IDENTIFIERS

  • Current Taxon Name (Soil Name): Purgatory
  • OSD
  • Series Extent
  • User Site ID: S1977AZ017005
  • User Pedon ID: 77AZ017005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A0683
  • NCSS Pedon Lab Data NASIS Record ID - 33747
  • Print Date: 4/22/2025

    • 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: 34.8694458
  • Std. Longitude: -110.0755539
  • Datum: WGS84
  • Township: 17N
  • Range: 21E
  • Section: 14
  • PLSS Details: Site is in SE 1/4 of NE 1/4
  • Location Description: Navajo County, AZ. SE of Holbrook on Woodruff road.
  • State: Arizona
  • County: AZ017—Navajo
  • MLRA: 35—Colorado Plateau

    • PEDON

  • Describers Name: D. Ames and D. Richmond
  • Current Taxonomic Class: Fine, gypsic, mesic Leptic Haplogypsids
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Purgatory
  • PSC - 25 to 58 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Purgatory T
  • Classificaton Date - 5/1/1977
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: plateaus or tablelands
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1977 (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
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    gypsic horizon

    0—3

    3—79

    —-

    —-
    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

    3

    —

    —

    1591

    —

    315

    231

    —

    —

    11

    17

    4

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 3 centimeters (0.0 to 1.2 inches); light brown (7.5YR 6/4) interior, brown (7.5YR 5/4) interior, moist; sandy loam; moderate fine platy structure; slightly hard, very friable; 5.5 very fine roots; 5.5 very fine vesicular pores; fragments; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary. Lab sample # 40A05077. 40A5077; many very fine roots
    By—3 to 36 centimeters (1.2 to 14.2 inches); pink (5YR 8/4) interior, light reddish brown (5YR 6/4) interior, moist; sandy loam; weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; 5.5 very fine roots; 5.5 very fine and fine tubular pores; 30 percent fine gypsum crystals, unspecified and 30 percent fine gypsum masses; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.2, hellige-truog; abrupt wavy boundary. Lab sample # 40A05078. 40A5078; many fine gypsum crystals concentrations; many fine masses of gypsum concentrations; many very fine roots; effervescence is continuous
    By2—36 to 58 centimeters (14.2 to 22.8 inches); reddish brown (5YR 5/4) interior, reddish brown (5YR 4/4) interior, moist; clay loam; weak fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 30 percent medium and coarse gypsum crystals, unspecified; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 40A05079. 40A5079; many medium and coarse gypsum crystals concentrations; effervescence is continuous
    BCy—58 to 79 centimeters (22.8 to 31.1 inches); reddish brown (5YR 5/4) interior, reddish brown (5YR 4/4) interior, moist; clay loam; moderate thick platy structure; hard, firm, slightly sticky, slightly plastic; 30 percent medium gypsum crystals, unspecified; fragments; strong effervescence, by hcl, unspecified; strongly alkaline, pH 8.8, hellige-truog; clear wavy boundary. Lab sample # 40A05080. 40A5080; many medium gypsum crystals concentrations; effervescence is continuous
    Cr—79 to 117 centimeters (31.1 to 46.1 inches); reddish brown (2.5YR 4/4) interior, dark reddish brown (2.5YR 3/4) interior, moist; clay; moderate thin platy structure; very hard, firm; 11 percent gypsum crystals, unspecified; fragments; slight effervescence, by hcl, unspecified; strongly alkaline, pH 8.8, hellige-truog; abrupt smooth boundary. Lab sample # 40A05081. 40A5081; common gypsum crystals concentrations; effervescence is continuous
    Cr—117 to 142 centimeters (46.1 to 55.9 inches); light greenish gray (5GY 7/1) interior, greenish gray (5GY 5/1) interior, moist; moderate thin platy structure; very hard, firm; 11 percent fine gypsum crystals, unspecified; fragments; strong effervescence, by hcl, unspecified; strongly alkaline, pH 8.8, hellige-truog; clear wavy boundary. Lab sample # 40A05082. 40A5082; common fine gypsum crystals concentrations; effervescence is continuous
    Cr—142 to 160 centimeters (55.9 to 63.0 inches); reddish brown (2.5YR 4/4) interior, dark reddish brown (2.5YR 3/4) interior, moist; sand; very hard; fragments; slight effervescence, by hcl, unspecified. Lab sample # 40A05083. 40A5083; effervescence is continuous