IDENTIFIERS

  • Current Taxon Name (Soil Name): Huntington
  • OSD
  • Series Extent
  • User Site ID: S2020MD031037
  • User Pedon ID: S2020MD031037
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 21N0208
  • User Project ID: 20-21fre
  • Project Name: MLRA 148 - Potomac River Legacy Sediments and Phosphorus Project
  • Print Date: 4/12/2026

    • 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: 39.0713270
  • Std. Longitude: -77.4242260
  • Datum: WGS84
  • Location Description: In a wooded area, about 2.6 miles southwest of Sugarland, 0.9 miles sout of River Road, on Van Deventer Island in the Potomac River, in Montgomery County, Maryland
  • Map Unit: 46A—Huntington silt loam, 0 to 3 percent slopes, occasionally flooded
  • Country: US—United States
  • State: Maryland
  • County: MD031—Montgomery
  • MLRA: 148—Northern Piedmont
  • Regional Office: SE—Southeast
  • MLRA Soil Survey Area: NE-FRE—Frederick, Maryland
  • Non-MLRA Soil Survey Area: MD031—Montgomery County, Maryland
  • 7.5 Minute USGS Quad: 39077-A4—Sterling, Virginia

    • PEDON

  • Describers Name: Ben J. Marshall, Phil S. King
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Fluventic Hapludolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from metasedimentary rock
  • Landscape: piedmont
  • Landform: terrace
  • Geomorphic Component Terraces: tread
  • Hill Slope Profile: toeslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: occasional flooding for brief periods
  • Ponding: none ponding
  • Bedrock: sandstone and shale
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/26/2020 (actual site observation date)
  • Data Collector: Ben J. Marshall, Phil S. King
  • 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
  • Current Weather - sunny
  • Current Air Temp - 24
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    aquic conditions

    redox concentrations

    redox depletions with chroma 2 or less

    0—20

    63—200

    101—200

    101—200

    101—200

    —20—

    —13—

    —99—

    —99—

    —99—
    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

    1

    —

    —

    58

    —

    348

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) loam; 13 percent clay; fragments.; moist when described; observed in auger, bucket
    A2—20 to 39 centimeters (7.9 to 15.4 inches); dark yellowish brown (10YR 3/4) loam; 13 percent clay; fragments.; moist when described; observed in auger, bucket
    Ab—39 to 63 centimeters (15.4 to 24.8 inches); very dark grayish brown (10YR 3/2) silt loam; 23 percent clay; fragments.; moist when described; observed in auger, bucket
    Bw1—63 to 101 centimeters (24.8 to 39.8 inches); dark yellowish brown (10YR 3/4) silt loam; 24 percent clay; fragments.; moist when described; observed in auger, bucket
    Bw2—101 to 150 centimeters (39.8 to 59.1 inches); dark yellowish brown (10YR 3/4) silty clay loam; 30 percent clay; 10 percent strong brown (7.5YR 4/6), moist, masses of oxidized iron and 35 percent gray (10YR 6/1), moist, iron depletions; fragments.; moist when described; observed in auger, bucket
    Bw3—150 to 200 centimeters (59.1 to 78.7 inches); dark brown (7.5YR 3/4) silty clay loam; 35 percent clay; 5 percent yellowish red (5YR 4/6), moist, masses of oxidized iron and 20 percent brown (7.5YR 5/2), moist, iron depletions; fragments.; moist when described; observed in auger, bucket