IDENTIFIERS

  • Current Taxon Name (Soil Name): Smithland
  • OSD
  • Series Extent
  • User Site ID: S1998IA047001L
  • User Pedon ID: S1998IA047001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 98P0542
  • NCSS Pedon Lab Data NASIS Record ID - 10812
  • Print Date: 2/17/2025

    • 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: 41.9307251
  • Std. Longitude: -95.5125580
  • Datum: WGS84
  • Township: 82N
  • Range: 40W
  • Section: 9
  • PLSS Details: 2050 feet South and 1550 feet East of the northwest corner
  • State: Iowa
  • County: IA047—Crawford
  • MLRA: 107—Iowa and Missouri Deep Loess Hills
  • Non-MLRA Soil Survey Area: IA047—Crawford County, Iowa
  • 7.5 Minute USGS Quad: 41095-H5—Dunlap NE, Iowa

    • PEDON

  • Describers Name: SRS
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aquic Cumulic 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
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Smithland
  • Classificaton Date - 9/7/2004
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - SMITHLAND
  • Classificaton Date - 7/14/1998
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: valley
  • Landform: flood plain
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/14/1998 (actual site observation date)
  • Air Photo ID: 93
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 10 centimeters (0.0 to 3.9 inches); black (10YR 2/1) silty clay loam; weak fine and medium subangular blocky parts to moderate fine granular structure; friable; 25.0 very fine and fine roots throughout; 10.0 very fine and fine moderate-continuity constricted tubular pores; fragments; abrupt boundary. Lab sample # 98P03146
    Ap2—10 to 23 centimeters (3.9 to 9.1 inches); black (10YR 2/1) silty clay loam; weak fine and medium subangular blocky parts to weak fine granular structure; friable; 25.0 very fine and fine roots throughout; 10.0 very fine moderate-continuity constricted tubular pores; fragments; abrupt boundary. Lab sample # 98P03147
    A1—23 to 46 centimeters (9.1 to 18.1 inches); black (10YR 2/1) silty clay loam; moderate fine subangular blocky parts to moderate fine granular structure; friable; 3.0 very fine roots throughout; 10.0 very fine and fine high-continuity tubular pores; fragments; clear boundary. Lab sample # 98P03148
    A2—46 to 66 centimeters (18.1 to 26.0 inches); black (10YR 2/1) silty clay loam; moderate fine and medium subangular blocky parts to moderate fine granular structure; friable; 3.0 very fine roots throughout; 10.0 very fine and fine high-continuity tubular pores; fragments; clear boundary. Lab sample # 98P03149
    A3—66 to 84 centimeters (26.0 to 33.1 inches); very dark gray (2.5Y 3/1) silty clay loam; 1 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate fine and medium subangular blocky structure; firm; 3.0 very fine roots throughout; 10.0 very fine and fine moderate-continuity tubular pores; fragments; clear boundary. Lab sample # 98P03150
    Bg1—84 to 104 centimeters (33.1 to 40.9 inches); very dark gray (2.5Y 3/1) silty clay; 15 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate fine and medium subangular blocky structure; firm; 3.0 very fine roots throughout; 10.0 very fine and fine moderate-continuity tubular pores; fragments; gradual boundary. Lab sample # 98P03151
    Bg2—104 to 135 centimeters (40.9 to 53.1 inches); very dark gray (2.5Y 3/1) silty clay; 15 percent strong brown (7.5YR 4/6) fine prominent mottles; weak fine and medium subangular blocky structure; firm; 0.9 very fine roots throughout; 10.0 very fine and fine moderate-continuity tubular pores; fragments; gradual boundary. Lab sample # 98P03152
    Bg3—135 to 165 centimeters (53.1 to 65.0 inches); very dark gray (2.5Y 3/1) silty clay; 15 percent strong brown (7.5YR 4/6) fine prominent mottles; weak fine and medium subangular blocky structure; firm; 0.9 very fine roots throughout; 3.0 very fine and fine moderate-continuity tubular pores; fragments; gradual boundary. Lab sample # 98P03153
    Bg4—165 to 203 centimeters (65.0 to 79.9 inches); very dark gray (2.5Y 3/1) silty clay; 15 percent strong brown (7.5YR 4/6) fine prominent mottles; weak fine and medium subangular blocky structure; firm; 3.0 very fine and fine moderate-continuity tubular pores; fragments. Lab sample # 98P03154