IDENTIFIERS

  • Current Taxon Name (Soil Name): Gladstone
  • OSD
  • Series Extent
  • User Site ID: S2013MD027001
  • User Pedon ID: S2013MD027001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 13N9289
  • NCSS Pedon Lab Data NASIS Record ID - 51964
  • Print Date: 1/30/2025

    • 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: 39.2267500
  • Std. Longitude: -76.7481389
  • Datum: WGS84
  • Location Description: In a open field about 1.7 miles west of I-95, 0.95 miles south of the Patapsco River, 1.0 miles north of Montgomery road, and 1065 feet north west of the end of Belmont Woods road, west of the Belmont Conference Center in Patapsco Valley State Park, in Howard County, Maryland.
  • Map Unit: LaC—Legore silt loam, 8 to 15 percent slopes
  • Country: US—United States
  • State: Maryland
  • County: MD027—Howard
  • MLRA: 148—Northern Piedmont
  • Regional Office: SE—Southeast
  • MLRA Soil Survey Area: NE-FRE—Frederick, Maryland
  • Non-MLRA Soil Survey Area: MD027—Howard County, Maryland
  • 7.5 Minute USGS Quad: 39076-B6—Relay, Maryland

    • PEDON

  • Describers Name: CER, AKF, SYD, DRPV
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Typic Hapludults
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Gladstone
  • PSC - 20 to 38 cm.
  • Classificaton Date - 1/14/2014
  • Classifier - David Verdone
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Legore
  • Taxonomic Class - Fine-loamy, mixed, active, mesic Ultic Hapludalfs
  • Taxon Kind - series
  • Classificaton Date - 3/7/2013
  • Classifier - David Verdone
  • Soil Taxonomic Edition - eleventh 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

  • Parent Material: residuum weathered from gneiss
  • Landscape: piedmont
  • Landform: upland hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: complex
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: low
  • Ksat Class Upper: moderately high
  • Ksat Class Lower: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: strongly coherent gneiss at 191cm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/5/2013 (actual site observation date)
  • Data Collector: CER, AKF, SYD, DRPV
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - partly cloudy
  • Current Air Temp - 11
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—20

    20—38

    —20—

    —18—
    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

    —

    —

    96

    —

    186

    1119

    —

    177

    13

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 5 centimeters (0.0 to 2.0 inches); dark brown (7.5YR 3/3) clay loam; moderate medium granular, and moderate coarse granular structure; friable, nonsticky, nonplastic; common (3.0) very fine roots throughout and few (0.0) medium roots throughout and common (3.0) fine roots throughout; 2 percent by volume nonflat subrounded indurated 2-13-25 millimeter quartzite fragments observed by visual inspection method; abrupt wavy boundary.; moist when described; observed in pit, small
    Ap—5 to 20 centimeters (2.0 to 7.9 inches); dark brown (7.5YR 3/4) clay loam; moderate medium subangular blocky, and moderate fine subangular blocky structure; friable, nonsticky, nonplastic; common (3.0) very fine roots throughout and few (0.0) medium roots throughout and common (3.0) fine roots throughout; 5 percent by volume nonflat subrounded indurated 2-13-25 millimeter quartzite fragments observed by visual inspection method; gradual wavy boundary.; moist when described; observed in pit, small
    Bt—20 to 38 centimeters (7.9 to 15.0 inches); strong brown (7.5YR 4/6) clay loam; moderate medium subangular blocky, and moderate fine subangular blocky structure; friable, slightly sticky, slightly plastic; common (3.0) very fine roots throughout and few (0.0) medium roots throughout and common (3.0) fine roots throughout; 70 percent distinct strong brown (7.5YR 4/6), moist, clay films on all faces of peds; 1 percent by volume nonflat subrounded indurated 2-13-25 millimeter quartzite fragments observed by visual inspection method; clear wavy boundary.; moist when described; observed in pit, small. continuous - phpvsfiid 1047152; continuous - phpvsfiid 1047152
    BCt—38 to 69 centimeters (15.0 to 27.2 inches); brown (7.5YR 4/4) loam; weak medium subangular blocky structure; friable, nonsticky, nonplastic; common (3.0) very fine roots throughout and few (0.0) medium roots throughout and common (3.0) fine roots throughout; 20 percent distinct brown (7.5YR 4/4), moist, clay films on all faces of peds; fragments; gradual wavy boundary.; moist when described; observed in pit, small. continuous - phpvsfiid 1047153; continuous - phpvsfiid 1047153
    C/B—69 to 89 centimeters (27.2 to 35.0 inches); yellowish brown (10YR 5/4) and yellowish brown (10YR 5/6) fine sandy loam; weak coarse subangular blocky structure; very friable, nonsticky, nonplastic; common (3.0) very fine roots throughout; fragments; clear smooth boundary.; moist when described; observed in pit, small
    C1—89 to 132 centimeters (35.0 to 52.0 inches); 80 percent light yellowish brown (10YR 6/4) and 8 percent strong brown (7.5YR 5/6) and 7 percent strong brown (7.5YR 5/8) and 5 percent olive brown (2.5Y 4/3) loam; structureless massive parts to weak very thick platy; very friable, nonsticky, nonplastic; few (0.9) very fine roots throughout; fragments; clear wavy boundary.; moist when described; observed in pit, small
    C2—132 to 191 centimeters (52.0 to 75.2 inches); variegated 25 percent very dark grayish brown (2.5Y 3/2) and 23 percent reddish brown (5YR 4/4) and 22 percent yellowish red (5YR 4/6) and 15 percent very pale brown (10YR 8/2) and 10 percent light yellowish brown (10YR 6/4) and 5 percent 2.5YR 2.5/6 (2.5YR 2.5/6) fine sandy loam; structureless massive parts to weak very thick platy; very friable, nonsticky, nonplastic; 25 percent fine prominent irregular strongly coherent cemented mica flakes, unspecified with sharp boundaries throughout; fragments.; moist when described; observed in pit, small