percent clay films on all faces of peds; 15 percent by volume 2-?-75 millimeter unspecified fragments and 20 percent by volume 75-?-250 millimeter unspecified fragments; slightly acid, pH 6.5; clear irregular boundary. Lab sample # 73C00678
    B21T—38 to 66 centimeters (15.0 to 26.0 inches); reddish brown (5YR 4/4), dark reddish brown (2.5YR 2/4), moist; gravelly cobbly clay loam; weak medium subangular blocky, and weak coarse subangular blocky structure; hard, very friable, slightly sticky, slightly plastic; 0.5 very fine roots and 3.0 medium roots and 0.5 fine roots and 3.0 coarse roots; 0.1 very fine tubular and 0.5 very fine interstitial pores; 10 percent clay films on all faces of peds and 30 percent clay films on surfaces along pores; 20 percent by volume 75-?-250 millimeter unspecified fragments and 25 percent by volume 2-?-75 millimeter unspecified fragments; slightly acid, pH 6.3; clear irregular boundary. Lab sample # 73C00679
    B22T—66 to 101 centimeters (26.0 to 39.8 inches); yellowish red (5YR 4/6), dark reddish brown (5YR 3/4), moist; gravelly cobbly clay loam; weak medium subangular blocky, and weak coarse subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots and 0.5 medium roots; 0.5 very fine interstitial and 21.0 very fine tubular pores; 30 percent clay films on surfaces along pores and 30 percent clay films on all faces of peds; 35 percent by volume 2-?-75 millimeter unspecified fragments and 40 percent by volume 75-?-250 millimeter unspecified fragments; slightly acid, pH 6.3; clear irregular boundary. Lab sample # 73C00680
    R—101 to 119 centimeters (39.8 to 46.9 inches); bedrock; fragments.