IDENTIFIERS

  • Current Taxon Name (Soil Name): LOURDES
  • OSD
  • Series Extent
  • User Site ID: S1956IA089007
  • User Pedon ID: S1956IA089007
  • Vegetation Plot ID: S1956IA089007
  • User Site Association ID: NC-WAV_Lourdes_Pedons
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1416
  • NCSS Pedon Lab Data NASIS Record ID - 35024
  • Print Date: 3/2/2025

    • 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: 43.3433342
  • Std. Longitude: -92.3769455
  • Datum: WGS84
  • Township: 99N
  • Range: 13W
  • Section: 33
  • PLSS Details: 410 feet north and 195 feet west of southeast corner
  • State: Iowa
  • County: IA089—Howard
  • MLRA: 104—Eastern Iowa and Minnesota Till Prairies
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-WAV—Waverly, Iowa
  • Non-MLRA Soil Survey Area: IA089—Howard County, Iowa

    • PEDON

  • Describers Name: L. E. Tyler
  • Current Taxonomic Class: Fine-loamy, mixed, mesic Aquollic Hapludalfs
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - LOURDES
  • PSC - 28 to 78 cm.
  • Classificaton Date - 7/16/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Lourdes
  • Classificaton Date - 10/15/1956
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: till
  • Landform: ridge
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Surface Fragments: 1.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/15/1956 (actual site observation date)
  • Surface Cover Properties:
  • 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

    TRPR2

    Trifolium pratense

    red clover

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    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

    3

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); black (10YR 2/1) and black (10YR 2/1) crushed and very dark gray (10YR 3/1) crushed silt loam; moderate fine granular structure; friable; fragments; abrupt boundary. Lab sample # 40A10893
    A21—18 to 28 centimeters (7.1 to 11.0 inches); very dark gray (10YR 3/1) and dark grayish brown (10YR 4/2) and dark grayish brown (10YR 4/2) crushed silt loam; 3 percent yellowish brown (10YR 5/6) medium distinct mottles; weak very fine platy structure; friable; worm casts; fragments; gradual boundary. Lab sample # 40A10894
    A22—28 to 38 centimeters (11.0 to 15.0 inches); dark grayish brown (10YR 4/2) and brown (10YR 4/3) crushed clay loam; 3 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate very fine and fine subangular blocky structure; friable; worm casts; fragments; gradual boundary. Lab sample # 40A10895. Pebble band commences at base of this horizon.
    IIB21—38 to 51 centimeters (15.0 to 20.1 inches); dark gray (10YR 4/1) and dark yellowish brown (10YR 4/6) crushed and yellowish brown (10YR 5/6) crushed clay loam; 21 percent strong brown (7.5YR 5/6) medium prominent mottles; moderate and strong very fine subangular blocky structure; firm; fragments; clear boundary. Lab sample # 40A10896. Pebble band through this horizon.
    IIB22—51 to 66 centimeters (20.1 to 26.0 inches); dark gray (2.5Y 4/1) and strong brown (7.5YR 5/6) interior and dark gray (2.5Y 4/1) interior and yellowish brown (10YR 5/6) crushed clay loam; brown (7.5YR 4/2) medium distinct and brown (7.5YR 4/4) medium distinct and 1 percent dark grayish brown (10YR 4/2) medium faint mottles; moderate medium prismatic parts to strong medium angular blocky structure; firm; dark gray (2.5Y 4/1), moist, coats on faces of peds; fragments; gradual boundary. Lab sample # 40A10897. Very dark gray (N 3/0 moist) coats of transported clay.; continuous - phpvsfiid 186191; continuous - phpvsfiid 186191
    IIB23—66 to 84 centimeters (26.0 to 33.1 inches); dark gray (2.5Y 4/1) and dark gray (2.5Y 4/1) interior and yellowish brown (10YR 5/6) interior and yellowish brown (10YR 5/4) crushed clay loam; 3 percent brown (10YR 4/3) medium distinct mottles; moderate medium and coarse prismatic parts to moderate coarse angular blocky structure; firm; fragments; diffuse boundary. Lab sample # 40A10898. Very dark gray (n 3/0 moist) transported clay present in root channels and as network on peds.
    IIB3—84 to 97 centimeters (33.1 to 38.2 inches); gray (5Y 5/1) and yellowish brown (10YR 5/6) interior and gray (2.5Y 5/1) interior and yellowish brown (10YR 5/4) crushed clay loam; 3 percent yellowish brown (10YR 5/4) medium distinct mottles; weak medium and coarse prismatic parts to weak coarse angular blocky structure; firm; fragments; clear boundary. Lab sample # 40A10899. Very dark gray (N 3/0 moist) transported clay in streaks on ped surfaces and in root channels; this horizon and all above are leached.
    IIC11—97 to 117 centimeters (38.2 to 46.1 inches); gray (5Y 5/1) and gray (5Y 6/1) and dark yellowish brown (10YR 4/4) interior and dark yellowish brown (10YR 4/6) interior and dark gray (2.5Y 4/1) interior and yellowish brown (10YR 5/6) crushed clay loam; weak coarse prismatic structure; firm; fragments; diffuse boundary. Lab sample # 40A10900. Vertical cleavage faces with transported clay streaks dark gray (N 3/0 to 4/0 moist) color; a few large root channels filled with dark gray (N 3/0 moist) transported clay; unleached.
    IIC12—117 to 142 centimeters (46.1 to 55.9 inches); 60 percent brown (10YR 4/3) and 40 percent gray (5Y 5/1) and yellowish brown (10YR 5/4) crushed clay loam; massive; firm; fragments; diffuse boundary. Lab sample # 40A10901. Vertical cleavage faces very dark gray (N 3/0 to 4/0); less transported clay than above horizon; unleached.
    IIC13—142 to 168 centimeters (55.9 to 66.1 inches); 60 percent brown (10YR 4/3) and 40 percent gray (5Y 5/1) and yellowish brown (10YR 5/4) crushed clay loam; massive; firm; 3.0 coarse tubular pores; fragments. Lab sample # 40A10902. Pores filled with transported clay; unleached.