IDENTIFIERS

  • Current Taxon Name (Soil Name): Mummy
  • OSD
  • Series Extent
  • User Site ID: S1998CO049001
  • User Pedon ID: 98CO049001
  • Vegetation Plot ID: S1998CO049001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 99P0038
  • NCSS Pedon Lab Data NASIS Record ID - 10898
  • Print Date: 9/24/2024

    • 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: 40.2236099
  • Std. Longitude: -105.6699982
  • Datum: WGS84
  • Location Description: about 0.1 miles south of Boulder Grand Pass in Rocky Mountain National Park
  • State: Colorado
  • County: CO049—Grand
  • MLRA: 48A—Southern Rocky Mountains
  • Non-MLRA Soil Survey Area: CO651—Rocky Mountain National Park, Colorado, Parts of Boulder, Grand, and Larimer Counties
  • 7.5 Minute USGS Quad: 40105-B6—Isolation Peak, Colorado

    • PEDON

  • Describers Name: Lee A. Neve, Dave Alstatt, Jodie Boyce
  • Current Taxonomic Class: Loamy-skeletal, mixed, superactive Typic Dystrocryepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Mummy
  • PSC - 25 to 102 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Mummy
  • Taxonomic Class - Loamy-skeletal, paramicaceous Typic Cryumbrept
  • Taxon Kind - series
  • Classificaton Date - 7/24/1998
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: mountains
  • Landform: mountain
  • Hill Slope Profile: summit
  • Slope Position: middle third
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: s igneous, coarse crystal
  • Surface Fragments: 12.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/24/1998 (actual site observation date)
  • Air Photo ID: 1060-14
  • Plant Association Name: Carex/Gero2
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, tundra
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    CAREX

    GERO2

    MYAL

    ORTHO

    POGR9

    Carex

    Geum rossii

    Myosotis alpestris

    Orthocarpus

    Potentilla gracilis

    sedge

    Ross' avens

    —

    owl's-clover

    slender cinquefoil

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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

    umbric epipedon

    cambic horizon

    5—56

    56—102

    —-

    —-
    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

    8

    —

    —

    3700

    —

    340

    762

    —

    —

    2.2

    —

    —

    1.7

    —

    —

    —

    —

    —

    —

    —
    Oe—0 to 5 centimeters (0.0 to 2.0 inches); fragments.
    A1—5 to 25 centimeters (2.0 to 9.8 inches); black (10YR 2/1), very dark gray (10YR 3/1), dry; very channery loam; 13 percent clay; weak medium granular structure; soft, very friable, nonsticky, nonplastic; 25 percent by volume 150-265-380 millimeter unspecified fragments and 30 percent by volume 2-76-150 millimeter unspecified fragments; noneffervescent; very strongly acid, pH 4.8, hellige-truog; abrupt smooth boundary. Lab sample # 99P00223; moist when described;
    A2—25 to 55 centimeters (9.8 to 21.7 inches); dark brown (7.5YR 3/3), brown (7.5YR 4/3), dry; very channery loamy coarse sand; 5 percent clay; weak fine subangular blocky, and moderate coarse granular structure; loose, loose, nonsticky, nonplastic; 25 percent by volume 75-162-250 millimeter unspecified fragments and 45 percent by volume 2-76-150 millimeter unspecified fragments; noneffervescent; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # 99P00224; moist when described;
    Bw—55 to 100 centimeters (21.7 to 39.4 inches); brown (7.5YR 5/3), light brown (7.5YR 6/3), dry; very channery sandy clay loam; 22 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 30 percent fine and medium dark yellowish brown (10YR 4/6) masses of oxidized iron throughout; 5 percent by volume 75-162-250 millimeter unspecified fragments and 35 percent by volume 2-76-150 millimeter unspecified fragments; noneffervescent; extremely acid, pH 4.4, hellige-truog. Lab sample # 99P00225; moist when described;. The lower part of the horizon appears to have lenses of iron and clay balls that could be related to saprolitic material. This part of the horizon was saturated.