IDENTIFIERS

  • Current Taxon Name (Soil Name): Downer
  • OSD
  • Series Extent
  • User Site ID: S1983MD019001
  • User Pedon ID: S1983MD019001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0008
  • NCSS Pedon Lab Data NASIS Record ID - 53702
  • 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: 38.6722221
  • Std. Longitude: -75.8638916
  • Datum: WGS84
  • Location Description: 1.5 mi. NW of Williamsburg and .75 mi. NE of junction of Gravel Branch Rd. and Bobtown Rd. 50 yards W of Bobtown Rd
  • Map Unit: FmB—Fort Mott loamy sand, 2 to 5 percent slopes
  • Country: US—United States
  • State: Maryland
  • County: MD019—Dorchester
  • MLRA: 153D—Northern Tidewater Area
  • Regional Office: SE—Southeast
  • MLRA Soil Survey Area: NE-HAM—Hammonton, New Jersey
  • Non-MLRA Soil Survey Area: MD019—Dorchester County, Maryland
  • 7.5 Minute USGS Quad: 38075-F7—Federalsburg, Maryland
  • PEDON

  • Describers Name: J. Brewer
  • Current Taxonomic Class: Coarse-loamy, mixed, semiactive, mesic Typic Hapludults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Downer
  • PSC - 25 to 75 cm.
  • Classificaton Date - 4/13/2016
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Snd
  • Classificaton Date - 9/1/1983
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1


  • SITE

  • Landscape: coastal plain
  • Landform: rise
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1983 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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

    argillic horizon

    0—25

    25—89

    —-

    —-

    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

    Ap—0 to 25 centimeters (0.0 to 9.8 inches); dark yellowish brown (10YR 4/4) interior sandy loam; 15 percent clay; strong fine granular structure; friable, slightly sticky, slightly plastic; 2.5 very fine roots and 0.5 fine and medium roots; 2.5 fine tubular pores; fragments; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 84P00043. common very fine roots; few fine and medium roots
    Bt1—25 to 61 centimeters (9.8 to 24.0 inches); strong brown (7.5YR 5/6) interior sandy loam; 19 percent clay; moderate medium subangular blocky structure; very friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 2.5 very fine and fine tubular pores; 37 percent , moist, clay films on faces of peds and 37 percent , moist, clay films between sand grains; 15 percent by volume 2-39-75 millimeter mixed fragments; slightly acid, pH 6.5, hellige-truog; clear irregular boundary. Lab sample # 84P00044. common clay films surface features on faces of peds; common clay films surface features between sand grains; few very fine and fine roots
    Bt2—61 to 89 centimeters (24.0 to 35.0 inches); strong brown (7.5YR 5/8) interior sandy clay loam; 21 percent clay; weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 0.5 very fine and fine tubular pores; 37 percent , moist, clay films on faces of peds and 37 percent , moist, clay films between sand grains; fragments; very strongly acid, pH 4.5, hellige-truog; clear irregular boundary. Lab sample # 84P00045. common clay films surface features on faces of peds; common clay films surface features between sand grains; few very fine and fine roots
    BC—89 to 122 centimeters (35.0 to 48.0 inches); strong brown (7.5YR 5/8) interior loamy sand; 9 percent clay; weak medium subangular blocky structure; very friable, slightly sticky, slightly plastic; 0.5 very fine roots; 2.5 very fine and fine interstitial pores; 15 percent , moist, clay films between sand grains; fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # 84P00046. few clay films surface features between sand grains; few very fine roots
    C1—122 to 150 centimeters (48.0 to 59.1 inches); strong brown (7.5YR 5/8) interior loamy fine sand; 6 percent clay; massive; very friable, nonsticky, nonplastic; 0.5 very fine and fine interstitial pores; fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # 84P00047
    C2—150 to 168 centimeters (59.1 to 66.1 inches); yellowish brown (10YR 5/8) interior loamy fine sand; 6 percent clay; 11 percent light brownish gray (10YR 6/2) fine prominent and 30 percent light gray (10YR 7/2) medium prominent mottles; massive; very friable, nonsticky, nonplastic; 0.5 very fine interstitial pores; fragments; very strongly acid, pH 5.0, hellige-truog. Lab sample # 84P00048. common fine prominent 10YR62 mottles; many medium prominent 10YR72 mottles