IDENTIFIERS

  • Current Taxon Name (Soil Name): Lawrenceville
  • OSD
  • Series Extent
  • User Site ID: 608
  • User Pedon ID: 1960PA091002
  • Vegetation Plot ID: 608
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - PSU
  • Lab Pedon # - 60PA091002
  • NCSS Pedon Lab Data NASIS Record ID - 44552
  • Print Date: 12/6/2025

    • 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: 40.1966667
  • Std. Longitude: -75.1700000
  • Datum: WGS84
  • Location Description: in Montgomery County, Pennsylvania; Horsham Township, 1.75 miles west of Prospectville, first lane south off Horsham road, west of intersection with Babylon Road, 300 feet northwest of third group of trees east of woodland on south boundary of farm in line with the second group of trees south of the creek.
  • Country: US—United States
  • State: Pennsylvania
  • County: PA091—Montgomery
  • MLRA: 148—Northern Piedmont
  • Non-MLRA Soil Survey Area: PA091—Montgomery County, Pennsylvania
  • 7.5 Minute USGS Quad: 40075-B2—Ambler, Pennsylvania

    • PEDON

  • Describers Name: F. Loughry, J. Noll, R. Smith, J. Levitan, R. Matelski
  • Current Taxonomic Class: Coarse-silty, mixed Aquic Fragiudalfs
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PSU
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Lawrenceville
  • Classificaton Date - 5/7/2012
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Lawrenceville
  • Classificaton Date - 5/31/1960
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 0.25 in/hr of percolation rate and 0.37 in/hr of percolation rate and 0.37 in/hr of percolation rate and 0.38 in/hr of percolation rate and 0.38 in/hr of percolation rate and 0.5 in/hr of percolation rate and 0.81 in/hr of percolation rate


    • SITE

  • Parent Material: silty loess over residuum weathered from shale and siltstone
  • Landscape: piedmont
  • Landform: upland slope
  • Geomorphic Component Hills: side slope
  • Runoff: very low
  • Drainage Class: moderately well
  • Bedrock: shale and siltstone
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/31/1960 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    GLMA4

    Glycine max

    soybean

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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

    4

    —

    —

    87

    —

    315

    1100

    —

    —

    —

    —

    —

    10.7

    —

    —

    —

    —

    —

    —

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    Ap—0 to 23 centimeters (0.0 to 9.1 inches); dark grayish brown (10YR 4/2) interior silt loam; weak fine granular structure; friable, nonplastic; fragments; slightly acid, pH 6.5, unspecified; clear smooth boundary. Lab sample # PSU04681
    AB—23 to 33 centimeters (9.1 to 13.0 inches); yellowish brown (10YR 5/4) interior silt loam; moderate medium subangular blocky structure; friable; fragments; slightly acid, pH 6.5, unspecified; clear wavy boundary. Lab sample # PSU04682. Partial clay films.
    BA—33 to 48 centimeters (13.0 to 18.9 inches); dark yellowish brown (10YR 4/4) interior silt loam; moderate medium subangular blocky structure; friable; fragments; slightly acid, pH 6.4, unspecified; gradual wavy boundary. Lab sample # PSU04683. Clay films on most ped faces.
    Bt1—48 to 64 centimeters (18.9 to 25.2 inches); dark yellowish brown (10YR 4/4) interior silt loam; moderate medium and coarse subangular blocky structure; friable; clay films; 1 percent fine distinct grayish brown (10YR 5/2) and 1 percent fine faint brown (10YR 4/3); fragments; moderately acid, pH 6.0, unspecified; gradual wavy boundary. Lab sample # PSU04684. Some black coatings.; continuous - phpvsfiid 1164538; continuous - phpvsfiid 1164538
    Bt2—64 to 81 centimeters (25.2 to 31.9 inches); dark yellowish brown (10YR 4/4) interior silt loam; moderate medium prismatic, and subangular blocky structure; friable; prominent clay films; 11 percent medium distinct light gray (10YR 7/2) and 11 percent medium distinct strong brown (7.5YR 5/6); fragments; very strongly acid, pH 4.8, unspecified; gradual wavy boundary. Lab sample # PSU04685
    BC—81 to 112 centimeters (31.9 to 44.1 inches); brown (7.5YR 4/4) interior silt loam; moderate medium and coarse platy structure; friable; prominent clay films; 60 percent medium prominent reddish brown (5YR 5/4) and 60 percent medium prominent pinkish gray (7.5YR 7/2); fragments; extremely acid, pH 4.4, unspecified; gradual wavy boundary. Lab sample # PSU04686
    C1—112 to 173 centimeters (44.1 to 68.1 inches); dark grayish brown (10YR 4/2) interior silt loam; moderate medium platy structure; friable; 11 percent medium distinct grayish brown (2.5Y 5/2) and 11 percent medium distinct yellowish red (5YR 5/8); fragments; extremely acid, pH 4.4, unspecified; gradual wavy boundary. Lab sample # PSU04687
    C2—173 to 188 centimeters (68.1 to 74.0 inches); dark yellowish brown (10YR 4/4) interior silt loam; moderate medium platy structure; friable; 11 percent medium distinct gray (10YR 6/1) and 11 percent medium distinct strong brown (7.5YR 5/6); fragments; very strongly acid, pH 4.5, unspecified; clear wavy boundary. Lab sample # PSU04688. Grads to fine sandy loam at lower depths.
    R—188 to 205 centimeters (74.0 to 80.7 inches); fragments. Lab sample # PSU04689