IDENTIFIERS

  • Current Taxon Name (Soil Name): Rolfe
  • OSD
  • Series Extent
  • User Site ID: S1994IA041004
  • User Pedon ID: S1994IA041004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 95P0228
  • NCSS Pedon Lab Data NASIS Record ID - 67246
  • Print Date: 11/12/2024

    • 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: 43.1602745
  • Std. Longitude: -94.9641571
  • Datum: WGS84
  • Township: 96N
  • Range: 35W
  • Section: 3
  • PLSS Details: 1056 feet south and 96 feet west of the center
  • Location Description: About 3 miles east and 2 miles north of Dickens.
  • State: Iowa
  • County: IA041—Clay
  • MLRA: 103—Central Iowa and Minnesota Till Prairies
  • Non-MLRA Soil Survey Area: IA041—Clay County, Iowa

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, mesic Typic Argialbolls
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Rolfe
  • Classificaton Date - 3/6/2015
  • Classifier - Myles Elsen
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Rolfe
  • Taxonomic Class - Fine, montmorillonitic, mesic Typic Argialbolls
  • PSC - 36 to 76 cm.
  • Classificaton Date - 4/4/1994
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1


    • SITE

  • Landscape: till plain
  • Landform: depression
  • Runoff: low
  • Drainage Class: very poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/4/1994 (actual site observation date)
  • 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

    1

    —

    —

    —

    —

    762

    —

    —

    8.3

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; moderate fine and medium subangular blocky structure; friable; fragments; strongly acid, pH 5.3, hellige-truog; abrupt smooth boundary. Lab sample # 95P01486. 7 to 10 inches thick.
    E—23 to 36 centimeters (9.1 to 14.2 inches); dark gray (10YR 4/1) silt loam; dark yellowish brown (10YR 4/4) and 3 percent gray (10YR 5/1) fine faint and 3 percent dark yellowish brown (10YR 3/4) fine distinct mottles; moderate medium platy, and moderate thick platy structure; friable; 3.0 fine tubular pores; fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # 95P01487. 4 to 12 inches thick.
    Btg1—36 to 48 centimeters (14.2 to 18.9 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay; dark yellowish brown (10YR 4/4) and 1 percent strong brown (7.5YR 5/6) fine distinct mottles; strong very fine and fine angular blocky, and subangular blocky structure; firm; faint clay films on faces of peds; fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 95P01488. continuous - phpvsfiid 1363299; continuous - phpvsfiid 1363299
    Btg2—48 to 71 centimeters (18.9 to 28.0 inches); very dark gray (5Y 3/1) and 30 percent olive gray (5Y 5/2) clay; yellowish brown (10YR 5/8) and strong brown (7.5YR 5/8) and 1 percent yellowish brown (10YR 5/6) fine distinct mottles; strong very fine and fine angular blocky, and subangular blocky structure; firm; faint clay films on faces of peds; fragments; neutral, pH 6.9, hellige-truog; gradual smooth boundary. Lab sample # 95P01489. continuous - phpvsfiid 1363300; continuous - phpvsfiid 1363300
    2Btg3—71 to 97 centimeters (28.0 to 38.2 inches); dark gray (5Y 4/1) and olive gray (5Y 5/2) and olive (5Y 5/3) clay loam; strong brown (7.5YR 5/8) and 3 percent strong brown (7.5YR 5/6) fine distinct mottles; moderate fine and medium subangular blocky structure; friable; faint clay films on faces of peds; fragments; neutral, pH 6.9, hellige-truog; gradual smooth boundary. Lab sample # 95P01490. patchy - phpvsfiid 1363301; patchy - phpvsfiid 1363301
    2Btg4—97 to 135 centimeters (38.2 to 53.1 inches); olive gray (5Y 4/2) clay loam; yellowish brown (10YR 5/8) and strong brown (7.5YR 5/6) and strong brown (7.5YR 5/8) and 3 percent yellowish brown (10YR 5/6) fine distinct mottles; weak fine and medium subangular blocky structure; friable; faint clay films on faces of peds; fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. Lab sample # 95P01491. Combined thickness of the Btg horizons is 25 to 38 inches.; discontinuous - phpvsfiid 1363302; discontinuous - phpvsfiid 1363302
    2BCg—135 to 155 centimeters (53.1 to 61.0 inches); olive gray (5Y 5/2) clay loam; 3 percent strong brown (7.5YR 5/8) fine distinct and 21 percent yellowish brown (10YR 5/6) fine distinct mottles; massive; friable; fragments; strong effervescence; moderately alkaline, pH 8.1, hellige-truog. Lab sample # 95P01492
    2Cg1—155 to 191 centimeters (61.0 to 75.2 inches); olive gray (5Y 5/2) loam; massive; friable; fragments; strong effervescence; moderately alkaline, pH 8.1, hellige-truog. Lab sample # 95P01493
    2Cg2—191 to 203 centimeters (75.2 to 79.9 inches); light olive brown (2.5Y 5/6) and olive gray (5Y 5/2) loam; massive; friable; fragments; strong effervescence; moderately alkaline, pH 8.1, hellige-truog. Lab sample # 95P01494