IDENTIFIERS

  • Current Taxon Name (Soil Name): Calgro
  • OSD
  • Series Extent
  • User Site ID: S1960CA005021
  • User Pedon ID: S1960CA005021
  • Vegetation Plot ID: S1960CA005021
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2987
  • NCSS Pedon Lab Data NASIS Record ID - 38116
  • Print Date: 6/2/2024
  • 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: 38.2994461
  • Std. Longitude: -120.9863892
  • Datum: WGS84
  • Township: 5N
  • Range: 9E
  • Section: 9
  • PLSS Details: Arroyo Seco Land Grant (section lines projected) 0.2 mile N of the center of the SE1/4
  • Location Description: 100 feet SE of Highway 88, 0.6 mile SW of Jackson Creek bridge on Highway 88, on Orr Ranch.
  • State: California
  • County: CA005—Amador
  • MLRA: 18—Sierra Nevada Foothills
  • Non-MLRA Soil Survey Area: CA628—Amador Area, California
  • PEDON

  • Describers Name: Jack McClelland
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, thermic Typic Durochrepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 21
  • Correlated Information:
  • Soil Name - Calgro
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/23/2007
  • Sampled As Information:
  • Soil Name - Pentz
  • Classificaton Date - 6/1/1960
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: foothills
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1960 (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

    LUPIN

    Lupinus

    lupine

    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

    5

    67

    225

    498

    16.1

    31.1

    7.8

    A11—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; sandy loam; massive; slightly hard, friable, nonsticky, nonplastic; 21.0 very fine roots; 21.0 very fine interstitial and tubular pores; fragments; slightly acid, pH 6.2, unspecified; clear smooth boundary. Lab sample # 40A23509
    A12—13 to 25 centimeters (5.1 to 9.8 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; sandy loam; massive; slightly hard, friable, nonsticky, nonplastic; 21.0 very fine roots; 21.0 very fine interstitial and tubular pores; fragments; moderately acid, pH 6.0, bromthymol blue; clear smooth boundary. Lab sample # 40A23510
    C1—25 to 48 centimeters (9.8 to 18.9 inches); brown (10YR 5/3), light brownish gray (10YR 6/2), dry; sandy loam; massive; slightly hard, friable, nonsticky, nonplastic; 21.0 very fine roots; 21.0 very fine interstitial and tubular and 21.0 fine tubular pores; fragments; strongly acid, pH 5.5, unspecified; abrupt smooth boundary. Lab sample # 40A23511. discontinuous hard-pan layer near the upper boundary which varies from 1 to 3 inches thick.
    2C2M—48 to 56 centimeters (18.9 to 22.0 inches); brown (10YR 5/3), very pale brown (10YR 7/3), dry; extremely hard; 1.0 very fine roots; fragments; abrupt smooth boundary. Lab sample # 40A23512. few very fine roots along cleavage planes; occasional fine crack.
    3C3—56 to 71 centimeters (22.0 to 28.0 inches); grayish brown (10YR 5/2), light gray (10YR 7/2), dry; loamy sand; massive; slightly hard, friable, nonsticky, nonplastic; 1.0 very fine roots; 1.0 very fine tubular and 21.0 very fine interstitial pores; fragments; strongly acid, pH 5.5, unspecified; abrupt smooth boundary. Lab sample # 40A23513. indurated discontinuous hardpan lenses (0 to 3).
    3C4—71 to 117 centimeters (28.0 to 46.1 inches); olive (5Y 5/3), light gray (5Y 7/2), dry; loamy sand; slightly hard, firm, nonsticky, nonplastic; 0.0 roots; 21.0 very fine low-continuity interstitial pores; fragments; very strongly acid, pH 5.0, unspecified. Lab sample # 40A23514. Light gray (5Y 7/2) loamy sand between a succession of hardpan layers 0-4 inch thick, the upper surfaces of which are coated with silica and the lower portions relatively uncemented, olive (5Y 5/3) when moist with yellowish brown (10YR 5/4 -5/6) staining in lower portions of hardpan layers; indurated in upper hardpan lenses.