IDENTIFIERS

  • Current Taxon Name (Soil Name): Dawn
  • OSD
  • Series Extent
  • User Site ID: 1990MO117016m
  • User Pedon ID: 1990MO117016m
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9011716
  • NCSS Pedon Lab Data NASIS Record ID - 26932
  • 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: 39.6177778
  • Std. Longitude: -93.6425000
  • Datum: WGS84
  • Township: T56N
  • Range: R24W
  • Section: 31
  • Location Description: 1,000 feet east and 30 feet south of the northwest corner of sec. 31, T. 56 N., R. 24 W.
  • State: Missouri
  • County: MO117—Livingston
  • MLRA: 109—Iowa and Missouri Heavy Till Plain

    • PEDON

  • Describers Name: db
  • Current Taxonomic Class: Coarse-loamy, mixed Oxyaquic Hapludolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Dawn
  • PSC - 25 to 100 cm.
  • Classificaton Date - 4/12/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Dawn
  • Classificaton Date - 11/29/1994
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from sandstone and shale
  • Landscape: till plain
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: concave
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/29/1994 (actual site observation date)
  • Air Photo ID: 1
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    paralithic contact

    0—28

    28—61

    94—152

    —-

    —-

    —-
    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

    8

    —

    —

    240

    —

    45

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; loam; moderate fine granular structure; friable; 6.0 very fine and fine roots; fragments; neutral, pH 6.7, hellige-truog; abrupt smooth boundary. Lab sample # MU012980
    A—10 to 28 centimeters (3.9 to 11.0 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; loam; weak fine platy parts to moderate fine subangular blocky structure; friable; 0.5 very fine and fine roots; fragments; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # MU012981
    Bw1—28 to 41 centimeters (11.0 to 16.1 inches); dark yellowish brown (10YR 4/6) loam; weak fine subangular blocky structure; friable; 0.5 very fine and fine roots; 6 percent distinct dark brown (10YR 3/3) clay films on faces of peds and in pores; fragments; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # MU012982
    Bw2—41 to 61 centimeters (16.1 to 24.0 inches); dark yellowish brown (10YR 4/6) sandy loam; 1 percent dark grayish brown (10YR 4/2) fine prominent mottles; weak medium subangular blocky structure; friable; 0.5 very fine and fine roots; 6 percent distinct dark brown (10YR 3/3) clay films on faces of peds and in pores; 20-48-75 millimeter sandstone, unspecified fragments; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # MU012983
    BC—61 to 94 centimeters (24.0 to 37.0 inches); yellowish brown (10YR 5/6) very fine sandy loam; 1 percent dark grayish brown (10YR 4/2) fine prominent mottles; weak medium platy parts to moderate medium subangular blocky structure; friable; 0.5 fine roots; subangular 20-48-75 millimeter sandstone, unspecified fragments; neutral, pH 7.2, hellige-truog; abrupt smooth boundary. Lab sample # MU012984. Sandstone fragments are common, soft, and weathered.
    Cr—94 to 152 centimeters (37.0 to 59.8 inches); fragments. soft sandstone; few fine and very fine root mats in horizontal cleavages in the upper part.