IDENTIFIERS

  • Current Taxon Name (Soil Name): Christiana
  • OSD
  • Series Extent
  • User Site ID: S1994MD033002
  • User Pedon ID: S1994MD033002
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 95P0270
  • NCSS Pedon Lab Data NASIS Record ID - 67288
  • Print Date: 11/26/2024

    • 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: 39.0275002
  • Std. Longitude: -76.8347244
  • Datum: WGS84
  • Map Unit: RcB—Russett-Christiana complex, 2 to 5 percent slopes
  • State: Maryland
  • County: MD033—Prince George's
  • MLRA: 149A—Northern Coastal Plain
  • Regional Office: SE—Southeast
  • MLRA Soil Survey Area: NE-HAM—Hammonton, New Jersey
  • Non-MLRA Soil Survey Area: MD033—Prince George's County, Maryland
  • 7.5 Minute USGS Quad: 39076-A7—Laurel, Maryland

    • PEDON

  • Describers Name: Carl Robinette, Susan Davis, David Verdone
  • Current Taxonomic Class: Fine, kaolinitic, mesic Aquic Hapludults
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Christiana (flagged as OSD)
  • PSC - 25 to 75 cm.
  • Classificaton Date - 8/25/2018
  • Classifier - Daavid Verdone
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Christiana
  • Classificaton Date - 9/16/1994
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/16/1994 (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

    argillic horizon

    aquic conditions

    25—160

    53—457

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    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

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    L—0 to 0 centimeters (0.0 to 0.0 inches); fragments. Lab sample # 95P01806
    Oa—0 to 3 centimeters (0.0 to 1.2 inches); highly decomposed plant material; fragments. Lab sample # 95P01805
    Oi—0 to 5 centimeters (0.0 to 2.0 inches); slightly decomposed plant material; fragments. Lab sample # 95P01794
    A—5 to 8 centimeters (2.0 to 3.1 inches); very dark gray (2.5Y 3/1) silt loam; weak fine granular structure; friable; 21.0 fine and medium roots and 0.5 coarse roots; fragments; extremely acid, pH 4.0, hellige-truog; abrupt smooth boundary.
    E—8 to 15 centimeters (3.1 to 5.9 inches); yellowish brown (10YR 5/4) silt loam; weak thick platy parts to moderate medium subangular blocky structure; friable; 21.0 very fine roots and 3.0 medium roots and 0.5 coarse roots; 0.5 fine vesicular and tubular pores; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 95P01795
    B1—15 to 25 centimeters (5.9 to 9.8 inches); brownish yellow (10YR 6/6) silt loam; moderate medium subangular blocky structure; friable; 0.5 medium roots and 3.0 fine roots; 0.5 fine vesicular pores; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 95P01796
    Bt2—25 to 53 centimeters (9.8 to 20.9 inches); strong brown (7.5YR 5/6) silty clay loam; moderate fine and medium subangular blocky structure; firm; 0.5 very fine to medium roots; 21.0 fine vesicular and tubular pores; 75 percent clay films on faces of peds; 3 percent fine strong brown (7.5YR 5/8) iron-manganese masses and 3 percent fine pink (7.5YR 7/4) iron-manganese masses; fragments; extremely acid, pH 4.0, hellige-truog; clear smooth boundary. Lab sample # 95P01797
    Bt3—53 to 89 centimeters (20.9 to 35.0 inches); yellowish red (5YR 5/6) silty clay loam; 21 percent light gray (7.5YR 7/1) medium distinct mottles; moderate medium prismatic parts to strong coarse angular blocky structure; firm; 0.5 fine roots; 21.0 very fine vesicular and tubular pores; 75 percent distinct clay films on faces of peds; fragments; extremely acid, pH 4.0, hellige-truog; gradual wavy boundary. Lab sample # 95P01798
    Bt4—89 to 125 centimeters (35.0 to 49.2 inches); red (2.5YR 4/6) silty clay; 21 percent white (5YR 8/1) fine and medium prominent mottles; moderate very coarse prismatic parts to strong coarse angular blocky structure; very firm; 0.5 fine roots between peds; 0.5 very fine vesicular and tubular pores; 30 percent distinct yellowish red (5YR 5/6) clay films on faces of peds and 30 percent distinct light gray (7.5YR 7/1) clay films on faces of peds; fragments; extremely acid, pH 4.0, hellige-truog; gradual wavy boundary. Lab sample # 95P01799
    Bt5—125 to 160 centimeters (49.2 to 63.0 inches); reddish brown (5YR 5/4) clay loam; 3 percent light gray (10YR 7/2) medium prominent mottles; moderate very coarse prismatic parts to strong very coarse angular blocky structure; extremely firm*; 0.5 fine roots between peds; 30 percent reddish gray (2.5YR 5/1) clay films on faces of peds; 3 percent fine reddish yellow (7.5YR 6/8) iron-manganese masses; fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # 95P01800
    BC—160 to 251 centimeters (63.0 to 98.8 inches); yellowish brown (10YR 5/6) clay loam; 1 percent light gray (10YR 7/2) fine distinct mottles; moderate very coarse prismatic parts to strong very coarse angular blocky structure; extremely firm*; 30 percent yellowish red (5YR 5/6) clay films on faces of peds; 21 percent medium dark yellowish brown (10YR 4/6) iron-manganese masses; fragments. Lab sample # 95P01801
    C1—251 to 378 centimeters (98.8 to 148.8 inches); red (2.5YR 4/6) silty clay loam; 1 percent white (10YR 8/1) fine prominent mottles; extremely firm*; 1 percent medium yellowish brown (10YR 5/8) iron-manganese masses; fragments; very strongly acid, pH 4.8, hellige-truog; abrupt wavy boundary. Lab sample # 95P01802
    C2—378 to 401 centimeters (148.8 to 157.9 inches); red (10R 4/6) silty clay loam; 3 percent white (10YR 8/1) medium prominent mottles; extremely firm*; 1 percent fine yellow (10YR 7/8) iron-manganese masses; fragments; very strongly acid, pH 4.8, hellige-truog; abrupt wavy boundary. Lab sample # 95P01803
    C3—401 to 457 centimeters (157.9 to 179.9 inches); red (10R 4/6) silty clay; 1 percent white (10YR 8/1) fine prominent mottles; extremely firm*; 1 percent fine yellow (10YR 7/8) iron-manganese masses; fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # 95P01804