IDENTIFIERS

  • Current Taxon Name (Soil Name): Stoneham
  • OSD
  • Series Extent
  • User Site ID: 59CO087010
  • User Pedon ID: 59CO087010
  • Vegetation Plot ID: 59CO087010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3902
  • NCSS Pedon Lab Data NASIS Record ID - 39548
  • Print Date: 11/24/2024

    • 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: 40.4047203
  • Std. Longitude: -103.5597229
  • Datum: WGS84
  • Township: 5N
  • Range: 55W
  • Section: 17
  • PLSS Details: 800 feet south and 80 feet east of northwest corner
  • Location Description: Morgan County, Colorado. Photo: YE-6F-53.
  • Map Unit: Pa—Platner sandy loam, 0 to 3 percent slopes
  • State: Colorado
  • County: CO087—Morgan
  • MLRA: 67B—Central High Plains, Southern Part
  • MLRA Soil Survey Area: NW-FTM—Fort Morgan, Colorado
  • Non-MLRA Soil Survey Area: CO087—Morgan County, Colorado
  • 7.5 Minute USGS Quad: 40103-D5—Antelope Springs, Colorado

    • PEDON

  • Describers Name: Clayton F. Spears
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Aridic Haplustalfs
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - Stoneham
  • PSC - 21 to 53 cm.
  • Classificaton Date - 12/12/2013
  • Classifier - Andy Steinert
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Platner
  • Taxonomic Class - Fine, smectitic, mesic Aridic Paleustolls
  • Taxon Kind - series
  • Classificaton Date - 5/7/1959
  • Classifier - Clayton F. Spears
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • QC Status: level 1


    • SITE

  • Parent Material: Tertiary outwash
  • Landscape: upland
  • Ksat Class Upper: very high
  • Ksat Class Lower: moderately high
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 1.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/7/1959 (actual site observation date)
  • Air Photo ID: YE-6F-53
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: wind and water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARIST

    BOUTE

    BUDA

    Aristida

    Bouteloua

    Buchloe dactyloides

    threeawn

    grama

    buffalograss

    —

    —

    —

    —

    —

    —

    —

    —

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

    ochric epipedon

    argillic horizon

    0—22

    22—53

    —22—

    —31—
    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

    —

    —

    1387

    —

    135

    356

    —

    146

    8.9

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 11 centimeters (0.0 to 4.3 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; fine sandy loam; weak medium granular structure; soft, very friable; Ksat of 28.225 um/s; moderately rapid permeability; fragments; noneffervescent; clear smooth boundary. Lab sample # 40A29878
    A2—11 to 22 centimeters (4.3 to 8.7 inches); grayish brown (10YR 5/2), dark brown (10YR 3/3), moist; sandy loam; weak coarse subangular blocky parts to weak medium granular structure; soft, very friable; Ksat of 28.225 um/s; moderately rapid permeability; fragments; noneffervescent; clear smooth boundary. Lab sample # 40A29879
    BA—22 to 28 centimeters (8.7 to 11.0 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2) and dark grayish brown (10YR 4/2), moist; sandy loam; weak medium subangular blocky structure; slightly hard, friable; Ksat of 28.225 um/s; moderately rapid permeability; gray (10YR 6/1), dry, silica coats on horizontal faces of peds and clay films on vertical faces of peds; fragments; noneffervescent; abrupt smooth boundary. Lab sample # 40A29880. patchy - phpvsfiid 1222546; patchy - phpvsfiid 1222546
    Bt1—28 to 36 centimeters (11.0 to 14.2 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; clay loam; strong fine prismatic parts to strong fine subangular blocky structure; hard, firm; Ksat of 1.41 um/s; moderately slow permeability; 30 percent clay films on all faces of peds; fragments; noneffervescent; clear smooth boundary. Lab sample # 40A29881. continuous - phpvsfiid 1222547; continuous - phpvsfiid 1222547
    Bt2—36 to 48 centimeters (14.2 to 18.9 inches); brown (10YR 4/3), dark brown (10YR 3/3) and dark brown (10YR 3/3), moist; clay loam; strong fine prismatic parts to strong fine subangular blocky structure; very hard, firm; Ksat of 1.41 um/s; moderately slow permeability; 30 percent clay films on all faces of peds; fragments; noneffervescent; clear wavy boundary. Lab sample # 40A29882. continuous - phpvsfiid 1222541; continuous - phpvsfiid 1222541
    Bt3—48 to 53 centimeters (18.9 to 20.9 inches); brown (10YR 5/3), dark grayish brown (10YR 4/2) and dark grayish brown (10YR 4/2), moist; clay loam; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, friable; Ksat of 1.41 um/s; moderately slow permeability; clay films on all faces of peds and dark grayish brown (10YR 4/2), dry, on horizontal faces of peds; fragments; slight effervescence; clear wavy boundary. Lab sample # 40A29883. continuous - phpvsfiid 1222542; continuous - phpvsfiid 1222542
    Bk—53 to 64 centimeters (20.9 to 25.2 inches); pale brown (10YR 6/3), brown (10YR 5/3) and brown (10YR 4/3), moist; very fine sandy loam; weak coarse prismatic parts to weak coarse subangular blocky structure; slightly hard, friable; Ksat of 28.225 um/s; moderately rapid permeability; very pale brown (10YR 8/3), dry, on horizontal faces of peds; fragments; strong effervescence; clear smooth boundary. Lab sample # 40A29884
    C1—64 to 86 centimeters (25.2 to 33.9 inches); very pale brown (10YR 8/3), pale brown (10YR 6/3) and pale brown (10YR 6/3), moist; loam; massive; hard, friable; Ksat of 9.17 um/s; moderate permeability; fragments; strong effervescence; clear smooth boundary. Lab sample # 40A29885
    C2—86 to 109 centimeters (33.9 to 42.9 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; sandy loam; massive; slightly hard, friable; Ksat of 28.225 um/s; moderately rapid permeability; fragments; strong effervescence; clear smooth boundary. Lab sample # 40A29886
    C3—109 to 152 centimeters (42.9 to 59.8 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; loam; massive; Ksat of 9.17 um/s; moderate permeability; fragments; strong effervescence; gradual smooth boundary. Lab sample # 40A29887
    C4—152 to 234 centimeters (59.8 to 92.1 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; sandy loam; massive; Ksat of 28.225 um/s; moderately rapid permeability; fragments; strong effervescence; diffuse smooth boundary. Lab sample # 40A29888
    C5—234 to 279 centimeters (92.1 to 109.8 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; sand, coarse sand; massive; Ksat of 141.14 um/s; very rapid permeability; fragments; strong effervescence. Lab sample # 40A29889