IDENTIFIERS

  • Current Taxon Name (Soil Name): Whitemarsh
  • OSD
  • Series Extent
  • User Site ID: S1992MD035025
  • User Pedon ID: 92MD035025
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0454
  • NCSS Pedon Lab Data NASIS Record ID - 65797
  • 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: 39.0798073
  • Std. Longitude: -76.0176086
  • Datum: WGS84
  • Location Description: Approximately 250 feet west of Brick Schoolhouse Road, in woods, approximately one mile north along Brick Schoolhouse Road from its intersection with White Marsh Road.
  • Map Unit: WhA—Whitemarsh silt loam, 0 to 2 percent slopes
  • State: Maryland
  • County: MD035—Queen Anne's
  • MLRA: 153C—Mid-Atlantic Coastal Plain
  • Regional Office: SE—Southeast
  • MLRA Soil Survey Area: NE-HAM—Hammonton, New Jersey
  • Non-MLRA Soil Survey Area: MD035—Queen Anne's County, Maryland
  • 7.5 Minute USGS Quad: 39076-A1—Centreville, Maryland
  • PEDON

  • Describers Name: D. Shields
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Typic Albaquults
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 25
  • Correlated Information:
  • Soil Name - Whitemarsh (flagged as OSD)
  • PSC - 25 to 76 cm.
  • Classificaton Date - 2/5/2013
  • Classifier - Susan Demas
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Elkton
  • Classificaton Date - 9/10/1992
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: yes
  • Certification Status: certified
  • QC Status: level 1


  • SITE

  • Parent Material: silty eolian deposits and/or fluviomarine deposits
  • Landscape: coastal plain
  • Landform: flat, swale, depression
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/10/1992 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—30

    30—93

    —-

    —-

    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

    20

    Oi—0 to 2 centimeters (0.0 to 0.8 inches); peat; fragments. Lab sample # 93P03417. No sample.
    Oe—2 to 5 centimeters (0.8 to 2.0 inches); mucky peat; fragments. No sample.
    Ag—5 to 10 centimeters (2.0 to 3.9 inches); very dark grayish brown (10YR 3/2) silt loam; weak fine granular structure; very friable, slightly sticky, slightly plastic; 3.0 fine and medium roots throughout and 0.5 coarse roots throughout; 0.5 very fine tubular pores; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. No sample.
    Eg1—10 to 20 centimeters (3.9 to 7.9 inches); light brownish gray (10YR 6/2) silt; 1 percent yellowish brown (10YR 5/6) medium distinct mottles; weak fine subangular blocky structure; very friable, slightly sticky, slightly plastic; 0.5 fine to coarse roots; 0.5 very fine tubular pores; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 93P03417
    Eg2—20 to 30 centimeters (7.9 to 11.8 inches); light gray (10YR 7/1) silt; 1 percent yellowish brown (10YR 5/6) medium distinct mottles; weak medium subangular blocky structure; firm, slightly sticky, slightly plastic; 0.5 medium and coarse roots; 0.5 very fine tubular pores; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # 93P03417
    B1—30 to 60 centimeters (11.8 to 23.6 inches); gray (10YR 6/1) silty clay loam; 1 percent light gray (10YR 7/1) fine and medium faint and 3 percent yellowish brown (10YR 5/6) fine and medium distinct mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; very firm, slightly sticky, moderately plastic; 3.0 very fine and fine roots in cracks; 0.5 fine and medium tubular pores; 30 percent prominent grayish brown (10YR 5/2) clay films on faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 93P03418
    Btg2—60 to 93 centimeters (23.6 to 36.6 inches); light brownish gray (2.5Y 6/2) silt loam; strong brown (7.5YR 5/8) and 3 percent strong brown (7.5YR 4/6) fine and medium prominent mottles; weak coarse prismatic parts to moderate fine platy structure; very firm, moderately sticky, moderately plastic; 0.5 fine and medium roots in cracks; 0.5 fine tubular pores; 30 percent distinct clay films on faces of peds and in pores; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 93P03419
    Btg3—93 to 138 centimeters (36.6 to 54.3 inches); gray (10YR 6/1) silt loam; 1 percent strong brown (7.5YR 5/8) medium prominent and 3 percent yellowish brown (10YR 5/4) medium distinct mottles; weak coarse prismatic parts to moderate medium platy structure; firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots between peds; 3.0 very fine and fine tubular pores; 10 percent faint clay films on faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # 93P03420
    BCg—138 to 155 centimeters (54.3 to 61.0 inches); light brownish gray (10YR 6/2) silt loam; 1 percent yellowish brown (10YR 5/6) medium distinct and 1 percent strong brown (7.5YR 5/8) fine prominent mottles; weak coarse subangular blocky structure; friable, slightly sticky, slightly plastic; 0.5 fine roots in cracks; 3.0 very fine and fine tubular and 0.5 medium tubular pores; fragments; strongly acid, pH 5.3, hellige-truog; clear wavy boundary. Lab sample # 93P03421
    Cg—155 to 185 centimeters (61.0 to 72.8 inches); light brownish gray (2.5Y 6/2) silt loam; yellowish brown (10YR 5/6) and 1 percent gray (10YR 6/1) medium distinct and 1 percent strong brown (7.5YR 4/6) medium prominent mottles; massive; firm, moderately sticky, moderately plastic; 0.5 very fine and fine tubular pores; 3 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.3, hellige-truog. Lab sample # 93P03422