IDENTIFIERS

  • Current Taxon Name (Soil Name): Modoc
  • OSD
  • Series Extent
  • User Site ID: S1967OR035009
  • User Pedon ID: S1967OR035009
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 67C0040
  • NCSS Pedon Lab Data NASIS Record ID - 42933
  • Print Date: 9/24/2024

    • 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: 42.1241684
  • Std. Longitude: -121.7233353
  • Datum: WGS84
  • Township: 40S
  • Range: 9E
  • Section: 2
  • PLSS Details: 1800 feet W and 700 feet S of the NE corner
  • Location Description: Two miles S and 1 1/4 miles W of Henley.
  • State: Oregon
  • County: OR035—Klamath
  • MLRA: 21—Klamath and Shasta Valleys and Basins
  • Non-MLRA Soil Survey Area: OR640—Klamath County, Oregon, Southern Part
  • 7.5 Minute USGS Quad: 42121-A6—Lost River, Oregon

    • PEDON

  • Describers Name: A.O. Ness, J.S. Cahoon
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Argidic Durixerolls
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 9
  • Correlated Information:
  • Soil Name - Modoc
  • PSC - 30 to 80 cm.
  • Classificaton Date - 1/27/2010
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Modoc
  • Classificaton Date - 9/14/1967
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: lake terrace
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/14/1967 (actual site observation date)
  • Air Photo ID: 2AA-267
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    3

    —

    —

    1250

    —

    330

    —

    —

    8.3

    —

    —

    9.4

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); gray (10YR 5/1), very dark brown (10YR 2/2) crushed and very dark grayish brown (10YR 3/2) crushed, moist; loam; moderate fine granular structure; friable, slightly sticky, slightly plastic; 21.0 very fine roots and 0.5 fine and medium roots; 21.0 very fine interstitial pores; fragments; neutral, pH 6.8, bromthymol blue; abrupt smooth boundary. Lab sample # 67C00538. sampled for engineering soil tests
    A12—20 to 30 centimeters (7.9 to 11.8 inches); gray (10YR 5/1), very dark brown (10YR 2/2) crushed and very dark grayish brown (10YR 3/2) crushed, moist; loam; moderate fine granular structure; friable, slightly sticky, slightly plastic; 21.0 very fine roots and 0.5 fine and medium roots; 21.0 very fine interstitial pores; fragments; neutral, pH 6.8, bromthymol blue; clear smooth boundary. Lab sample # 67C00539
    B1—30 to 41 centimeters (11.8 to 16.1 inches); grayish brown (10YR 5/2), dark brown (10YR 3/3) and very dark grayish brown (10YR 3/2), moist; loam; moderate fine subangular blocky structure; friable, moderately sticky, moderately plastic; 21.0 very fine roots and 0.5 fine and medium roots; 21.0 very fine interstitial pores; fragments; neutral, pH 7.0, bromthymol blue; clear smooth boundary. Lab sample # 67C00540
    B21t—41 to 58 centimeters (16.1 to 22.8 inches); grayish brown (10YR 5/2), dark brown (10YR 3/3) crushed and dark yellowish brown (10YR 4/4) crushed, moist; clay loam; moderate fine and medium angular blocky structure; firm, moderately sticky, moderately plastic; 21.0 very fine roots and 0.5 fine and medium roots; 21.0 very fine tubular pores; 30 percent faint clay films on faces of peds and in pores; fragments; neutral, pH 7.0, bromthymol blue; gradual smooth boundary. Lab sample # 67C00541
    B22t—58 to 81 centimeters (22.8 to 31.9 inches); brown (10YR 5/3), dark yellowish brown (10YR 3/4) crushed and dark yellowish brown (10YR 4/4) crushed, moist; clay loam; moderate fine and medium angular blocky structure; firm, moderately sticky, moderately plastic; 21.0 very fine roots; 21.0 very fine tubular pores; 75 percent distinct clay films on faces of peds and in pores; fragments; neutral, pH 7.2, bromthymol blue; abrupt smooth boundary. Lab sample # 67C00542. sampled for engineering soil tests
    C1sim—81 to 97 centimeters (31.9 to 38.2 inches);, yellowish brown (10YR 5/4), moist; indurated; fragments; slightly alkaline, pH 7.4, bromthymol blue; clear wavy boundary. Lab sample # 67C00543
    C2sim—97 to 130 centimeters (38.2 to 51.2 inches);, yellowish brown (10YR 5/4), moist; strongly cemented; fragments; slightly alkaline, pH 7.6, bromthymol blue; gradual wavy boundary. Lab sample # 67C00544
    C3sim—130 to 147 centimeters (51.2 to 57.9 inches);, yellowish brown (10YR 5/4), moist; weakly cemented; fragments; slightly alkaline, pH 7.6, bromthymol blue. Lab sample # 67C00545