IDENTIFIERS

  • Current Taxon Name (Soil Name): Montauk
  • OSD
  • Series Extent
  • User Site ID: S2017MA027005
  • User Pedon ID: S2017MA027005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 17N0668
  • User Project ID: HARV_001_NEON
  • Project Name: Harvard Forest
  • Print Date: 12/11/2025

    • 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: 42.4893333
  • Std. Longitude: -72.2753889
  • Datum: WGS84
  • Location Description: Pit;HARV;20170530;HARV_005; Jacob Isleib Milton Vega Megan McClellan Amanda Davila;6.6;58;40X40 SW;center of pit
  • Map Unit: 927C—Montauk-Scituate-Canton association, 3 to 15 percent slopes, extremely stony
  • Country: US—United States
  • State: Massachusetts
  • County: MA027—Worcester
  • MLRA: 144A—New England and Eastern New York Upland, Southern Part
  • Regional Office: NE—Northeast
  • MLRA Soil Survey Area: NE-TOL—Tolland, Connecticut
  • Non-MLRA Soil Survey Area: MA614—Worcester County, Massachusetts, Northwestern Part

    • PEDON

  • Describers Name: Jacob Isleib
  • Current Taxonomic Class: Loamy-skeletal, mixed, active, mesic Oxyaquic Dystrudepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Montauk
  • Taxonomic Class - Loamy-skeletal, mixed, active, mesic Oxyaquic Dystrudepts
  • Taxon Kind - taxadjunct
  • PSC - 31 to 106 cm.
  • Classificaton Date - 6/1/2017
  • Classifier - Jacob Isleib
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture SUBClass - oxyaquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • QC Status: level 3


    • SITE

  • Parent Material: loamy eolian deposits and/or loamy till over sandy and loamy flow till derived from granite, gneiss, and/or schist
  • Landscape: upland
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Slope Complexity: complex
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 5.00 percent nonflat subangular 250- to 600-millimeter mixed,
  • Benchmark Soil?: no
  • Plot #: 5
  • RaCA Information:
  • RaCA Site ID - HARV_005
  • DSP Plot ID - SW
  • Plot Baseline Azimuth - 58
  • Plot Baseline Length - 7
  • Plot Width - 40
  • Plot/Site Set Up By - Center of pit
  • Plot or Site Recorder - Jacob Isleib

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/30/2017 (actual site observation date)
  • Data Collector: Jacob Isleib, Milton Vega, Megan McClellan, Amanda Davila,
  • 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
  • Current Weather - partly cloudy
  • Current Air Temp - 19
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    densic material

    noncoherent

    63 - 100

    - 37 -

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

    ochric epipedon

    cambic horizon

    densic contact

    densic materials

    aquic conditions

    0—20

    20—63

    63—

    63—100

    63—100

    —20—

    —43—

    —-

    —37—

    —37—
    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

    8

    —

    —

    185

    —

    218

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oe—0 to 6 centimeters (0.0 to 2.4 inches); black (7.5YR 2.5/1) broken face stony moderately decomposed plant material; very friable; many very fine roots throughout and many coarse roots throughout and ; 5 percent by volume nonflat subrounded 75-163-250 millimeter mixed fragments observed by visual inspection method and 20 percent by volume nonflat subrounded 250-425-600 millimeter mixed fragments observed by visual inspection method; very strongly acid, pH 4.8, pH indicator solutions; clear smooth boundary. Lab sample # 17N03375; moist when described; observed in pit, small
    A—6 to 20 centimeters (2.4 to 7.9 inches); very dark gray (10YR 3/1) broken face stony highly organic fine sandy loam; moderate medium subangular blocky parts to weak medium granular, and moderate coarse subangular blocky parts to weak medium granular structure; friable; moderately few very fine roots throughout and many medium roots throughout and moderately few fine roots throughout and moderately few coarse roots throughout; 2 percent by volume nonflat subrounded 2-39-75 millimeter mixed fragments observed by visual inspection method and 5 percent by volume nonflat subrounded 75-163-250 millimeter mixed fragments observed by visual inspection method and 20 percent by volume nonflat subrounded 250-425-600 millimeter mixed fragments observed by visual inspection method; strongly acid, pH 5.2, pH indicator solutions; abrupt wavy boundary. Lab sample # 17N03376; moist when described; observed in pit, small
    Bw—20 to 46 centimeters (7.9 to 18.1 inches); dark yellowish brown (10YR 4/4) broken face very stony fine sandy loam; weak medium subangular blocky, and weak coarse subangular blocky structure; friable; moderately few fine roots throughout and moderately few coarse roots throughout; 10 percent by volume nonflat subrounded 2-39-75 millimeter mixed fragments observed by visual inspection method and 10 percent by volume nonflat subangular 75-163-250 millimeter mixed fragments observed by visual inspection method and 30 percent by volume nonflat subangular 250-425-600 millimeter mixed fragments observed by visual inspection method; strongly acid, pH 5.2, pH indicator solutions; clear smooth boundary. Lab sample # 17N03377; moist when described; observed in pit, small
    BC—46 to 63 centimeters (18.1 to 24.8 inches); dark yellowish brown (10YR 4/4) broken face gravelly fine sandy loam; weak coarse subangular blocky structure; friable; many fine roots throughout and moderately few coarse roots throughout; 5 percent by volume nonflat subangular 75-163-250 millimeter mixed fragments observed by visual inspection method and 20 percent by volume nonflat subangular 2-39-75 millimeter mixed fragments observed by visual inspection method; very strongly acid, pH 5.0, pH indicator solutions; clear smooth boundary. Lab sample # 17N03378; moist when described; observed in pit, small
    2Cd1—63 to 83 centimeters (24.8 to 32.7 inches); gravelly loamy sand; structureless massive; firm; 5 percent medium faint noncoherent cemented olive gray (5Y 4/2), moist, iron depletions throughout and 15 percent medium prominent noncoherent cemented dark red (2.5YR 3/6), moist, masses of oxidized iron throughout; 5 percent by volume nonflat subangular 75-163-250 millimeter mixed fragments observed by visual inspection method and 20 percent by volume nonflat subangular 2-39-75 millimeter mixed fragments observed by visual inspection method; very strongly acid, pH 4.8, pH indicator solutions. Lab sample # 17N03379; moist when described; observed in pit, small
    2Cd2—83 to 100 centimeters (32.7 to 39.4 inches); olive gray (5Y 5/2) broken face gravelly sandy loam; structureless massive; firm; 25 percent coarse distinct brown (10YR 4/3), moist, iron-manganese masses throughout; 5 percent by volume nonflat subangular 75-163-250 millimeter mixed fragments observed by visual inspection method and 20 percent by volume nonflat subangular 2-39-75 millimeter mixed fragments observed by visual inspection method. Lab sample # 17N03380; observed in auger, bucket