IDENTIFIERS

  • Current Taxon Name (Soil Name): Lapine
  • OSD
  • Series Extent
  • User Site ID: S1972OR035007
  • User Pedon ID: S1972OR035007
  • Vegetation Plot ID: S1972OR035007
  • User Site Association ID: OR683 point data
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 72C0041
  • NCSS Pedon Lab Data NASIS Record ID - 43975
  • Print Date: 4/27/2025

    • 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: 42.6919441
  • Std. Longitude: -121.9472198
  • Datum: WGS84
  • Township: 33 S.
  • Range: 7.5 E.
  • Section: 24
  • PLSS Details: 213 meters east and 183 meters north of the southwest corner
  • Location Description: on top of Sugar Hill
  • Map Unit: 1031—Lapine paragravelly ashy coarse sandy loam, high precip cool, 2 to 12 percent slopes
  • State: Oregon
  • County: OR035—Klamath
  • MLRA: 6—Cascade Mountains, Eastern Slope
  • Non-MLRA Soil Survey Area: OR640—Klamath County, Oregon, Southern PartOR683—Winema National Forest Area, Oregon
  • 7.5 Minute USGS Quad: 42121-F8—Fort Klamath, Oregon

    • PEDON

  • Describers Name: A. Ness and J. Cahoon
  • Current Taxonomic Class: Ashy-pumiceous Xeric Vitricryands
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - Lapine
  • PSC - 25 to 100 cm.
  • Classificaton Date - 1/27/2010
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - LAPINE
  • Classificaton Date - 5/10/1972
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: coarse pumiceous volcanic ash and/or parafragments derived from pumice over buried loamy colluvium
  • Landscape: pumice mantled plateau
  • Landform: pyroclastic flow
  • Drainage Class: excessively
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

  • Other Vegetative Class: CWS141 - Abies concolor/Arctostaphylos patula—Forested Plant Associations of the Oregon East Cascades; CWS112 - Abies concolor/Ceanothus velutinus-Arcostaphylos patula-pumice—Plant Assoc. of Central Oregon Pumice Zone (R6 E 104-85)

    • SITE OBSERVATION

  • Observation Date: 5/10/1972 (actual site observation date)
  • Air Photo ID: 7AA-82
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARCTO3

    PIMA

    PURSH

    Arctostaphylos

    Picea mariana

    Purshia

    manzanita

    black spruce

    bitterbrush

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    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

    —

    —

    1440

    —

    750

    —

    —

    5

    —

    —

    6

    13

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    A1—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) gravelly loamy coarse sand; weak very fine granular structure; very friable, nonsticky, nonplastic; 21.0 very fine roots; 21.0 very fine pores; 20 percent by volume cinders fragments; neutral, pH 6.6, bromthymol blue; clear wavy boundary. Lab sample # 72C00237; moist when described;
    AC1—10 to 23 centimeters (3.9 to 9.1 inches); dark brown (10YR 3/3) gravelly loamy coarse sand; massive; very friable, nonsticky, nonplastic; 21.0 very fine roots; 21.0 very fine pores; 30 percent by volume cinders fragments; slightly acid, pH 6.5, bromthymol blue; clear wavy boundary. Lab sample # 72C00238; moist when described;. cinders strong brown (7.5YR 5/6)
    AC2—23 to 46 centimeters (9.1 to 18.1 inches); brown (10YR 4/3) gravelly loamy coarse sand; massive; very friable, nonsticky, nonplastic; 21.0 very fine roots; 21.0 very fine pores; 40 percent by volume cinders fragments; slightly acid, pH 6.4, bromthymol blue; clear wavy boundary. Lab sample # 72C00239; moist when described;. cinders (7.5YR 5/6)
    C1—46 to 63 centimeters (18.1 to 24.8 inches); brown (10YR 5/3) gravelly coarse sand; massive; very friable, nonsticky, nonplastic; 0.5 very fine roots; 21.0 very fine pores; 45 percent by volume cinders fragments; slightly acid, pH 6.5, bromthymol blue; clear wavy boundary. Lab sample # 72C00240; moist when described;. cinders strong brown (7.5YR 5/6)
    C2—63 to 117 centimeters (24.8 to 46.1 inches); light olive brown (2.5Y 5/4) and olive brown (2.5Y 4/4), dark grayish brown (2.5Y 4/2), dry; very gravelly coarse sand; single grain; loose, nonsticky, nonplastic; 0.5 very fine roots; 21.0 very fine pores; 75 percent by volume cinders fragments; neutral, pH 6.6, bromthymol blue; gradual wavy boundary. Lab sample # 72C00241; moist when described;
    C3—117 to 136 centimeters (46.1 to 53.5 inches); light gray (2.5Y 7/2), light brownish gray (2.5Y 6/2), dry; very gravelly coarse sand; single grain; loose, nonsticky, nonplastic; 0.5 very fine roots; 21.0 very fine pores; 55 percent by volume cinders fragments; neutral, pH 6.6, bromthymol blue; abrupt smooth boundary. Lab sample # 72C00242; moist when described;
    C4—136 to 152 centimeters (53.5 to 59.8 inches); light gray (2.5Y 7/2) and light brownish gray (2.5Y 6/2) and white (N 8/0) very gravelly coarse sand; single grain; loose, nonsticky, nonplastic; 0.5 very fine roots; 21.0 very fine pores; 60 percent by volume cinders fragments; neutral, pH 6.6, bromthymol blue; abrupt smooth boundary. Lab sample # 72C00243; moist when described;
    2AB—152 to 162 centimeters (59.8 to 63.8 inches); dark reddish brown (5YR 3/4) loam; weak fine subangular blocky structure; very friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots; 21.0 very fine pores; fragments; strongly acid, pH 5.5, bromthymol blue; clear smooth boundary. Lab sample # 72C00244; moist when described;. about 10 percent by volume of hard lava pebbles 2 to 19 mm
    2B21B—162 to 188 centimeters (63.8 to 74.0 inches); dark reddish brown (5YR 3/4) loam; weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots; 21.0 very fine pores; fragments; gradual smooth boundary. Lab sample # 72C00245; moist when described;. weakly brittle
    2B22B—188 to 213 centimeters (74.0 to 83.9 inches); dark reddish brown (5YR 3/4) loam; weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 21.0 very fine pores; 30 percent manganese or iron-manganese stains; fragments; gradual smooth boundary. Lab sample # 72C00246; moist when described;. few fine, firm, brittle concretions
    2B23B—213 to 238 centimeters (83.9 to 93.7 inches); dark reddish brown (5YR 3/4) loam; weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; fragments. Lab sample # 72C00247; moist when described;