IDENTIFIERS

  • Current Taxon Name (Soil Name): Neshaminy
  • OSD
  • Series Extent
  • User Site ID: 1961PA091017
  • User Pedon ID: 1961PA091017
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Print Date: 2/17/2025

    • 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: 40.3476667
  • Std. Longitude: -75.4345278
  • Datum: WGS84
  • Location Description: Montgomery County; Marlborough Township, 2,300 feet North of the intersection of Payne Rd and Swamp Creek Rd, on Swamp Creek Rd; 350 feet SE uphill of Swamp Creek Rd in the woods.
  • Map Unit: NkD—Neshaminy gravelly silt loam, 8 to 25 percent slopes, extremely bouldery
  • Country: US—United States
  • State: Pennsylvania
  • County: PA091—Montgomery
  • MLRA: 148—Northern Piedmont
  • Regional Office: SE—Southeast
  • MLRA Soil Survey Area: NE-FRE—Frederick, Maryland
  • Non-MLRA Soil Survey Area: PA091—Montgomery County, Pennsylvania
  • 7.5 Minute USGS Quad: 40075-C4—Perkiomenville, Pennsylvania

    • PEDON

  • Describers Name: F.G. Loughry
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Ultic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Neshaminy (flagged as OSD)
  • PSC - 41 to 91 cm.
  • Classificaton Date - 12/10/2021
  • Classifier - David Verdone
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Neshaminy
  • Classificaton Date - 4/3/1961
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from diabase
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: very strongly coherent slight weathered diabase
  • Surface Fragments: 11.00 percent nonflat subrounded very strongly coherent cemented 600- to 2000-millimeter diabase,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/3/1961 (actual site observation date)
  • Data Collector: F.G. Loughry
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    —

    152 -

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    lithic contact

    3—41

    41—132

    152—

    —-

    —-

    —-
    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

    24

    —

    —

    119

    —

    330

    —

    —

    —

    10

    —

    —

    11

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); brown (7.5YR 4/3) interior slightly decomposed plant material; fragments.; moist when described; observed in pit, small
    A—3 to 8 centimeters (1.2 to 3.1 inches); very dark grayish brown (10YR 3/2) interior gravelly silt loam; 22 percent sand; 61 percent silt; 17 percent clay; weak medium granular structure; very friable, nonsticky, nonplastic; moderate permeability; 8.0 very fine and fine roots throughout and 6.0 medium and coarse roots throughout; 1.0 medium moderate-continuity tubular pores; 17 percent by volume flat subangular strongly coherent cemented 2-76-150 millimeter diabase fragments; strongly acid, pH 5.4, chlorophenol red; clear wavy boundary.; moist when described; observed in pit, small
    E—8 to 18 centimeters (3.1 to 7.1 inches); yellowish brown (10YR 5/4) interior channery silt loam; 25 percent sand; 54 percent silt; 21 percent clay; moderate medium subangular blocky structure; very friable, slightly sticky, nonplastic; moderate permeability; 1.0 very coarse roots throughout and 4.0 fine and medium roots throughout and 3.0 coarse roots throughout; 1.0 medium moderate-continuity tubular pores; 20 percent by volume flat subangular strongly coherent cemented 2-76-150 millimeter diabase fragments; strongly acid, pH 5.2, chlorophenol red; gradual wavy boundary.; moist when described; observed in pit, small
    BE—18 to 41 centimeters (7.1 to 16.1 inches); strong brown (7.5YR 5/6) interior channery loam; 30 percent sand; 45 percent silt; 25 percent clay; moderate medium subangular blocky structure; friable, slightly sticky, slightly plastic; moderate permeability; 1.0 very coarse roots throughout and 3.0 fine and medium roots throughout; 1.0 medium moderate-continuity tubular pores; 2 percent distinct brown (7.5YR 5/4), moist, clay films on all faces of peds; 22 percent by volume flat subangular strongly coherent cemented 2-76-150 millimeter diabase fragments; strongly acid, pH 5.2, chlorophenol red; clear wavy boundary.; moist when described; observed in pit, small. patchy - phpvsfiid 347324; patchy - phpvsfiid 347324
    Bt1—41 to 61 centimeters (16.1 to 24.0 inches); yellowish red (5YR 4/6) interior channery clay loam; 30 percent sand; 41 percent silt; 29 percent clay; 1 percent reddish black (2.5YR 2.5/1) prominent mottles; moderate medium prismatic structure; friable, slightly sticky, slightly plastic; moderately slow permeability; 1.0 very coarse roots throughout and 0.5 fine roots throughout and 1.0 coarse roots throughout; 0.5 coarse moderate-continuity dendritic tubular pores; 26 percent distinct reddish brown (5YR 5/4), moist, clay films on all faces of peds; 25 percent by volume flat subangular strongly coherent cemented 2-76-150 millimeter diabase fragments; strongly acid, pH 5.4, chlorophenol red; gradual wavy boundary.; moist when described; observed in pit, small. continuous - phpvsfiid 238880; continuous - phpvsfiid 238880
    Bt2—61 to 91 centimeters (24.0 to 35.8 inches); yellowish red (5YR 5/6) interior channery clay loam; 30 percent sand; 32 percent silt; 38 percent clay; 5 percent reddish black (2.5YR 2.5/1) prominent mottles; moderate medium subangular blocky, and moderate medium prismatic structure; friable, moderately sticky, moderately plastic; moderately slow permeability; 1.0 very coarse roots throughout and 3.0 medium and coarse roots throughout; 0.5 coarse moderate-continuity dendritic tubular pores; 15 percent distinct reddish brown (5YR 5/4), moist, clay films on all faces of peds; 5 percent by volume nonflat subangular very strongly coherent cemented 250-425-600 millimeter diabase fragments and 25 percent by volume flat subangular strongly coherent cemented 2-76-150 millimeter diabase fragments; moderately acid, pH 5.6, chlorophenol red; gradual wavy boundary.; moist when described; observed in pit, small. continuous - phpvsfiid 238884; continuous - phpvsfiid 238884
    Bt3—91 to 132 centimeters (35.8 to 52.0 inches); red (2.5YR 4/6) interior channery clay loam; 38 percent sand; 27 percent silt; 35 percent clay; 3 percent reddish black (2.5YR 2.5/1) prominent mottles; moderate medium prismatic structure; friable, slightly sticky, moderately plastic; moderately slow permeability; 1.0 very coarse roots around fragments and 1.5 fine and medium roots throughout and 1.0 coarse roots around fragments; 0.5 very coarse high-continuity dendritic tubular pores; 4 percent distinct yellowish red (5YR 4/6), moist, clay films on all faces of peds; 15 percent by volume nonflat subangular very strongly coherent cemented 250-425-600 millimeter diabase fragments and 30 percent by volume flat subangular strongly coherent cemented 2-76-150 millimeter diabase fragments; moderately acid, pH 5.6, chlorophenol red; gradual wavy boundary.; moist when described; observed in pit, small. patchy - phpvsfiid 238883; patchy - phpvsfiid 238883
    C—132 to 152 centimeters (52.0 to 59.8 inches); yellowish red (5YR 4/6) interior very stony sandy clay loam; 48 percent sand; 19 percent silt; 33 percent clay; massive; friable, slightly sticky, moderately plastic; moderately slow permeability; 0.5 very coarse roots around fragments; 0.5 coarse high-continuity dendritic tubular pores; 6 percent by volume flat subangular strongly coherent cemented 2-76-150 millimeter diabase fragments and 45 percent by volume nonflat subangular very strongly coherent cemented 250-425-600 millimeter diabase fragments; moderately acid, pH 5.8, chlorophenol red.; moist when described; observed in pit, small
    R—152 to 177 centimeters (59.8 to 69.7 inches); bedrock; very strongly coherent cemented diabase fragments.; observed in pit, small