IDENTIFIERS

  • Current Taxon Name (Soil Name): Atascosa
  • OSD
  • Series Extent
  • User Site ID: S1969AZ003017
  • User Pedon ID: S1969AZ003017
  • Vegetation Plot ID: S1969AZ003017
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 69C0163
  • NCSS Pedon Lab Data NASIS Record ID - 43736
  • Print Date: 11/21/2024

    • 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: 32.1697235
  • Std. Longitude: -109.5888901
  • Datum: WGS84
  • Township: 14S
  • Range: 27E
  • Section: 33
  • PLSS Details: 1,200 feet west and 400 feet north of the southeast corner
  • Location Description: Near State Highway 186 about 15 miles east and 5 miles south of Cochise.
  • State: Arizona
  • County: AZ003—Cochise

    • PEDON

  • Describers Name: D. Richmond, H. Havens, K. Dunstan
  • Current Taxonomic Class: Loamy, mixed, superactive, thermic, shallow Aridic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 17
  • Correlated Information:
  • Soil Name - Atascosa
  • Classificaton Date - 2/1/2010
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Barkerville
  • Classificaton Date - 10/17/1969
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: hill
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/17/1969 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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

    ARIST

    ARIST

    BOBA3

    BOGR2

    BOGR2

    ISTE2

    LEDU

    LEDU

    OPUNT

    OPUNT

    Aristida

    Aristida

    Bothriochloa barbinodis

    Bouteloua gracilis

    Bouteloua gracilis

    Isocoma tenuisecta

    Leptochloa dubia

    Leptochloa dubia

    Opuntia

    Opuntia

    threeawn

    threeawn

    cane bluestem

    blue grama

    blue grama

    burroweed

    green sprangletop

    green sprangletop

    pricklypear

    pricklypear

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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

    13

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    1631

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    180

    356

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    13.9

    23.3

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    A1—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; gravelly sandy loam; weak fine subangular blocky structure; slightly hard, friable, nonsticky, slightly plastic; 21.0 fine and medium roots; 0.5 fine tubular pores; 45 percent by volume angular 2-39-75 millimeter unspecified fragments; 6.5 Bromthymol blue; noneffervescent; slightly acid, pH 6.5, hellige-truog; abrupt wavy boundary. Lab sample # 69C00849; dry when described;. 40 to 50 percent surface cover of 2 to 30 mm angular granitic gravel, occasional granitic rock outcrop; about 30 percent by volume of 2 to 10 mm angular granitic gravel
    B2T—8 to 23 centimeters (3.1 to 9.1 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; gravelly sandy loam; moderate fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 fine and medium roots; 3.0 fine tubular and 0.5 coarse tubular pores; 20 percent by volume angular 2-39-75 millimeter unspecified fragments; 6.5 Bromthymol blue; noneffervescent; slightly acid, pH 6.5, hellige-truog; abrupt irregular boundary. Lab sample # 69C00850; dry when described;. about 15 to 20 percent by volume of 2 to 10 mm angular granitic gravel
    C—23 to 97 centimeters (9.1 to 38.2 inches); reddish yellow (5YR 6/6) and dark grayish brown (10YR 4/2) and white (10YR 8/1), light gray (10YR 7/1) and very dark grayish brown (10YR 3/2) and yellowish red (5YR 5/6), moist; massive; very hard, firm, nonsticky, nonplastic; 21.0 fine and medium roots; dark grayish brown (10YR 4/2) carbonate coats on rock fragments and 10 percent reddish yellow (7.5YR 6/8) clay films on rock fragments; fragments; 6.5 Bromthymol blue; noneffervescent; slightly acid, pH 6.5, hellige-truog. Lab sample # 69C00851; dry when described;. tongues of dark grayish brown gravelly sandy loam in seams and joints of original bedrock extending 30 inches; many fine and medium roots in seams and tongues; few thin reddish yellow clay films and dark grayish brown coatings on rock faces