IDENTIFIERS

  • Current Taxon Name (Soil Name): Rockawalkin
  • OSD
  • Series Extent
  • User Site ID: S1996MD045002
  • User Pedon ID: 96MD045002
  • User Site Association ID: 8858
  • Transect:
  • User Transect ID - 16E
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 97P0569
  • NCSS Pedon Lab Data NASIS Record ID - 10250
  • 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: 38.3936119
  • Std. Longitude: -75.6594467
  • Datum: WGS84
  • Location Description: Bob Miller Home Farm; approx. 2.3 miles SE of Hebron; approx. 2,200 feet NW of the intersection of Levin Dashiell Rd. and Rockawalking Ridge Rd., 135 feet into field.
  • Map Unit: PrA—Pepperbox-Rockawalkin complex, 0 to 2 percent slopes
  • State: Maryland
  • County: MD045—Wicomico
  • MLRA: 153D—Northern Tidewater Area
  • Regional Office: SE—Southeast
  • MLRA Soil Survey Area: NE-HAM—Hammonton, New Jersey
  • Non-MLRA Soil Survey Area: MD045—Wicomico County, Maryland
  • 7.5 Minute USGS Quad: 38075-D6—Hebron, Maryland
  • PEDON

  • Describers Name: J. Brewer
  • Current Taxonomic Class: Loamy, mixed, semiactive, mesic Arenic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Rockawalkin
  • PSC - 53 to 104 cm.
  • Classificaton Date - 3/14/2013
  • Classifier - Susan Demas
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - ELLENDALE
  • Classificaton Date - 11/15/1996
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1


  • SITE

  • Parent Material: sandy eolian deposits over fluviomarine deposits
  • Landscape: coastal plain
  • Landform: flat
  • Geomorphic Component Hills: interfluve
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/15/1996 (actual site observation date)
  • Air Photo ID: 16
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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

    aquic conditions

    0—53

    53—107

    107—188

    —-

    —-

    —-

    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

    0

    13

    270

    1168

    13.9

    MD8005

    Salisbury (Airport)

    FAA AP

    Ap—0 to 36 centimeters (0.0 to 14.2 inches); 99 percent brown (10YR 4/3) broken face loamy sand; 7 percent clay; weak medium subangular blocky structure; very friable, slightly sticky, slightly plastic; deformable; 3.0 very fine and fine roots throughout; 1.0 very fine and fine moderate-continuity vesicular and tubular pores; fragments; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 97P03371. May be massive.
    E—36 to 53 centimeters (14.2 to 20.9 inches); 94 percent light yellowish brown (2.5Y 6/4) broken face and 6 percent light olive brown (2.5Y 5/3) broken face loamy sand; 7 percent clay; weak medium subangular blocky structure; very friable, nonsticky, nonplastic; deformable; 8.0 very fine and fine roots in cracks and 2.0 very fine and fine roots throughout; 1.0 very fine and fine low-continuity discontinuous tubular pores; fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # 97P03372
    Bt1—53 to 81 centimeters (20.9 to 31.9 inches); 57 percent light olive brown (2.5Y 5/4) broken face sandy loam; 11 percent clay; moderate medium subangular blocky structure; friable, slightly sticky, slightly plastic; deformable; 2.0 very fine and fine roots throughout; 3.0 very fine and fine moderate-continuity discontinuous tubular pores; 35 percent distinct brownish yellow (10YR 6/6), moist, clay films on faces of peds; 6 percent medium irregular noncoherent cemented yellowish brown (10YR 5/8) masses of oxidized iron throughout; 1 percent by volume , 1 percent by weight nonflat rounded indurated 2-4-5 millimeter quartzite fragments observed by weighed method and 1 percent by volume , 1 percent by weight nonflat rounded indurated 5-10-20 millimeter quartzite fragments; moderately acid, pH 6.0, hellige-truog; gradual wavy boundary. Lab sample # 97P03373
    Bt2—81 to 107 centimeters (31.9 to 42.1 inches); 50 percent light yellowish brown (2.5Y 6/4) broken face loamy sand; 9 percent clay; weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; deformable; 5.0 very fine and fine roots in cracks; 2.0 very fine and fine moderate-continuity interstitial and tubular pores; 10 percent distinct brownish yellow (10YR 6/6), moist, clay films on faces of peds; 15 percent very coarse distinct irregular noncoherent cemented yellowish brown (10YR 5/6) iron-manganese masses throughout; 1 percent by volume , 1 percent by weight nonflat rounded indurated 2-4-5 millimeter quartzite fragments observed by weighed method and 1 percent by volume , 1 percent by weight nonflat rounded indurated 5-10-20 millimeter quartzite fragments; neutral, pH 7.0, hellige-truog; gradual wavy boundary. Lab sample # 97P03374. 10% rock fragments (gravel) in upper 5 cent. at top of horizon.
    BC—107 to 150 centimeters (42.1 to 59.1 inches); 55 percent olive yellow (2.5Y 6/6) broken face fine sandy loam; 13 percent clay; weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; deformable; 5.0 very fine and fine roots in cracks; 3.0 very fine and fine moderate-continuity interstitial and tubular pores; 5 percent medium distinct irregular noncoherent cemented red (2.5YR 5/8) iron-manganese masses throughout and 15 percent coarse distinct irregular noncoherent cemented yellowish brown (10YR 5/8) iron-manganese masses throughout and 25 percent very coarse prominent irregular noncoherent cemented light gray (10YR 7/1) iron depletions throughout; fragments; slightly acid, pH 6.5, hellige-truog; gradual wavy boundary. Lab sample # 97P03375. Depletions are sand textured. Horizon has that oatmeal feel to it. Common amount of very fine mica flakes present.
    Cg—150 to 188 centimeters (59.1 to 74.0 inches); 43 percent light gray (10YR 7/1) broken face fine sandy loam; 9 percent clay; massive; very friable, slightly sticky, slightly plastic; deformable; 2 percent fine prominent irregular noncoherent cemented strong brown (7.5YR 5/8) iron-manganese masses throughout and 20 percent coarse prominent irregular noncoherent cemented yellowish brown (10YR 5/8) iron-manganese masses throughout and 35 percent very coarse prominent irregular noncoherent cemented light yellowish brown (2.5Y 6/4) iron-manganese masses throughout; fragments; moderately acid, pH 6.0, hellige-truog. Lab sample # 97P03376