IDENTIFIERS

  • Current Taxon Name (Soil Name): ROCHER
  • OSD
  • Series Extent
  • User Site ID: 2007MO183018
  • User Pedon ID: 2007MO183018
  • Vegetation Plot ID: 2007MO18318
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0718318
  • NCSS Pedon Lab Data NASIS Record ID - 26040
  • 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: 38.5475000
  • Std. Longitude: -90.9345278
  • Datum: WGS84
  • Township: T44N
  • Range: R1E
  • Section: 20
  • PLSS Details: 3,760 feet East and 3,405 feet South from the North West corner
  • Country: US—United States
  • State: Missouri
  • County: MO183—St. Charles
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO183—St. Charles County, Missouri
  • 7.5 Minute USGS Quad: 38090-E8—Washington East, Missouri
  • PEDON

  • Describers Name: Ralph Tucker
  • Current Taxonomic Class: Coarse-loamy over sandy or sandy-skeletal, mixed, mesic Mollic Udifluvents
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 18
  • Correlated Information:
  • Soil Name - ROCHER
  • PSC - 25 to 102 cm.
  • Classificaton Date - 5/21/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Sandover
  • Classificaton Date - 6/13/2007
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loamy alluvium derived from mixed
  • Landscape: river valley
  • Landform: flood plain
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: very low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/13/2007 (actual site observation date)
  • Air Photo ID: 38090e8se
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion gully
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    MESA

    Medicago sativa

    alfalfa

    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

    144.8

    0

    Ap1—0 to 18 centimeters (0.0 to 7.1 inches); dark brown (10YR 3/3) broken face very fine sandy loam; weak fine subangular blocky structure; friable; 10.0 very fine roots; 0.5 very fine tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU006758; observed in push tube
    Ap2—18 to 38 centimeters (7.1 to 15.0 inches); dark grayish brown (10YR 4/2) broken face very fine sandy loam; weak very fine subangular blocky structure; friable; 0.5 very fine roots; 0.5 fine tubular pores; fragments; very slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU006759; observed in push tube
    A—38 to 64 centimeters (15.0 to 25.2 inches); 70 percent dark brown (10YR 3/3) broken face and 30 percent very dark grayish brown (10YR 3/2) broken face silt loam; moderate medium subangular blocky structure; friable; 0.5 very fine roots; 0.5 very fine tubular pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU006760; observed in push tube
    C1—64 to 81 centimeters (25.2 to 31.9 inches); 80 percent brown (10YR 4/3) broken face and 20 percent dark grayish brown (10YR 4/2) broken face very fine sandy loam; loose; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; very slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    C2—81 to 99 centimeters (31.9 to 39.0 inches); brown (10YR 4/3) broken face very fine sandy loam; friable; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU006762; observed in push tube
    C3—99 to 109 centimeters (39.0 to 42.9 inches); dark brown (10YR 3/3) broken face very fine sandy loam; loose; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU006763; observed in push tube
    2C1—109 to 155 centimeters (42.9 to 61.0 inches); light olive brown (2.5Y 5/3) broken face loamy fine sand; loose; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU006764; observed in push tube
    2C2—155 to 203 centimeters (61.0 to 79.9 inches); light olive brown (2.5Y 5/4) broken face loamy fine sand; loose; fragments; noneffervescent, by hcl, 1n. Lab sample # MU006765; observed in push tube