IDENTIFIERS

  • Current Taxon Name (Soil Name): Lehmans
  • OSD
  • Series Extent
  • User Site ID: S1969AZ019004
  • User Pedon ID: S1969AZ019004
  • Vegetation Plot ID: S1969AZ019004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 69C0205
  • NCSS Pedon Lab Data NASIS Record ID - 43778
  • Print Date: 11/24/2024

    • 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: 32.1769447
  • Std. Longitude: -111.0336075
  • Datum: WGS84
  • Township: 14S
  • Range: 13E
  • Section: 32
  • PLSS Details: 1,500 feet west and 150 feet south of northeast corner
  • Location Description: about 4 miles west of junction of Ajo Road and I-10 in Tucson.
  • State: Arizona
  • County: AZ019—Pima

    • PEDON

  • Describers Name: Y. H. Havens and D. M. Hendricks
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 4
  • Sampled As Information:
  • Soil Name - Lehmans
  • Taxonomic Class - Clayey-skeletal, mixed Lithic Haplargids
  • Classificaton Date - 10/2/1969
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: hill
  • Drainage Class: well
  • Bedrock: rhyolite at 13cm
  • Surface Fragments: 60.00 percent 2- to 250-millimeter 3.00 percent 250- to 600-millimeter
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/2/1969 (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

    AGSM

    BORE2

    CAER

    KRER

    PARKI2

    PARKI2

    SICH

    Agropyron smithii

    Bouteloua repens

    Calliandra eriophylla

    Krameria erecta

    Parkinsonia

    Parkinsonia

    Simmondsia chinensis

    —

    slender grama

    fairyduster

    littleleaf ratany

    paloverde

    paloverde

    jojoba

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    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

    10

    —

    —

    792

    —

    279

    —

    —

    20.6

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 4 centimeters (0.0 to 1.6 inches); brown (7.5YR 5/4), brown (7.5YR 4/2), moist; very gravelly loam; weak thick platy parts to weak fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; medium and coarse roots and 3.0 fine roots; 0.5 very fine tubular and 3.0 fine interstitial pores; 70 percent by volume 2-?-250 millimeter unspecified fragments; noneffervescent; neutral, pH 7.1, bromthymol blue; abrupt wavy boundary. Lab sample # 69C01093; dry when described;
    B2T—4 to 13 centimeters (1.6 to 5.1 inches); reddish brown (5YR 4/4), yellowish red (5YR 4/6), moist; very gravelly clay; moderate fine and medium subangular blocky, and angular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; medium and coarse roots and 21.0 fine roots; 0.5 fine interstitial and tubular pores; 30 percent clay films on faces of peds and in pores; 60 percent by volume 2-?-250 millimeter unspecified fragments; noneffervescent; slightly acid, pH 6.2, bromthymol blue; abrupt irregular boundary. Lab sample # 69C01094; dry when described;
    R—13 to 76 centimeters (5.1 to 29.9 inches); light gray (5YR 7/1) and very pale brown (10YR 8/2), reddish brown (5YR 4/4) and pinkish gray (5YR 6/2) and light gray (10YR 7/2), moist; bedrock; massive; extremely hard; medium and coarse roots and 21.0 fine roots; 30 percent clay films on rock fragments; fragments; noneffervescent. Lab sample # 69C01095; dry when described;