IDENTIFIERS

  • Current Taxon Name (Soil Name): Rockwood
  • OSD
  • Series Extent
  • User Site ID: S1980MN153013 (3442)
  • User Pedon ID: S1980MN153013 (3442)
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UMNSSL1
  • Lab Pedon # - UMN3442
  • NCSS Pedon Lab Data NASIS Record ID - 48789
  • 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: 46.0109940
  • Std. Longitude: -95.0201111
  • Datum: WGS84
  • Township: 129N
  • Range: 34W
  • Section: 6
  • PLSS Details: 2200 feet north and 425 feet east of the southwest corner
  • Country: US—United States
  • State: Minnesota
  • County: MN153—Todd
  • MLRA: 57—Northern Minnesota Gray Drift
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-FER—Fergus Falls, Minnesota
  • Non-MLRA Soil Survey Area: MN153—Todd County, Minnesota
  • 7.5 Minute USGS Quad: 46095-A1—Clotho, Minnesota
  • PEDON

  • Describers Name: JRO
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, frigid Alfic Argiudolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: University of Minnesota
  • Correlated Information:
  • Soil Name - Rockwood
  • PSC - 43 to 91 cm.
  • Classificaton Date - 4/1/2013
  • Classifier - Meredith Albers
  • Soil Taxonomic Edition - eleventh edition
  • Sampled As Information:
  • Soil Name - Rockwood
  • Taxon Kind - series
  • Classificaton Date - 12/1/1980
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: not certified
  • QC Status: level 3
  • QA Status: level 2


  • SITE

  • Parent Material: lodgment till
  • Landscape: drumlin field
  • Landform: drumlin
  • Hill Slope Profile: summit
  • Drainage Class: well
  • Geology: Wisconsinan formation.
  • Surface Fragments:
  • Benchmark Soil?: yes
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/1/1980 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    interfingering of albic materials

    densic contact

    densic materials

    0—30

    30—91

    43—81

    109—

    109—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

    680

    140

    5

    Ap—0 to 15 centimeters (0.0 to 5.9 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; sandy loam; weak medium granular structure; friable; 2.0 very fine roots; fragments; strongly acid, pH 5.5; abrupt wavy boundary. Lab sample # MN344201; moist when described;
    A—15 to 30 centimeters (5.9 to 11.8 inches); dark brown (10YR 3/3), grayish brown (10YR 5/2), dry; sandy loam; weak medium subangular blocky parts to weak medium platy structure; friable; 0.5 very fine roots; fragments; strongly acid, pH 5.4; abrupt wavy boundary. Lab sample # MN344202; moist when described;
    B/A—30 to 43 centimeters (11.8 to 16.9 inches); dark yellowish brown (10YR 4/4) sandy loam; moderate medium subangular blocky structure; friable; 0.5 very fine roots; fragments; strongly acid, pH 5.4; clear wavy boundary. Lab sample # MN344203; moist when described;
    Bt1—43 to 56 centimeters (16.9 to 22.0 inches); yellowish brown (10YR 5/4) sandy loam; moderate medium subangular blocky structure; friable; 0.5 very fine roots; pale brown (10YR 6/3), moist, sand coats and 5 percent dark brown (10YR 3/3), moist, clay films on surfaces along pores; fragments; strongly acid, pH 5.3; clear wavy boundary. Lab sample # MN344204; moist when described;
    Bt2—56 to 81 centimeters (22.0 to 31.9 inches); yellowish brown (10YR 5/4) sandy loam; moderate medium subangular blocky structure; friable; 0.1 very fine roots; pale brown (10YR 6/3), moist, sand coats and 30 percent very dark gray (10YR 3/1), moist, clay films on surfaces along pores; fragments; very strongly acid, pH 5.0; clear wavy boundary. Lab sample # MN344205; moist when described;
    Bt3—81 to 91 centimeters (31.9 to 35.8 inches); yellowish brown (10YR 5/4) sandy loam; weak medium subangular blocky structure; friable; 0.1 fine roots; 65 percent very dark gray (10YR 3/1), moist, clay films on surfaces along pores; fragments; strongly acid, pH 5.4; abrupt wavy boundary. Lab sample # MN344206; moist when described;
    BC—91 to 109 centimeters (35.8 to 42.9 inches); pale brown (10YR 6/3) sandy loam; moderate medium subangular blocky parts to moderate coarse platy structure; friable; fragments; strong effervescence; slightly alkaline, pH 7.6; clear wavy boundary. Lab sample # MN344207; moist when described;
    Cd—109 to 152 centimeters (42.9 to 59.8 inches); yellowish brown (10YR 5/4) loamy sand; weak fine subangular blocky structure; friable; fragments; slight effervescence; slightly alkaline, pH 7.4. Lab sample # MN344208; moist when described;