IDENTIFIERS

  • Current Taxon Name (Soil Name): Blackford
  • OSD
  • Series Extent
  • User Site ID: 09KY047051
  • User Pedon ID: 09KY047051
  • Vegetation Plot ID: 09KY047 Blackford-OSD
  • Transect:
  • User Transect ID - T09KY047-Cu-002
  • Transect Stop Number - 5
  • Transect Interval - 24.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - UK
  • Lab Pedon # - 09KY-047-035
  • NCSS Pedon Lab Data NASIS Record ID - 46411
  • Print Date: 2/16/2025

    • 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: 37.1155128
  • Std. Longitude: -87.6224136
  • Datum: WGS84
  • Location Description: Christian County, KY. About 510 feet south and 17 feet west of the center of bridge over the Tradewater River on Collins Bridge Road. UTM Zone 16, 444704 meters easting and 4107868 meters northing, NAD 83.
  • Map Unit: Cu—Cuba silt loam
  • Country: US—United States
  • State: Kentucky
  • County: KY047—Christian
  • MLRA: 120A—Kentucky and Indiana Sandstone and Shale Hills and Valleys, Southern Part
  • Regional Office: 6—Morgantown, WV
  • MLRA Soil Survey Area: NE-OWN—Owensboro, Kentucky
  • Non-MLRA Soil Survey Area: KY047—Christian County, Kentucky
  • 7.5 Minute USGS Quad: 37087-A5—Dawson Springs SE, Kentucky

    • PEDON

  • Describers Name: Matt McCauley and Steve Neyhouse
  • Current Taxonomic Class: Coarse-silty, mixed, active, mesic Fluventic Dystrudepts
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Blackford
  • PSC - 25 to 100 cm.
  • Classificaton Date - 4/13/2012
  • Classifier - Matt McCauley
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Blackford
  • Taxonomic Class - Coarse-silty, mixed, active, mesic Fluventic Dystrudepts
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/20/2009
  • Classifier - Matt McCauley
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: acid coarse-silty alluvium
  • Landscape: valley
  • Landform: flood plain
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: well
  • Flooding: frequent flooding for brief periods begining in dec
  • Ponding: none ponding
  • Geology: Alluvium member.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

  • Vegplot Text Note(s): NASIS Site Name (MLRA06_Morgantown) was transferred over (MLRA12_Amherst) to align with the new USDA-NRCS SPSD Regional Office boundaries. The MLRA12-Amherst NASIS Site will eventually be renamed as the Northeast NASIS Site.

    • SITE OBSERVATION

  • Observation Date: 7/20/2009 (actual site observation date)
  • 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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    DAGL

    Dactylis glomerata

    orchardgrass

    —

    —

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

    ochric epipedon

    cambic horizon

    0—23

    23—203

    —23—

    —180—
    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

    —

    —

    124

    —

    1306

    —

    191

    13.6

    —

    —

    —

    —

    —

    —

    —

    KY3994

    Hopkinsville

    coop
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; 12 percent sand; 73 percent silt; 15 percent clay; moderate medium granular structure; friable; few (0.5) fine roots throughout; fragments; moderately acid, pH 6.0, pH meter; abrupt smooth boundary. Lab sample # KY0381; moist when described; observed in push tube
    Bw1—23 to 48 centimeters (9.1 to 18.9 inches); dark yellowish brown (10YR 4/6) silt loam; 20 percent sand; 64 percent silt; 16 percent clay; weak medium subangular blocky structure; friable; few (0.5) fine roots throughout; 26 percent prominent light gray (10YR 7/2), moist, silt coats on all faces of peds; fragments; strongly acid, pH 5.3, pH meter; clear smooth boundary. Lab sample # KY0382; moist when described; observed in push tube. continuous - phpvsfiid 469732; continuous - phpvsfiid 469732
    Bw2—48 to 71 centimeters (18.9 to 28.0 inches); dark yellowish brown (10YR 4/6) silt loam; 16 percent sand; 70 percent silt; 14 percent clay; weak medium subangular blocky structure; friable; few (0.5) fine roots throughout; 5 percent prominent light gray (10YR 7/2), moist, silt coats on all faces of peds; fragments; very strongly acid, pH 4.8, pH meter; clear smooth boundary. Lab sample # KY0383; moist when described; observed in push tube. patchy - phpvsfiid 469733; patchy - phpvsfiid 469733
    Bw3—71 to 142 centimeters (28.0 to 55.9 inches); brown (7.5YR 4/4) silt loam; 15 percent sand; 71 percent silt; 14 percent clay; weak medium subangular blocky structure; friable; few (0.5) very fine roots throughout; 5 percent prominent light gray (10YR 7/2), moist, silt coats on all faces of peds; fragments; very strongly acid, pH 4.8, pH meter; gradual smooth boundary. Lab sample # KY0384; moist when described; observed in push tube. patchy - phpvsfiid 469734; patchy - phpvsfiid 469734
    BC—142 to 203 centimeters (55.9 to 79.9 inches); strong brown (7.5YR 4/6) silt loam; 20 percent sand; 65 percent silt; 15 percent clay; weak coarse subangular blocky structure; friable; few (0.5) very fine roots between peds; 5 percent prominent light gray (10YR 7/2), moist, silt coats on all faces of peds; fragments; very strongly acid, pH 4.9, pH meter. Lab sample # KY0385; moist when described; observed in push tube. patchy - phpvsfiid 469735; patchy - phpvsfiid 469735