IDENTIFIERS

  • Current Taxon Name (Soil Name): Rathbun
  • OSD
  • Series Extent
  • User Site ID: 1979IA007057
  • User Pedon ID: 1979IA007057
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1500
  • NCSS Pedon Lab Data NASIS Record ID - 35108
  • Print Date: 11/23/2024

    • 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: 40.7882100
  • Std. Longitude: -92.9846300
  • Datum: WGS84
  • Map Unit: 532C2—Rathbun silty clay loam, 5 to 9 percent slopes, moderately eroded
  • State: Iowa
  • County: IA007—Appanoose
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Non-MLRA Soil Survey Area: IA007—Appanoose County, Iowa

    • PEDON

  • Describers Name: DL
  • Current Taxonomic Class: Fine, smectitic, mesic Aeric Ochraqualfs
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Rathbun
  • PSC - 43 to 93 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Rathbun
  • Classificaton Date - 11/1/1969
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Slope Shape Down: convex
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/20/2015 (entry creation date)
  • Plant Association Name: Woods
  • 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

    3

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    A—0 to 10 centimeters (0.0 to 3.9 inches); very dark gray (10YR 3/1) and dark grayish brown (10YR 4/2) crushed, light brownish gray (10YR 6/2), dry; silty clay loam; weak thin platy structure; friable; fragments; strongly acid, pH 5.3, unspecified; abrupt smooth boundary. Lab sample # 40A11723
    Bt1—10 to 43 centimeters (3.9 to 16.9 inches); yellowish brown (10YR 5/4) and pale brown (10YR 6/3), light gray (10YR 7/1), dry; silty clay; strong very fine subangular blocky, and strong very fine angular blocky structure; firm; pale brown (10YR 6/3) coats on faces of peds and light gray (10YR 7/1), dry, coats; fragments; strongly acid, pH 5.3, unspecified; abrupt smooth boundary. Lab sample # 40A11725. continuous - phpvsfiid 1427705; continuous - phpvsfiid 1427705
    Bt2—43 to 58 centimeters (16.9 to 22.8 inches); brown (10YR 4/3) and dark grayish brown (10YR 4/2) silty clay; 1 percent grayish brown (2.5Y 5/2) fine distinct mottles; moderate fine subangular blocky structure; very firm; dark grayish brown (10YR 4/2) coats on faces of peds and faint clay films and 15 percent dark brown (7.5YR 3/2) oxide coats; fragments; strongly acid, pH 5.3, unspecified; gradual smooth boundary. Lab sample # 40A11726. continuous - phpvsfiid 1427707; continuous - phpvsfiid 1427707
    Bt3—58 to 74 centimeters (22.8 to 29.1 inches); brown (10YR 4/3) and dark grayish brown (10YR 4/2) silty clay; 1 percent grayish brown (2.5Y 5/2) fine distinct and 1 percent dark brown (10YR 3/3) fine faint mottles; weak coarse prismatic parts to moderate medium subangular blocky structure; very firm; dark grayish brown (10YR 4/2) coats on faces of peds and faint clay films and 15 percent dark brown (7.5YR 3/2) oxide coats; fragments; moderately acid, pH 5.8, unspecified; gradual smooth boundary. Lab sample # 40A11727. continuous - phpvsfiid 1427710; continuous - phpvsfiid 1427710
    Bt4—74 to 91 centimeters (29.1 to 35.8 inches); grayish brown (2.5Y 5/2) and brown (10YR 4/3) silty clay; 1 percent dark brown (10YR 3/3) fine and medium faint and 1 percent dark yellowish brown (10YR 3/4) fine and medium faint mottles; weak coarse prismatic parts to weak and moderate medium subangular blocky structure; firm; 3 percent light gray (10YR 7/2) silt coats and 15 percent clay films and 15 percent dusky red (2.5YR 3/2) oxide coats; fragments; moderately acid, pH 5.8, unspecified; gradual boundary. Lab sample # 40A11728. discontinuous - phpvsfiid 1427712; patchy - phpvsfiid 1427714; discontinuous - phpvsfiid 1427712; patchy - phpvsfiid 1427714
    Bt5—91 to 109 centimeters (35.8 to 42.9 inches); grayish brown (2.5Y 5/2) silty clay loam, silty clay; 10 percent dark yellowish brown (10YR 4/4) fine distinct and 10 percent strong brown (7.5YR 5/6) fine distinct mottles; weak coarse prismatic parts to weak medium subangular blocky structure; firm; 3 percent light gray (10YR 7/2) silt coats and 15 percent faint clay films and 15 percent dark reddish brown (5YR 2/2) oxide coats and 15 percent dusky red (2.5YR 3/2) oxide coats; fragments; moderately acid, pH 5.8, unspecified; gradual boundary. Lab sample # 40A11729. clay fills along root channels.; discontinuous - phpvsfiid 1427715; discontinuous - phpvsfiid 1427715
    BC—109 to 142 centimeters (42.9 to 55.9 inches); grayish brown (2.5Y 5/2) and yellowish brown (10YR 5/4) and strong brown (7.5YR 5/6) silty clay loam; weak medium prismatic structure; firm; faint light gray (10YR 7/1) silt coats on faces of peds and manganese or iron-manganese stains on vertical faces of peds and manganese or iron-manganese stains in root channels and/or pores and 37 percent dark brown (7.5YR 3/2) oxide coats; fragments; neutral, pH 6.9, unspecified; gradual boundary. Lab sample # 40A11730. few clay flows along root channels.; discontinuous - phpvsfiid 1427719; discontinuous - phpvsfiid 1427719
    C1—142 to 165 centimeters (55.9 to 65.0 inches); light brownish gray (2.5Y 6/2) and yellowish brown (10YR 5/6) and strong brown (7.5YR 5/6) silty clay loam; massive; light gray (10YR 7/1) silt coats on faces of peds and dark reddish brown (5YR 2/2) manganese or iron-manganese stains on faces of peds; 25 percent weakly coherent cemented dark brown (7.5YR 3/2) dark concretions; fragments; neutral, pH 6.9, unspecified; gradual boundary. Lab sample # 40A11731. vertical cleavage.; discontinuous - phpvsfiid 1427723; discontinuous - phpvsfiid 1427723
    C2—165 to 178 centimeters (65.0 to 70.1 inches); light brownish gray (2.5Y 6/2) and yellowish brown (10YR 5/6) and strong brown (7.5YR 5/6) silt loam; massive; 15 percent manganese or iron-manganese stains on vertical faces of peds and 55 percent dark brown (7.5YR 3/2) oxide coats and 55 percent dark reddish brown (5YR 2/2) oxide coats; fragments; neutral, pH 6.9, unspecified. Lab sample # 40A11732. vertical cleavage.