IDENTIFIERS

  • Current Taxon Name (Soil Name): Brinklow
  • OSD
  • Series Extent
  • User Site ID: S1985MD031011
  • User Pedon ID: S1985MD031011
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0384
  • NCSS Pedon Lab Data NASIS Record ID - 58189
  • Print Date: 11/21/2024

    • 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: 39.2550011
  • Std. Longitude: -77.3494415
  • Datum: WGS84
  • Location Description: In Montgomery County, Maryland about 2800 feet north west of the intersection of Old Hundred Road, and Comus Road, 1165 feet west of Old Hundred Road, and 2600 feet north of Comus Road in a wooded area. This is based on the new latitude and longitude.
  • 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-C3—Urbana, Maryland

    • PEDON

  • Describers Name: James H. Brown, Steve T. Dyer
  • Current Taxonomic Class: Fine-loamy, mixed, subactive, mesic Typic Hapludults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 11
  • Correlated Information:
  • Soil Name - Brinklow
  • PSC - 30 to 69 cm.
  • Classificaton Date - 11/18/2014
  • Classifier - David Verdone
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Purdum
  • Taxonomic Class - Fine-loamy, mixed, mesic Ochreptic Hapludalfs
  • PSC - 30 to 69 cm.
  • Classificaton Date - 11/1/1985
  • Classifier - Soil Survey Staff
  • Soil Taxonomic Edition - second edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Landscape: upland, piedmont
  • Drainage Class: well
  • Bedrock: phyllite at 69cm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/1/1985 (actual site observation date)
  • Data Collector: James H. Brown, Steve T. Dyer
  • 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
  • Site Erosion Accelerated: water erosion
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    bedrock, lithic

    moderately coherent

    strongly coherent

    69 - 107

    107 - 157

    - 38 -

    - 50 -

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

    ochric epipedon

    argillic horizon

    paralithic contact

    paralithic materials

    lithic contact

    5—30

    30—69

    69—107

    69—107

    107—157

    —25—

    —39—

    —38—

    —38—

    —50—
    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

    3

    —

    —

    167

    —

    283

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 1 centimeters (0.0 to 0.4 inches); slightly decomposed plant material; fragments. Leaves from broadleaf trees.
    Oe—1 to 5 centimeters (0.4 to 2.0 inches); moderately decomposed plant material; fragments. Decomposed leaves from broadleaf trees.
    A—5 to 8 centimeters (2.0 to 3.1 inches); very dark brown (10YR 2/2) interior silt loam; weak very fine granular structure; friable; fragments; very strongly acid, pH 4.8, hellige-truog; abrupt smooth boundary. 5% rock fragments.
    E—8 to 20 centimeters (3.1 to 7.9 inches); dark yellowish brown (10YR 4/4) interior and yellowish brown (10YR 5/4) interior silt loam; weak medium subangular blocky structure; friable; 5.5 fine roots and 0.5 coarse roots; fragments; strongly acid, pH 5.3, hellige-truog; clear wavy boundary. Lab sample # 86P2275. 5% rock fragments. Micromorphology: Highly birefringent matrix with lattice-shaped weathered rock materials prominent throughout.; many fine roots; few coarse roots
    EB—20 to 30 centimeters (7.9 to 11.8 inches); brown (7.5YR 5/4) interior silt loam; moderate medium subangular blocky structure; friable; 5.5 fine and medium roots; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # 86P2276. 10% rock fragments.; many fine and medium roots
    Bt1—30 to 48 centimeters (11.8 to 18.9 inches); strong brown (7.5YR 5/6) interior channery silt loam; moderate medium subangular blocky structure; friable; 5.5 fine and medium roots; 2.5 fine tubular pores; fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # 86P2277. 15% rock fragments. 60% thin clay films on ped faces. Micromorphology: Lattice-shaped highly birefrigent weathered materials dominate. Very little illuvial clay that occurs as occasional papules.; many fine and medium roots
    Bt2—48 to 69 centimeters (18.9 to 27.2 inches); yellowish red (5YR 5/6) interior silt loam; weak fine subangular blocky structure; friable; 5.5 fine and medium roots; 2.5 fine tubular pores; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # 86P2278. 15% rock fragments. 60% thin clay films on ped faces.; many fine and medium roots
    Cr—69 to 107 centimeters (27.2 to 42.1 inches); yellowish red (5YR 5/8) interior bedrock; weak fine and medium angular blocky, and moderate fine and medium subangular blocky structure; firm; 0.5 very fine tubular pores; fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # 86P2279. Very fine exped roots. 45% rock fragments.
    R—107 to 157 centimeters (42.1 to 61.8 inches); bedrock; fragments. Hard phyllite bedrock.