IDENTIFIERS

  • Current Taxon Name (Soil Name): Blackwood
  • OSD
  • Series Extent
  • User Site ID: 95KS181001
  • User Pedon ID: 95KS181001
  • User Site Association ID: mlra72-benchmark lab pedons
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - KS181001
  • 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: 39.4283333
  • Std. Longitude: -101.4658356
  • Datum: WGS84
  • Township: 7s
  • Range: 37w
  • Section: 20
  • PLSS Details: 1320 feet north and 278 feet west of the southeast corner
  • Location Description: 1320 ft. N & 278 ft. W of SE corner 20-7-37
  • Map Unit: 1619—Keith silt loam, 0 to 1 percent slopes
  • State: Kansas
  • County: KS181—Sherman
  • MLRA: 72—Central High Tableland
  • MLRA Soil Survey Area: NC-GAR—Garden City, Kansas
  • Non-MLRA Soil Survey Area: KS181—Sherman County, Kansas
  • 7.5 Minute USGS Quad: 39101-D4—Brewster NW, Kansas

    • PEDON

  • Describers Name: B. Tricks
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Pachic Haplustolls
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Keith
  • Taxonomic Class - Fine-silty, mixed Pachic Haplustolls
  • Classificaton Date - 1/17/1995
  • Classifier - B. Tricks
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: tableland
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/17/1995 (actual site observation date)
  • Air Photo ID: 10
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: wind erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    secondary carbonates

    0—117

    41—117

    41—211

    —-

    —-

    —-
    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

    1

    183

    121.9

    1055

    —

    90

    432

    —

    —

    11.1

    23.3

    -0.6

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 13 centimeters (0.0 to 5.1 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; weak fine granular structure; slightly hard, friable; 3.0 fine and medium roots throughout; 1.0 fine low-continuity tubular pores; 1 percent faint brown (10YR 5/3), moist, silt coats on faces of peds and in pores; fragments; noneffervescent; abrupt smooth boundary. S95KS181001-1; discontinuous - phpvsfiid 28003; discontinuous - phpvsfiid 28003
    Ap2—13 to 20 centimeters (5.1 to 7.9 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; moderate medium and coarse granular structure; slightly hard, friable; 3.0 fine and medium roots throughout; 1.0 fine low-continuity tubular pores; fragments; noneffervescent; abrupt smooth boundary. S95KS181001-2
    Ap3—20 to 28 centimeters (7.9 to 11.0 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; moderate thin platy parts to moderate fine and medium granular structure; slightly hard, friable; 2.0 fine and medium roots between peds; 1.0 fine low-continuity tubular pores; fragments; noneffervescent; abrupt smooth boundary. S95KS181001-3
    AB—28 to 41 centimeters (11.0 to 16.1 inches); dark grayish brown (10YR 4/2), dark brown (10YR 3/3), moist; weak medium granular parts to moderate fine and medium subangular blocky structure; slightly hard, friable; 2.0 fine and medium roots between peds; 3.0 fine and medium moderate-continuity tubular pores; very dark grayish brown (10YR 3/2), moist,; fragments; noneffervescent; abrupt smooth boundary. S95KS181001-4
    Bk—41 to 71 centimeters (16.1 to 28.0 inches); brown (10YR 5/3), very dark grayish brown (10YR 3/2), moist; moderate medium subangular blocky structure; slightly hard, friable; 2.0 fine and medium roots between peds; 4.0 fine moderate-continuity tubular pores; 15 percent faint very dark grayish brown (10YR 3/2), moist, pressure faces on faces of peds; 1 percent fine threadlike noncoherent cemented light gray (10YR 7/2) carbonate threads throughout; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. S95KS181001-5; discontinuous - phpvsfiid 28005; discontinuous - phpvsfiid 28005
    Bkb1—71 to 91 centimeters (28.0 to 35.8 inches); pale brown (10YR 6/3), very dark grayish brown (10YR 3/2), moist; moderate medium angular blocky structure; slightly hard, friable; 2.0 fine and medium roots between peds; 2.0 fine low-continuity tubular pores; 30 percent faint very dark grayish brown (10YR 3/2), moist, pressure faces on faces of peds; 7 percent fine and medium threadlike noncoherent cemented white (10YR 8/1) carbonate threads between peds; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. S95KS181001-6; discontinuous - phpvsfiid 28006; discontinuous - phpvsfiid 28006
    Bkb2—91 to 117 centimeters (35.8 to 46.1 inches); 60 percent light brownish gray (10YR 6/2) and 40 percent grayish brown (10YR 5/2), 60 percent very dark grayish brown (10YR 3/2) and 40 percent very dark brown (10YR 2/2), moist; moderate medium angular blocky structure; slightly hard, firm; 1.0 fine roots between peds; 5.0 fine moderate-continuity tubular pores; 40 percent faint white (10YR 8/1), moist, carbonate coats on faces of peds; 10 percent fine threadlike noncoherent cemented white (10YR 8/1) carbonate threads between peds; fragments; violent effervescence, by hcl, 1n; abrupt smooth boundary. S95KS181001-7; continuous - phpvsfiid 28007; continuous - phpvsfiid 28007
    BCkb—117 to 130 centimeters (46.1 to 51.2 inches); 70 percent light brownish gray (10YR 6/2) and 30 percent dark grayish brown (10YR 4/2), 70 percent brown (10YR 5/3) and 30 percent very dark grayish brown (10YR 3/2), moist; moderate medium subangular blocky structure; slightly hard, friable; 1.0 fine roots between peds; 5.0 fine moderate-continuity interstitial and tubular pores; 10 percent prominent white (10YR 8/1), moist, carbonate coats on faces of peds; 15 percent fine and medium threadlike noncoherent cemented white (10YR 8/1) carbonate threads between peds; fragments; violent effervescence, by hcl, 1n; gradual smooth boundary. S95KS181001-8; discontinuous - phpvsfiid 28008; discontinuous - phpvsfiid 28008
    Ck1—130 to 160 centimeters (51.2 to 63.0 inches); 90 percent light gray (10YR 7/2) and 10 percent grayish brown (10YR 5/2), 90 percent brown (10YR 5/3) and 10 percent dark grayish brown (10YR 4/2), moist; weak medium prismatic structure; slightly hard, friable; 1.0 fine roots throughout; 5.0 fine moderate-continuity interstitial and tubular pores; 3 percent fine threadlike noncoherent cemented white (10YR 8/1) carbonate threads between peds; fragments; strong effervescence, by hcl, 1n; gradual smooth boundary. S95KS181001-9
    Ck2—160 to 211 centimeters (63.0 to 83.1 inches); light gray (10YR 7/2), brown (10YR 5/3), moist; weak medium prismatic parts to massive; slightly hard, very friable; 1.0 fine roots throughout; 5.0 fine moderate-continuity interstitial and tubular pores; 1 percent fine threadlike noncoherent cemented white (10YR 8/1) carbonate threads between peds; fragments; strong effervescence, by hcl, 1n. S95KS181001-10