IDENTIFIERS

  • Current Taxon Name (Soil Name): Romound
  • OSD
  • Series Extent
  • User Site ID: 99CO628003
  • User Pedon ID: 99CO628003
  • Vegetation Plot ID: 99CO628003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 00P0132
  • NCSS Pedon Lab Data NASIS Record ID - 11640
  • Print Date: 11/21/2024

    • 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: 37.6391667
  • Std. Longitude: -103.3208333
  • Datum: WGS84
  • Township: 28 S.
  • Range: 53 W.
  • Section: 2
  • PLSS Details: 1,800 feet west and 1,700 feet south of the NE corner
  • Map Unit: Rd—Romound silt loam, 1 to 5 percent slopes
  • State: Colorado
  • County: CO071—Las Animas
  • MLRA: 69—Upper Arkansas Valley Rolling Plains
  • Non-MLRA Soil Survey Area: CO628—Las Animas County Area, Colorado, Parts of Huerfano and Las Animas Counties
  • 7.5 Minute USGS Quad: 37103-F3—Rock Canyon, Colorado

    • PEDON

  • Describers Name: LAN
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Ustic Haplogypsids
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 774
  • Sampled As Information:
  • Soil Name - Romound
  • Taxonomic Class - Fine-loamy, mixed, active, mesic Ustic Haplogypsids
  • PSC - 25 to 99 cm.
  • Classificaton Date - 9/13/1999
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: eolian deposits and/or residuum weathered from gypsum
  • Landscape: plains
  • Landform: structural bench
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: weakly coherent shale, calcareous at 99cm
  • Geology: Morrison formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/13/1999 (actual site observation date)
  • Air Photo ID: 1-82
  • Plant Association Name: gypsum breaks
  • 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
  • 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

    ARBI3

    BOGR2

    MURI

    SPCR

    YUCCA

    Artemisia bigelovii

    Bouteloua gracilis

    Muhlenbergia richardsonis

    Sporobolus cryptandrus

    Yucca

    Bigelow sage

    blue grama

    mat muhly

    sand dropseed

    yucca

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    —

    99 - 152

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

    ochric epipedon

    cambic horizon

    gypsic horizon

    paralithic contact

    0—5

    5—33

    33—99

    99—152

    —-

    —-

    —-

    —-
    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

    5

    —

    —

    1386

    —

    90

    330

    —

    —

    11.1

    —

    —

    10.6

    —

    —

    —

    —

    —

    —

    —
    A—0 to 5 centimeters (0.0 to 2.0 inches); pale brown (10YR 6/3), dark brown (10YR 3/3), moist; silt loam; 20 percent clay; weak fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 8.0 very fine and fine roots; fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary.; dry when described;
    Bw—5 to 33 centimeters (2.0 to 13.0 inches); brown (10YR 4/3), dark yellowish brown (10YR 4/4), moist; silt loam; 22 percent clay; weak medium prismatic parts to weak fine and medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 2.0 very fine roots; 5 percent fine distinct irregular carbonate masses throughout; fragments; violent effervescence; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary.; dry when described;
    Bky—33 to 56 centimeters (13.0 to 22.0 inches); very pale brown (10YR 8/2), light yellowish brown (10YR 6/4), moist; loam; 21 percent clay; massive; slightly hard, very friable, slightly sticky, slightly plastic; 0.1 very fine roots; 5 percent fine distinct irregular carbonate masses throughout and 20 percent fine distinct irregular gypsum masses throughout; fragments; violent effervescence; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary.; dry when described;
    By—56 to 99 centimeters (22.0 to 39.0 inches); light brown (7.5YR 6/4), brown (7.5YR 4/4), moist; loam; 22 percent clay; massive; soft, very friable, slightly sticky, slightly plastic; 20 percent fine distinct irregular gypsum masses throughout; fragments; strong effervescence; slightly alkaline, pH 7.6, hellige-truog; abrupt smooth boundary.; dry when described;
    Cr—99 to 145 centimeters (39.0 to 57.1 inches); weathered bedrock; fragments.
    R—145 centimeters (57.1 inches); unweathered bedrock; fragments.