IDENTIFIERS

  • Current Taxon Name (Soil Name): Roxbury
  • OSD
  • Series Extent
  • User Site ID: S2019KS083101
  • User Pedon ID: S2019KS083101
  • User Site Association ID: DSP-KS19-R
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Pedon # - 19N0634
  • User Project ID: FY19RND3
  • Project Name: MLRA 73 - Benchmark Soils Roxbury FY19 Phase 1
  • Print Date: 12/6/2025
  • 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: 38.0872920
  • Std. Longitude: -99.7166580
  • Datum: WGS84
  • Township: 23
  • Range: 22
  • Section: 3
  • PLSS Details: 1945 feet east and 1375 feet north of the SW corner
  • Map Unit: 2375—Roxbury silt loam, rarely flooded2375—Roxbury silt loam, rarely flooded
  • Country: US—United States
  • State: Kansas
  • County: KS083—Hodgeman
  • MLRA: 73—Rolling Plains and Breaks
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-HAY—Hays, Kansas
  • Non-MLRA Soil Survey Area: KS083—Hodgeman County, Kansas
  • 7.5 Minute USGS Quad: 38099-A6—Hanston, Kansas
  • PEDON

  • Describers Name: L. Bricknell
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Cumulic Haplustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Roxbury
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Cumulic Haplustolls
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/3/2019
  • Classifier - L. Bricknell
  • Soil Taxonomic Edition - twelfth edition
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 28 percent of control section clay


  • SITE

  • Parent Material: alluvium
  • Landform: terrace on river valley
  • Geomorphic Component Terraces: tread
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: rare flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: yes
  • RaCA Information:
  • DSP Plot ID - Ro-R1
  • Plot Baseline Length - 10
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/27/2019 (actual site observation date)
  • Data Collector: L. Bricknell, R. Still
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Air Temp - 28
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    free carbonates

    secondary carbonates

    lithologic discontinuity

    0—95

    19—220

    44—220

    163—220

    —95—

    —201—

    —176—

    —57—

    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

    0

    664.5

    180

    Ap—0 to 5 centimeters (0.0 to 2.0 inches); dark grayish brown (10YR 4/2) broken face, very dark grayish brown (10YR 3/2) broken face, moist; silt loam; 24 percent clay; moderate fine granular structure; 3.0 very fine roots and 2.0 fine roots; fragments; 1.25 g/cm3 of average OD bulk density; 23.69 micrometers per second of average KSAT; 7.3 percent of average OM; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # 19N03643; observed in push tube
    A11—5 to 10 centimeters (2.0 to 3.9 inches); very dark grayish brown (10YR 3/2) broken face, very dark brown (10YR 2/2) broken face, moist; silt loam; 24 percent clay; moderate fine granular structure; 2.0 fine roots; 1.0 very fine tubular and 1.0 fine tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # 19N03644; observed in push tube
    A12—10 to 19 centimeters (3.9 to 7.5 inches); very dark grayish brown (10YR 3/2) broken face, very dark brown (10YR 2/2) broken face, moist; silt loam; 24 percent clay; moderate fine granular structure; 2.0 very fine roots; 1.0 very fine tubular and 1.0 fine tubular pores; 5 percent worm casts; fragments; 1.31 g/cm3 of average OD bulk density; 3.44 micrometers per second of average KSAT; 2.8 percent of average OM; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # 19N03645; observed in push tube
    A2—19 to 36 centimeters (7.5 to 14.2 inches); very dark gray (10YR 3/1) broken face, black (10YR 2/1) broken face, moist; silt loam; 26 percent clay; weak medium subangular blocky parts to moderate fine granular structure; 1.0 very fine tubular and 1.0 fine tubular pores; 30 percent worm casts; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 19N03646; observed in push tube
    A3—36 to 53 centimeters (14.2 to 20.9 inches); very dark grayish brown (10YR 3/2) broken face, very dark brown (10YR 2/2) broken face, moist; silt loam; 26 percent clay; weak medium subangular blocky parts to moderate fine granular structure; 1.0 very fine tubular and 2.0 fine tubular pores; 20 percent worm casts; fragments; 1.32 g/cm3 of average OD bulk density; 11.77 micrometers per second of average KSAT; 2 percent of average OM; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 19N03647; observed in push tube
    Bk1—53 to 70 centimeters (20.9 to 27.6 inches); dark grayish brown (10YR 4/2) broken face, very dark grayish brown (10YR 3/2) broken face, moist; silt loam; 24 percent clay; weak fine prismatic structure; 1.0 very fine tubular and 1.0 fine tubular pores; fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    Bk2—70 to 95 centimeters (27.6 to 37.4 inches); dark grayish brown (10YR 4/2) broken face, very dark grayish brown (10YR 3/2) broken face, moist; silty clay loam; 27 percent clay; weak fine prismatic structure; 1.0 very fine tubular and 2.0 fine pores; fragments; violent effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    Bk3—95 to 134 centimeters (37.4 to 52.8 inches); pale brown (10YR 6/3) broken face, brown (10YR 5/3) broken face, moist; clay loam; 29 percent clay; weak fine prismatic structure; 2.0 very fine tubular and 2.0 fine pores; fragments; 1.33 micrometers per second of average KSAT; violent effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    2Bk4—134 to 163 centimeters (52.8 to 64.2 inches); grayish brown (10YR 5/2) broken face, dark grayish brown (10YR 4/2) broken face, moist; loam; 26 percent clay; weak medium prismatic structure; 3.0 very fine tubular and 2.0 fine pores; fragments; violent effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    2Bk5—163 to 198 centimeters (64.2 to 78.0 inches); 50 percent 5/3 5/3) broken face and 50 percent 6/3 6/3) broken face, 50 percent brown (10YR 5/3) broken face and 50 percent brown (10YR 4/3) broken face, moist; loam; 26 percent clay; weak medium prismatic structure; 3.0 very fine tubular and 2.0 fine pores; 2 percent fine threadlike carbonate masses throughout and 2 percent medium irregular carbonate masses throughout and 3 percent medium irregular carbonate nodules throughout; fragments; violent effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    2Bk6—198 to 220 centimeters (78.0 to 86.6 inches); 90 percent brown (10YR 5/3) broken face and 10 percent very dark grayish brown (10YR 3/2) broken face, 90 percent brown (10YR 4/3) broken face and 10 percent very dark brown (10YR 2/2) broken face, moist; loam; 24 percent clay; weak fine prismatic parts to weak medium subangular blocky structure; 3.0 very fine tubular and 2.0 fine pores; 4 percent fine irregular carbonate masses throughout and 4 percent medium threadlike carbonate masses throughout; fragments; violent effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube