IDENTIFIERS

  • Current Taxon Name (Soil Name): BLACKHAWK
  • OSD
  • Series Extent
  • User Site ID: S1966NV027002
  • User Pedon ID: S1966NV027002
  • Vegetation Plot ID: S1966NV027002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3187
  • NCSS Pedon Lab Data NASIS Record ID - 38316
  • Print Date: 3/2/2025

    • 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: 40.6829491
  • Std. Longitude: -117.6820755
  • Datum: WGS84
  • Township: 32N
  • Range: 38E
  • Section: 4
  • PLSS Details: at a point 1,000 feet east and 200 feet south of the northeast corner
  • Location Description: The site is located about 21 miles south of Winnemucca in Grass Valley, Mount Diablo base line and meridian.
  • State: Nevada
  • County: NV027—Pershing
  • MLRA: 24—Humboldt Basin and Range Area
  • Non-MLRA Soil Survey Area: NV769—Pershing County, Nevada, East Part

    • PEDON

  • Describers Name: L. Langan
  • Current Taxonomic Class: Loamy, mixed, mesic, shallow Entic Durorthids
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - BLACKHAWK
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/16/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Blackhawk
  • Classificaton Date - 5/11/1966
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: alluvial fan
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/11/1966 (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

    ATCO

    ATCO

    Atriplex confertifolia

    Atriplex confertifolia

    shadscale saltbush

    shadscale saltbush

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    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

    —

    —

    1359

    —

    152

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    —

    —

    —

    —

    10

    18.3

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    A1—0 to 1 centimeters (0.0 to 0.4 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2), moist; loam; massive; slightly hard, very friable, nonsticky, nonplastic; 0.5 very fine and fine roots; 0.5 fine and medium vesicular pores; fragments; noneffervescent; moderately alkaline, pH 8.1, thymol-blue; abrupt smooth boundary. Lab sample # 40A24924
    C1—1 to 10 centimeters (0.4 to 3.9 inches); light brownish gray (2.5Y 6/2), grayish brown (2.5Y 5/2), moist; loam; moderate coarse platy structure; soft, very friable, nonsticky, nonplastic; 0.5 very fine and fine roots; 21.0 very fine to medium vesicular pores; fragments; noneffervescent; moderately alkaline, pH 8.3, thymol-blue; abrupt smooth boundary. Lab sample # 40A24925
    C2si—10 to 30 centimeters (3.9 to 11.8 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; loam; moderate medium platy structure; hard, very friable, weakly coherent by silica, nonsticky, nonplastic; 21.0 very fine and fine roots and 0.5 medium roots; 21.0 very fine tubular pores; fragments; noneffervescent; moderately alkaline, pH 8.4, thymol-blue; abrupt smooth boundary. Lab sample # 40A24926
    IIC3si—30 to 46 centimeters (11.8 to 18.1 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; coarse sandy loam; moderate medium platy structure; hard, friable, weakly coherent by silica, nonsticky, nonplastic; 0.5 very fine roots and fine and medium roots; 21.0 very fine tubular pores; fragments; noneffervescent; strongly alkaline, pH 8.6, thymol-blue; abrupt smooth boundary. Lab sample # 40A24927
    IIC4sica—46 to 51 centimeters (18.1 to 20.1 inches); brown (10YR 5/3), brown (10YR 4/3), moist; moderate coarse platy structure; extremely hard, extremely firm*, weakly coherent by silica; 0.5 very fine roots and 21.0 very fine roots; 0.5 very fine tubular and 21.0 very fine tubular pores; fragments; noneffervescent; very strongly alkaline, pH 9.4, thymol-blue; abrupt smooth boundary. Lab sample # 40A24928
    IIC5sim—51 to 74 centimeters (20.1 to 29.1 inches); brown (10YR 5/3), dark grayish brown (10YR 4/2), moist; moderate thick platy structure; very hard, very firm, strongly coherent; 0.0 roots; 3.0 very fine interstitial and 0.5 very fine tubular pores; fragments; noneffervescent; moderately alkaline, pH 8.4, thymol-blue; abrupt smooth boundary. Lab sample # 40A24929
    IIC6—74 to 97 centimeters (29.1 to 38.2 inches);, brown (10YR 4/3), moist; coarse sandy loam; massive; slightly hard, friable, nonsticky, nonplastic; 0.0 roots; 21.0 very fine interstitial pores; fragments; noneffervescent; strongly alkaline, pH 8.5, thymol-blue; clear smooth boundary. Lab sample # 40A24930
    IIC7ca—97 to 122 centimeters (38.2 to 48.0 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2), moist; loam; 3 percent white (10YR 8/1) fine and medium distinct mottles; weak thick platy structure; slightly hard, friable, nonsticky, nonplastic; 0.0 roots; 21.0 very fine interstitial pores; fragments; noneffervescent; moderately alkaline, pH 8.0, thymol-blue; abrupt smooth boundary. Lab sample # 40A24931
    IIC8simb—122 centimeters (48.0 inches); fragments. Lab sample # 40A24932. a buried duripan that was not sampled, nor described.