IDENTIFIERS

  • Current Taxon Name (Soil Name): Rockwood
  • OSD
  • Series Extent
  • User Site ID: S1981MN153005
  • User Pedon ID: S1981MN153005
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 82P0065
  • NCSS Pedon Lab Data NASIS Record ID - 50305
  • 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: 46.2521657
  • Std. Longitude: -95.0047698
  • Datum: WGS84
  • Township: 132N
  • Range: 34W
  • Section: 18
  • PLSS Details: 15 meters south and 366 meters west of the northeast 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-C1—Bertha, Minnesota

    • PEDON

  • Describers Name: Edward L. Bruns, Michael L. Lieser
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, frigid Haplic Glossudalfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Dense Till Study-Original full pedon description SCS-232C
  • Correlated Information:
  • Soil Name - Rockwood (flagged as OSD)
  • PSC - 40 to 90 cm.
  • Classificaton Date - 3/7/2013
  • Classifier - Meredith Albers
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Rockwood
  • Taxonomic Class - Coarse-loamy Mollic Eutroboralfs
  • Taxon Kind - series
  • Classificaton Date - 10/6/1981
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/1/1981 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    densic material

    —

    116 - 305

    - 189 -

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    albic horizon

    glossic horizon

    argillic horizon

    densic contact

    densic materials

    0—40

    20—40

    40—95

    40—116

    116—116

    116—305

    —40—

    —20—

    —55—

    —76—

    —-

    —189—
    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

    —

    —

    —

    —

    180

    680

    —

    140

    5

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); black (10YR 2/1) interior, dark gray (10YR 4/1) interior, dry; sandy loam; weak fine subangular blocky structure; friable; common medium roots and common fine roots; 3 percent by volume nonflat subrounded noncoherent cemented 20-50-75 millimeter mixed fragments observed by visual inspection method and 5 percent by volume nonflat subrounded noncoherent cemented 2-15-20 millimeter mixed fragments observed by visual inspection method; strongly acid, pH 5.5; abrupt smooth boundary. Lab sample # MN351201, 82P00316
    E—20 to 40 centimeters (7.9 to 15.7 inches); brown (10YR 4/3) interior sandy loam; weak medium platy structure; friable; common fine roots; 4 percent by volume nonflat subrounded noncoherent cemented 2-15-20 millimeter mixed fragments observed by visual inspection method and 5 percent by volume nonflat subrounded noncoherent cemented 20-50-75 millimeter mixed fragments observed by visual inspection method; slightly acid, pH 6.2; clear smooth boundary. Lab sample # MN351202, 82P00317
    B/E1—40 to 62 centimeters (15.7 to 24.4 inches); dark yellowish brown (10YR 4/4) interior and brown (10YR 4/3) interior sandy loam; weak fine subangular blocky structure; friable; few fine roots; 30 percent faint light brownish gray (10YR 6/2), dry, skeletans on all faces of peds; 5 percent by volume nonflat subrounded noncoherent cemented 2-15-20 millimeter mixed fragments observed by visual inspection method and 8 percent by volume nonflat subrounded noncoherent cemented 20-50-75 millimeter mixed fragments observed by visual inspection method; slightly acid, pH 6.3; clear wavy boundary. Lab sample # MN351203, 82P00318
    B/E2—62 to 95 centimeters (24.4 to 37.4 inches); dark yellowish brown (10YR 4/4) interior and brown (10YR 4/3) interior sandy loam; weak medium subangular blocky structure; friable; few fine roots; 30 percent faint light brownish gray (10YR 6/2), dry, skeletans on all faces of peds and 30 percent faint dark brown (10YR 3/3), moist, clay films on all faces of peds; 5 percent by volume nonflat subrounded noncoherent cemented 2-15-20 millimeter mixed fragments observed by visual inspection method and 5 percent by volume nonflat subrounded noncoherent cemented 20-50-75 millimeter mixed fragments observed by visual inspection method; slightly acid, pH 6.3; clear wavy boundary. Lab sample # MN351204, 82P00319. discontinuous - phpvsfiid 1112144; discontinuous - phpvsfiid 1112144
    Bt—95 to 116 centimeters (37.4 to 45.7 inches); dark yellowish brown (10YR 4/4) interior sandy loam; moderate fine subangular blocky structure; firm; brittle; few fine roots; 30 percent faint dark yellowish brown (10YR 3/4), moist, clay films on all faces of peds and 30 percent faint very dark grayish brown (10YR 3/2), moist, clay films on surfaces along pores; 5 percent by volume nonflat subrounded noncoherent cemented 2-15-20 millimeter mixed fragments observed by visual inspection method and 5 percent by volume nonflat subrounded noncoherent cemented 20-50-75 millimeter mixed fragments observed by visual inspection method; slightly acid, pH 6.2; clear wavy boundary. Lab sample # MN351205, 82P00320
    BCdk—116 to 178 centimeters (45.7 to 70.1 inches); yellowish brown (10YR 5/4) interior sandy loam; moderate fine platy structure; firm; brittle; 11 percent very pale brown (10YR 7/3), dry, carbonate concretions on horizontal faces of peds; 5 percent by volume nonflat subrounded noncoherent cemented 2-15-20 millimeter mixed fragments observed by visual inspection method and 5 percent by volume nonflat subrounded noncoherent cemented 20-50-75 millimeter mixed fragments observed by visual inspection method and 5 percent by volume nonflat subrounded noncoherent cemented 75-150-250 millimeter mixed fragments observed by visual inspection method; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.6; gradual smooth boundary. Lab sample # MN351206, 82P00321. Structure units are till fragments.
    Cd1—178 to 225 centimeters (70.1 to 88.6 inches); yellowish brown (10YR 5/4) interior sandy loam; moderate medium platy structure; firm; brittle; 5 percent by volume nonflat subrounded noncoherent cemented 2-15-20 millimeter mixed fragments observed by visual inspection method and 5 percent by volume nonflat subrounded noncoherent cemented 20-50-75 millimeter mixed fragments observed by visual inspection method; slight effervescence, by hcl, 1n; moderately alkaline, pH 7.9; clear smooth boundary. Lab sample # MN351207, 82P00322. Structure units are till fragments.
    Cd2—225 to 270 centimeters (88.6 to 106.3 inches); yellowish brown (10YR 5/4) interior sandy loam; strong medium platy structure; very firm; brittle; 5 percent by volume nonflat subrounded noncoherent cemented 2-15-20 millimeter mixed fragments observed by visual inspection method and 5 percent by volume nonflat subrounded noncoherent cemented 20-50-75 millimeter mixed fragments observed by visual inspection method; strong effervescence, by hcl, 1n; moderately alkaline, pH 7.9; clear smooth boundary. Lab sample # MN351208, 82P00323. Structure units are till fragments.
    Cd3—270 to 305 centimeters (106.3 to 120.1 inches); yellowish brown (10YR 5/4) interior sandy loam; strong coarse platy structure; very firm; brittle; dark yellowish brown (10YR 4/4), moist, coats on faces of peds; 5 percent by volume nonflat subrounded noncoherent cemented 2-15-20 millimeter mixed fragments observed by visual inspection method and 5 percent by volume nonflat subrounded noncoherent cemented 20-50-75 millimeter mixed fragments observed by visual inspection method; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0. Lab sample # MN351209, 82P00324. Structure units are till fragments.