IDENTIFIERS

  • Current Taxon Name (Soil Name): Blackhammer
  • OSD
  • Series Extent
  • User Site ID: S1985IA005007
  • User Pedon ID: S1985IA005007
  • Vegetation Plot ID: S1985IA005007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X3-837C2-1
  • NCSS Pedon Lab Data NASIS Record ID - 75209
  • Print Date: 9/24/2024
  • 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: 43.3401339
  • Std. Longitude: -91.2381489
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 98N
  • Range: 3W
  • Section: 6
  • PLSS Details: 350 feet south and 2150 feet west of the northeast corner
  • Country: US—United States
  • State: Iowa
  • County: IA005—Allamakee
  • MLRA: 105—Upper Mississippi River Bedrock Controlled Uplands and Valleys
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-ONA—Onalaska, Wisconsin
  • Non-MLRA Soil Survey Area: IA005—Allamakee County, Iowa
  • PEDON

  • Describers Name: Robert Vobora
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Pedon PC 6.0B
  • Pedon #: 23
  • Correlated Information:
  • Soil Name - Blackhammer
  • PSC - 23 to 73 cm.
  • Classificaton Date - 9/16/1985
  • Classifier - Robert Vobora
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Blackhammer
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Typic Hapludalfs
  • Taxon Kind - series
  • PSC - 23 to 73 cm.
  • Classificaton Date - 9/16/1985
  • Classifier - Robert Vobora
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Pedon Vegetation and Crop Cover Information:
  • Agronomic Feature - close grown annual crop, or crop-fallow
  • Current Crop - alfalfa
  • Hydric: no
  • Certification Status: not certified
  • QC Status: not reviewed
  • QA Status: not reviewed


  • SITE

  • Parent Material: Peoria silty loess over pedisediment
  • Landscape: upland
  • Landform: ridge
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • Plot/Site Set Up By - Unknown
  • Plot or Site Recorder - Unknown
  • VEGETATION

  • Vegplot Text Note(s): A scan of the original data (i.e. field sheet(s), edits, manuscripts, notes, and other associated data) is available in the scans archive.
  • SITE OBSERVATION

  • Observation Date: 9/16/1985 (actual site observation date)
  • Data Collector: Robert Vobora
  • Surface Water Kind: none observed
  • Hydrology Status: unaltered
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    MEDIC

    Medicago

    alfalfa

    forb

    100

    overstory

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

    ochric epipedon

    argillic horizon

    lithologic discontinuity

    redox depletions with chroma 2 or less

    —-

    —-

    —-

    —-

    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

    7

    0

    899

    155

    8

    22

    -5

    12

    22

    2

    558

    00134624

    LANSING 4 SE, IA US

    NOAA

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark grayish brown (10YR 4/2) and dark yellowish brown (10YR 4/4), light brownish gray (10YR 6/2), dry; silt loam; 23 percent clay; weak fine subangular blocky, and weak very fine subangular blocky structure; friable; common very fine roots and few medium roots and few fine roots; fragments; neutral, pH 6.8, unspecified; abrupt smooth boundary. Lab sample # ISU01547; observed in pit, large or quarry. few pockets and streaks of 10YR4/4
    BE—18 to 23 centimeters (7.1 to 9.1 inches); dark yellowish brown (10YR 4/4) silt loam; 25 percent clay; weak fine platy parts to weak very fine subangular blocky structure; friable; common very fine roots and few fine roots; fragments; slightly acid, pH 6.4, unspecified; clear smooth boundary. Lab sample # ISU01548; observed in pit, large or quarry
    Bt1—23 to 30 centimeters (9.1 to 11.8 inches); dark yellowish brown (10YR 4/4) silty clay loam; 30 percent clay; weak fine subangular blocky, and weak very fine subangular blocky structure; friable; common very fine roots and few fine roots; fragments; neutral, pH 6.8, unspecified; clear smooth boundary. Lab sample # ISU01549; observed in pit, large or quarry
    Bt2—30 to 53 centimeters (11.8 to 20.9 inches); dark yellowish brown (10YR 4/4) silty clay loam; 33 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; friable; common very fine roots and few fine roots; silt coats on all faces of peds; fragments; neutral, pH 6.8, unspecified; gradual smooth boundary. Lab sample # ISU01550, ISU01551; observed in pit, large or quarry. common gray silt coats on ped faces when dry
    Bt3—53 to 81 centimeters (20.9 to 31.9 inches); dark yellowish brown (10YR 4/6) silty clay loam; 34 percent clay; weak fine prismatic parts to moderate fine subangular blocky, and weak medium prismatic parts to moderate medium subangular blocky structure; friable; common very fine roots; silt coats on all faces of peds and organic stains on all faces of peds and dark yellowish brown (10YR 4/4), moist, coats on all faces of peds; fragments; moderately acid, pH 6.0, unspecified; clear smooth boundary. Lab sample # ISU01552, ISU01553; observed in pit, large or quarry. common gray silt coats on ped faces when dry, common dark organic stains on ped faces, common v fine soft black oxides
    Bt4—81 to 94 centimeters (31.9 to 37.0 inches); yellowish brown (10YR 5/4) silty clay loam; 37 percent clay; strong brown (7.5YR 4/6) medium prominent and light brownish gray (10YR 6/2) medium prominent mottles; moderate coarse subangular blocky, and moderate medium subangular blocky structure; firm; few very fine roots; organic stains on all faces of peds and brown (10YR 4/3), moist, and dark brown (10YR 3/3), moist, clay films on all faces of peds; fragments; neutral, pH 7.0, unspecified; abrupt wavy boundary. Lab sample # ISU01554; observed in pit, large or quarry. continuous - phpvsfiid 1181136; continuous - phpvsfiid 1181136
    2BC—94 to 152 centimeters (37.0 to 59.8 inches); yellowish brown (10YR 5/4) and dark yellowish brown (10YR 4/4) and strong brown (7.5YR 4/6) and yellowish red (5YR 4/6) stratified stratified fine sand to loamy fine sand to fine sandy loam to sandy clay loam to silt loam to clay to clay loam to loam;—Error in Exists On—; friable; limestone, unspecified fragments observed by visual inspection method and shale, unspecified fragments observed by visual inspection method and dolomite (dolostone) fragments observed by visual inspection method and 90 percent by volume sandstone, unspecified fragments observed by visual inspection method; slightly alkaline, pH 7.8, unspecified. Lab sample # ISU01555, ISU01556; observed in pit, large or quarry. 75-90% coarse fragments sandstone, limestone, dolomite, thin layers of greenish shal, dark thin clay layer on some faces coarse fragments range from 1/2 to 7 inch diameter, stratified pockets and layers, massive to 1m and f sbk in finer texture