IDENTIFIERS

  • Current Taxon Name (Soil Name): Rockwood
  • OSD
  • Series Extent
  • User Site ID: S1981MN159430
  • User Pedon ID: S1981MN159430
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - UMNSSL2
  • Lab Pedon # - UMN0430
  • NCSS Pedon Lab Data NASIS Record ID - 82776
  • Print Date: 11/21/2024

    • 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: 46.5238878
  • Std. Longitude: -95.0113012
  • Datum: WGS84
  • Township: 135N
  • Range: 34W
  • Section: 7
  • PLSS Details: 2540 feet south and 900 feet west of the northeast corner
  • Country: US—United States
  • State: Minnesota
  • County: MN159—Wadena
  • 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: MN159—Wadena County, Minnesota
  • 7.5 Minute USGS Quad: 46095-E1—Blue Grass, Minnesota

    • PEDON

  • Describers Name: Orville D. Friedrich
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, frigid Haplic Glossudalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Rockwood
  • PSC - 38 to 88 cm.
  • Classificaton Date - 3/19/2013
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Pedon Vegetation and Crop Cover Information:
  • Current Crop - alfalfa
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: not reviewed


    • SITE

  • Parent Material: lodgment till
  • Landscape: drumlin field
  • Landform: drumlin
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: yes

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1962 (actual site observation date)
  • Data Collector: RC
  • Air Photo ID: 1221
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    ochric epipedon

    albic horizon

    glossic horizon

    argillic horizon

    0—38

    15—38

    38—81

    38—142

    —38—

    —23—

    —23—

    —104—
    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

    12

    —

    —

    —

    —

    135

    680

    —

    140

    5

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) sandy loam; weak medium granular structure; very friable; common roots; fragments; moderately acid, pH 6.0; abrupt smooth boundary. Lab sample # MN500080
    E1—15 to 28 centimeters (5.9 to 11.0 inches); dark grayish brown (10YR 4/2) sandy loam; weak coarse platy, and weak very coarse platy structure; friable; common roots; 15 percent by volume nonflat subrounded indurated 20-50-75 millimeter mixed fragments observed by visual inspection method and 15 percent by volume nonflat subrounded indurated 75-125-250 millimeter mixed fragments observed by visual inspection method; slightly acid, pH 6.2; clear smooth boundary. Lab sample # MN500081. numerous cobble and coarse gravel
    E2—28 to 38 centimeters (11.0 to 15.0 inches); 70 percent dark grayish brown (10YR 4/2) and 30 percent brown (10YR 5/3) loamy sand; weak coarse platy, and weak very coarse platy structure; friable; common roots; fragments; slightly acid, pH 6.4; clear wavy boundary. Lab sample # MN500082. few small B remnants present
    B/E1, B part—38 to 64 centimeters (15.0 to 25.2 inches); 30 percent dark yellowish brown (10YR 3/4) and 25 percent dark yellowish brown (10YR 4/4) sandy loam; moderate medium subangular blocky structure; friable; common roots; clay films; fragments; slightly acid, pH 6.4; gradual wavy boundary. Lab sample # MN500083. thin patchy clay films on some peds, some cementation, pyrite crystals present
    B/E1, E part—38 to 64 centimeters (15.0 to 25.2 inches); 20 percent brown (10YR 4/3) loamy sand; moderate medium subangular blocky structure; friable; common roots; clay films; fragments; slightly acid, pH 6.4; gradual wavy boundary. Lab sample # MN500084. thin patchy clay films on some peds, some cementation, pyrite crystals present
    B/E2, E part—64 to 81 centimeters (25.2 to 31.9 inches); 40 percent pale brown (10YR 6/3) loamy sand; weak medium subangular blocky, and moderate medium subangular blocky structure; firm; common roots; clay films; fragments; slightly acid, pH 6.2; gradual wavy boundary. Lab sample # MN500086. loamy sand E tonguing into horizon, thin patchy clay films present, some cementation
    B/E2, B part—64 to 81 centimeters (25.2 to 31.9 inches); 30 percent dark yellowish brown (10YR 3/4) and 30 percent dark yellowish brown (10YR 4/4) sandy loam; weak medium subangular blocky, and moderate medium subangular blocky structure; firm; common roots; clay films; fragments; slightly acid, pH 6.2; gradual wavy boundary. Lab sample # MN500085. loamy sand E tonguing into horizon, thin patchy clay films present, some cementation
    Bt1—81 to 107 centimeters (31.9 to 42.1 inches); yellowish brown (10YR 5/4) and dark yellowish brown (10YR 4/4) sandy loam; weak medium angular blocky structure; very friable; fragments; neutral, pH 6.8; gradual wavy boundary. Lab sample # MN500087. slight E tonguing and some lighter colored seams present
    Bt2—107 to 127 centimeters (42.1 to 50.0 inches); light olive brown (2.5Y 5/4) and olive brown (2.5Y 4/4) sandy loam; weak medium angular blocky structure; very friable; fragments; neutral, pH 6.8; abrupt smooth boundary. Lab sample # MN500088. no tonguing present, some few, fine, faint mottles perhaps relict
    Bt3—127 to 142 centimeters (50.0 to 55.9 inches); dark yellowish brown (10YR 4/4) sandy loam; moderate medium angular blocky structure; firm; clay films; fragments; slightly acid, pH 6.5; abrupt smooth boundary. Lab sample # MN500089. horizontal fracture plane; some mottles
    C—142 to 152 centimeters (55.9 to 59.8 inches); light olive brown (2.5Y 5/4) sandy loam; structureless massive; very friable; spherical carbonate masses; fragments; slight effervescence. Lab sample # MN500090. some rounded lime fragments present