IDENTIFIERS

  • Current Taxon Name (Soil Name): Alstown
  • OSD
  • Series Extent
  • User Site ID: S1990WA017010
  • User Pedon ID: 90WA017010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 90P1018
  • NCSS Pedon Lab Data NASIS Record ID - 62951
  • Print Date: 11/23/2024

    • 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: 47.5536118
  • Std. Longitude: -119.8327789
  • Datum: WGS84
  • Township: 24N
  • Range: 24E
  • Section: 29
  • PLSS Details: NE 1/4 of NE 1/4, 100 feet S and 75 feet W of the NE corner
  • State: Washington
  • County: WA017—Douglas

    • PEDON

  • Current Taxonomic Class: Coarse-silty, mixed, superactive, mesic Argiduridic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - Alstown
  • Classificaton Date - 7/11/2007
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Alstown
  • Taxonomic Class - Coarse-silty, mixed, mesic Durargidic Argixeroll
  • Taxon Kind - series
  • Classificaton Date - 8/1/1990
  • Moisture Class - xeric
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1990 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    2

    —

    —

    672

    —

    225

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; silt loam; moderate fine and medium subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 5.5 very fine roots and 0.5 fine roots; 2.5 very fine tubular and 0.5 very fine interstitial pores; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 90P06240. few fine roots; many very fine roots
    BA—18 to 33 centimeters (7.1 to 13.0 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; silt loam; moderate coarse subangular blocky, and moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots and 0.5 fine roots; 2.5 very fine tubular and 0.5 fine tubular pores; fragments; neutral, pH 7.0, hellige-truog; abrupt wavy boundary. Lab sample # 90P06241. few fine roots; common very fine roots
    Bt1—33 to 66 centimeters (13.0 to 26.0 inches); brown (10YR 5/3), brown (10YR 4/3), moist; silt loam; moderate coarse prismatic structure; hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots; 5.5 very fine tubular and 0.5 fine tubular pores; fragments; neutral, pH 7.2, hellige-truog; clear wavy boundary. Lab sample # 90P06242. common very fine roots
    Bt2—66 to 81 centimeters (26.0 to 31.9 inches); brown (10YR 5/3), brown (10YR 4/3), moist; silt loam; moderate medium prismatic structure; hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots; 2.5 very fine tubular and 0.5 fine tubular pores; 15 percent faint clay films on faces of peds; fragments; neutral, pH 7.2, hellige-truog; abrupt wavy boundary. Lab sample # 90P06243. few clay films surface features on faces of peds; common very fine roots
    2Bkq1—81 to 97 centimeters (31.9 to 38.2 inches); brown (10YR 5/3), brown (10YR 4/3), moist; very gravelly loam; massive; hard, very firm, nonsticky, nonplastic; 2.5 very fine tubular pores; 15 percent faint yellowish brown (10YR 5/4) clay films on faces of peds and in pores; fragments; strong effervescence; slightly alkaline, pH 7.7, hellige-truog; clear wavy boundary. Lab sample # 90P06244. appears to have been an argillic horizon that was subsequently overcome and cemented by silica and CaCO3; few clay films surface features on faces of peds and in pores
    2Bkq2—97 to 114 centimeters (38.2 to 44.9 inches); brown (10YR 5/3), brown (10YR 4/3), moist; loam; massive; very hard, very firm, nonsticky, nonplastic; 2.5 very fine tubular pores; 37 percent faint clay films on faces of peds and in pores; fragments; violent effervescence; moderately alkaline, pH 8.2, hellige-truog; abrupt wavy boundary. Lab sample # 90P06245. appears to have been an argillic horizon that was subsequently overcome and cemented by silica and CaCO3; has a fine, very thin white silica and CaCO3 vertical laminar cap on outside and ends of some cicada casts; common clay films surface features on faces of peds and in pores
    2Bk—114 to 122 centimeters (44.9 to 48.0 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2), moist; silt loam; weak fine prismatic, and moderate medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 5.5 very fine tubular pores; fragments; strong effervescence; moderately alkaline, pH 8.1, hellige-truog; abrupt wavy boundary. Lab sample # 90P06246. horizon did not slope immediately but was sloped after two hours
    3Bk—122 to 155 centimeters (48.0 to 61.0 inches); brown (10YR 5/3), brown (10YR 4/3), moist; silt loam; moderate coarse prismatic structure; slightly hard, friable, nonsticky, nonplastic; 5.5 very fine tubular and 0.5 fine tubular pores; fragments; strong effervescence; strongly alkaline, pH 8.6, hellige-truog. Lab sample # 90P06247. so full of pores that it feels light; it appears to represent wetter period before past and present drier periods; it may be an old buried A or Bt horizon