IDENTIFIERS

  • Current Taxon Name (Soil Name): Richfield
  • OSD
  • Series Extent
  • User Site ID: S1990CO063002
  • User Pedon ID: 90CO063002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0042
  • NCSS Pedon Lab Data NASIS Record ID - 63089
  • Print Date: 5/31/2024
  • 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: 39.2991676
  • Std. Longitude: -102.5191650
  • Datum: WGS84
  • Township: 9S
  • Range: 46W
  • Section: 2
  • PLSS Details: NW corner
  • State: Colorado
  • County: CO063—Kit Carson
  • PEDON

  • Describers Name: K. Flach, M. Peterson
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Richfield
  • Taxonomic Class - Fine, montmorillonitic Aridic Argiustolls
  • Classificaton Date - 9/1/1990
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Hill Slope Profile: backslope
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1990 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • 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

    4

    1315

    90

    Ap—0 to 10 centimeters (0.0 to 3.9 inches); fragments. Lab sample # 91P00251
    Ap1—0 to 10 centimeters (0.0 to 3.9 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; silt loam; strong medium platy, and moderate medium subangular blocky structure; hard, very friable, slightly sticky, moderately plastic; 0.5 medium roots and 2.5 fine roots; 0.5 fine tubular pores; fragments; slight effervescence; abrupt smooth boundary. Lab sample # 91P00243. few medium roots; common fine roots
    Ap2—10 to 18 centimeters (3.9 to 7.1 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; silty clay loam; moderate fine and medium subangular blocky structure; very hard, friable, very sticky, very plastic; 5.5 very fine roots and 2.5 fine roots; 2.5 very fine tubular and 5.5 fine tubular pores; fragments; slight effervescence; clear smooth boundary. Lab sample # 91P00244. common fine roots; many very fine roots
    Bt1—18 to 33 centimeters (7.1 to 13.0 inches); brown (10YR 4/3) and dark brown (7.5YR 3/2), very dark grayish brown (10YR 3/2), moist; silty clay; strong medium prismatic, and strong fine angular blocky structure; very hard, friable, very sticky, very plastic; 0.5 very fine and fine roots; 0.5 very fine tubular pores; 15 percent faint clay films on faces of peds and in pores; fragments; slight effervescence; clear wavy boundary. Lab sample # 91P00245. few clay films surface features on faces of peds and in pores; few very fine and fine roots
    Bt2—33 to 48 centimeters (13.0 to 18.9 inches); very dark grayish brown (10YR 3/2) and brown (10YR 4/3), very dark grayish brown (10YR 3/2), moist; silty clay loam; strong fine prismatic, and strong fine subangular blocky structure; very hard, firm, very sticky, very plastic; 0.5 very fine and fine roots; 0.5 very fine tubular pores; 15 percent faint clay films on faces of peds and 15 percent distinct clay films on faces of peds and in pores; fragments; slight effervescence; clear wavy boundary. Lab sample # 91P00246. few clay films surface features on faces of peds; few clay films surface features on faces of peds and in pores; few very fine and fine roots
    Bk1—48 to 79 centimeters (18.9 to 31.1 inches); yellowish brown (10YR 5/4), brown (10YR 4/3), moist; silt loam; moderate medium prismatic, and strong fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots; 2.5 very fine tubular pores; fragments; strong effervescence; gradual wavy boundary. Lab sample # 91P00247. few very fine and fine roots
    Bk2—79 to 130 centimeters (31.1 to 51.2 inches); very pale brown (10YR 7/3), yellowish brown (10YR 5/4), moist; loam; weak medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 2.5 very fine and fine pores; fragments; violent effervescence; clear wavy boundary. Lab sample # 91P00248. few very fine and fine roots
    2Bk3—130 to 140 centimeters (51.2 to 55.1 inches); very pale brown (10YR 7/4), yellowish brown (10YR 5/4), moist; loam; massive; slightly hard, friable, slightly sticky, moderately plastic; 0.5 very fine roots; 2.5 very fine tubular pores; fragments; violent effervescence; clear wavy boundary. Lab sample # 91P00249. few very fine roots
    3C1—140 to 150 centimeters (55.1 to 59.1 inches); yellowish red (5YR 5/6), yellowish red (5YR 5/6), moist; sandy clay loam; massive; very hard, firm, moderately sticky, moderately plastic; 0.5 fine tubular pores; 37 percent faint clay films and 37 percent distinct clay films; fragments; violent effervescence. Lab sample # 91P00250. common clay films surface features; common clay films surface features