IDENTIFIERS

  • Current Taxon Name (Soil Name): Cole
  • OSD
  • Series Extent
  • Local Phase: silty clay loam
  • User Site ID: 83CA045016
  • User Pedon ID: 83CA045016
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - LIMS
  • Lab Pedon # - 84P0150
  • NCSS Pedon Lab Data NASIS Record ID - 53844
  • Print Date: 2/17/2025

    • 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: 39.3253611
  • Std. Longitude: -123.1249444
  • Datum: WGS84
  • Map Unit: 115—Cole silty clay loam, 0 to 1 percent slopes, MLRA 14
  • State: California
  • County: CA045—Mendocino
  • MLRA: 14—Central California Coastal Valleys
  • Regional Office: SW—Southwest
  • MLRA Soil Survey Area: SW-EUR—Eureka, California
  • Non-MLRA Soil Survey Area: CA687—Mendocino County, Eastern Part and Southwestern Part of Trinity County, California

    • PEDON

  • Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Aquic Haploxerolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Sampled As Information:
  • Soil Name - Cole
  • Taxonomic Class - Fine, mixed, thermic Pachic Argixerolls
  • Taxon Kind - series
  • PSC - 20 to 70 cm.
  • Classificaton Date - 1/1/1983
  • Classifier - Rich Howard
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from sedimentary rock
  • Landform: alluvial fan
  • Geomorphic Component Terraces: tread
  • Hill Slope Profile: toeslope
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: somewhat poorly
  • Flooding: rare flooding for brief periods begining in dec
  • Ponding: rare ponding for very brief periods begining in dec
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/15/2014 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    aquic conditions

    redox depletions with chroma 2 or less

    redox concentrations

    0—69

    69—104

    69—152

    69—152

    69—152

    —69—

    —35—

    —83—

    —83—

    —83—
    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

    0

    —

    —

    298

    —

    1038

    —

    —

    14.4

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark grayish brown (10YR 4/2), very dark brown (10YR 2/2), moist; silty clay loam; strong very fine granular, and strong fine granular structure; slightly hard, firm, slightly sticky, moderately plastic; many (5.0) very fine roots and many (5.0) fine roots; many (5.0) very fine tubular and many (5.0) very fine irregular and many (5.0) medium irregular and many (5.0) fine tubular and many (5.0) fine irregular pores; 5 percent by volume indurated 2-3-5 millimeter sedimentary, unspecified fragments; noneffervescent; neutral, pH 6.8; clear smooth boundary. Lab sample # 84P00760
    Bt1—20 to 38 centimeters (7.9 to 15.0 inches); dark gray (10YR 4/1), black (10YR 2/1), moist; silty clay loam; moderate medium subangular blocky parts to strong very fine subangular blocky, and moderate medium subangular blocky parts to strong fine subangular blocky structure; hard, firm, moderately sticky, moderately plastic; common (3.0) very fine roots and common (3.0) fine roots; common (3.0) very fine tubular and many (5.0) very fine irregular and common (3.0) fine tubular and many (5.0) fine irregular pores; 10 percent faint clay films on all faces of peds; 10 percent by volume indurated 2-3-5 millimeter sedimentary, unspecified fragments; noneffervescent; neutral, pH 7.0; gradual smooth boundary. Lab sample # 84P00761
    Bt2—38 to 69 centimeters (15.0 to 27.2 inches); dark grayish brown (10YR 4/2), black (10YR 2/1), moist; clay loam; moderate medium subangular blocky parts to moderate very fine subangular blocky, and moderate medium subangular blocky parts to moderate fine subangular blocky structure; very hard, firm, moderately sticky, very plastic; common (3.0) very fine roots and common (3.0) fine roots; common (3.0) very fine irregular and common (3.0) fine tubular and common (3.0) fine irregular pores; 10 percent faint clay films on all faces of peds; 5 percent by volume indurated 5-10-25 millimeter sedimentary, unspecified fragments and 9 percent by volume indurated 2-3-5 millimeter sedimentary, unspecified fragments; noneffervescent; neutral, pH 7.2; gradual smooth boundary. Lab sample # 84P00762
    Bt3—69 to 104 centimeters (27.2 to 40.9 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; loam; moderate fine subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; few (0.5) very fine roots and few (0.5) fine roots; common (3.0) very fine irregular and common (3.0) fine tubular and common (3.0) fine irregular pores; 10 percent distinct clay films on surfaces along pores and 30 percent faint clay films on all faces of peds; 10 percent fine prominent noncoherent cemented dark gray (N 4/), moist, and gray (N 6/), dry, iron depletions and 10 percent fine distinct noncoherent cemented strong brown (7.5YR 4/6), moist, and reddish yellow (7.5YR 6/6), dry, masses of oxidized iron; 14 percent by volume indurated 2-5-25 millimeter sedimentary, unspecified fragments; noneffervescent; slightly alkaline, pH 7.5; clear smooth boundary. Lab sample # 84P00763
    C—104 to 152 centimeters (40.9 to 59.8 inches); grayish brown (10YR 5/2), brown (10YR 4/3), moist; loam; structureless massive; very hard, very firm, slightly sticky, slightly plastic; few (0.5) very fine roots; few (0.8) very fine irregular pores; 25 percent fine prominent noncoherent cemented dark gray (N 4/), moist, and gray (N 5/), dry, iron depletions and 25 percent fine distinct noncoherent cemented strong brown (7.5YR 4/6), moist, and strong brown (7.5YR 5/8), dry, masses of oxidized iron; 14 percent by volume indurated 2-3-5 millimeter sedimentary, unspecified fragments; noneffervescent; slightly alkaline, pH 7.8. Lab sample # 84P00764