IDENTIFIERS

  • Current Taxon Name (Soil Name): Cornwall
  • OSD
  • Series Extent
  • User Site ID: 2000MO221278M
  • User Pedon ID: 2000MO221278
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0022115
  • Print Date: 11/26/2024
  • 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: 37.8080673
  • Std. Longitude: -90.7147980
  • Datum: WGS84
  • Location Description: Hughes Mountain Conservation Area
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland
  • PEDON

  • Describers Name: RT/GB/DS
  • Current Taxonomic Class: Fine-loamy, mixed Fragiaquic Paleudults
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Cornwall
  • Taxonomic Class - Fine-loamy, mixed Fragiaquic Paleudults
  • Taxon Kind - series
  • PSC - 13 to 63 cm.
  • Classificaton Date - 6/28/2000
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess and/or residuum weathered from acid igneous rock
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Bedrock: rhyolite
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/28/2000 (actual site observation date)
  • Air Photo ID: G10
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • 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

    7

    253

    355

    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark brown (10YR 3/3), pale brown (10YR 6/3), dry; silt loam; weak fine subangular blocky parts to moderate very fine granular structure; friable; 6.0 fine and medium roots; 2 percent by volume 2-39-75 millimeter igneous, acid fragments; clear smooth boundary. Lab sample # MU012243
    Bt1—13 to 28 centimeters (5.1 to 11.0 inches); dark yellowish brown (10YR 4/4) silt loam; moderate fine and medium subangular blocky structure; friable; 3.0 very fine and fine roots; 5 percent by volume 2-39-75 millimeter igneous, acid fragments; gradual smooth boundary. Lab sample # MU012244
    Bt2—28 to 43 centimeters (11.0 to 16.9 inches); yellowish brown (10YR 5/4) silt loam; moderate fine and medium subangular blocky structure; friable; 1.0 very fine and fine roots; 5 percent by volume 2-39-75 millimeter igneous, acid fragments; abrupt wavy boundary. Lab sample # MU012245
    2Bt3—43 to 58 centimeters (16.9 to 22.8 inches); yellowish brown (10YR 5/4) very gravelly silt loam; weak fine platy parts to moderate fine subangular blocky structure; firm; 1.0 very fine and fine roots; 15 percent by volume 75-162-250 millimeter igneous, acid fragments and 20 percent by volume 2-39-75 millimeter igneous, acid fragments; clear smooth boundary. Lab sample # MU012246
    2Btx1—58 to 74 centimeters (22.8 to 29.1 inches); strong brown (7.5YR 5/6) extremely gravelly loam; weak coarse prismatic parts to weak fine and medium subangular blocky structure; very firm; 0.5 very fine roots; 35 percent manganese or iron-manganese stains; 25 percent by volume 75-162-250 millimeter igneous, acid fragments and 40 percent by volume 2-39-75 millimeter igneous, acid fragments; abrupt smooth boundary. Lab sample # MU012247. 20% brittle
    2Btx2—74 to 86 centimeters (29.1 to 33.9 inches); strong brown (7.5YR 5/6) extremely gravelly loam; weak coarse prismatic parts to weak fine and medium subangular blocky structure; very firm; 0.5 very fine roots; 60 percent manganese or iron-manganese stains; 20 percent by volume 75-162-250 millimeter igneous, acid fragments and 45 percent by volume 2-39-75 millimeter igneous, acid fragments; clear smooth boundary. Lab sample # MU012248. 40% brittle
    2Btx3—86 to 109 centimeters (33.9 to 42.9 inches); 90 percent yellowish brown (10YR 5/6) and 10 percent light brownish gray (10YR 6/2) very gravelly silt loam; weak coarse prismatic parts to weak fine and medium subangular blocky structure; very firm; 0.1 very fine roots; 35 percent manganese or iron-manganese stains; 15 percent by volume 75-162-250 millimeter igneous, acid fragments and 40 percent by volume 2-39-75 millimeter igneous, acid fragments; abrupt smooth boundary. Lab sample # MU012249. 30% brittle
    3Bt1—109 to 157 centimeters (42.9 to 61.8 inches); 70 percent gray (10YR 6/1) and 30 percent pale brown (10YR 6/3) silt loam; moderate fine and medium prismatic parts to moderate very fine and fine angular blocky structure; very firm; 0.1 very fine roots; 35 percent clay films; 10 percent by volume 2-39-75 millimeter igneous, acid fragments; abrupt smooth boundary. Lab sample # MU012250
    3Bt2—157 to 188 centimeters (61.8 to 74.0 inches); 80 percent strong brown (7.5YR 5/6) and 20 percent light brownish gray (10YR 6/2) gravelly silt loam; moderate fine and medium prismatic parts to moderate very fine and fine angular blocky structure; very firm; 0.1 very fine roots; 35 percent clay films; 30 percent by volume 2-39-75 millimeter igneous, acid fragments. Lab sample # MU012251