IDENTIFIERS

  • Current Taxon Name (Soil Name): Scossa
  • OSD
  • Series Extent
  • User Site ID: S1998NV926003
  • User Pedon ID: S2001NV005003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 02N0632
  • NCSS Pedon Lab Data NASIS Record ID - 15308
  • Print Date: 5/7/2025

    • 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: 38.8830147
  • Std. Longitude: -119.8190765
  • Datum: WGS84
  • Township: 12N
  • Range: 19E
  • Section: 23
  • PLSS Details: about 198 meters north and 564 meters east of the southwest corner
  • Location Description: Wet soil study site on Scossa Farm. Site is located about 1.5 miles south-southeast of Mottsville and adjacent to NV state highway 206 (Foothill Road).
  • State: Nevada
  • County: NV005—Douglas
  • MLRA: 26—Carson Basin and Mountains
  • 7.5 Minute USGS Quad: 38119-H7—Minden, Nevada

    • PEDON

  • Describers Name: Edward W. Blake
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, mesic Histic Endoaquolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: research site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Sampled As Information:
  • Soil Name - Scossa
  • Taxonomic Class - Coarse-loamy, mixed, superactive, mesic Histic Endoaquolls
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/23/1998
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from granite
  • Landscape: fan piedmont
  • Landform: alluvial fan
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: very poorly
  • Flooding: rare flooding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/23/1998 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    histic epipedon

    aquic conditions

    mollic epipedon

    0—20

    0—152

    20—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

    5

    —

    —

    1458

    —

    70

    229

    —

    100

    8.9

    —

    —

    9.9

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 8 centimeters (0.0 to 3.1 inches); very dark brown (10YR 2/2), very dark grayish brown (10YR 3/2), dry; peat; massive; slightly hard, very friable, nonsticky, nonplastic; 6.0 very fine and fine roots; 6.0 very fine and fine interstitial pores; fragments; neutral, pH 6.6; clear wavy boundary. Lab sample # 02N03182
    Oe—8 to 20 centimeters (3.1 to 7.9 inches); black (10YR 2/1), very dark gray (10YR 3/1), dry; mucky peat; massive; slightly hard, very friable, nonsticky, nonplastic; 6.0 very fine and fine roots; 6.0 very fine and fine interstitial pores; fragments; neutral, pH 6.6; clear wavy boundary. Lab sample # 02N03183
    A1—20 to 25 centimeters (7.9 to 9.8 inches); black (N 2.5/0), very dark gray (10YR 3/1), dry; stratified mucky loam; massive; slightly hard, very friable, slightly sticky, nonplastic; 6.0 very fine and fine roots; 2.0 very fine tubular and 6.0 fine interstitial pores; fragments; slightly acid, pH 6.5; abrupt wavy boundary. Lab sample # 02N03184
    A2—25 to 30 centimeters (9.8 to 11.8 inches); black (N 2.5/0), very dark gray (10YR 3/1), dry; stratified loam; massive; slightly hard, firm, slightly sticky, slightly plastic; 2.0 very fine and fine roots; 2.0 very fine tubular and 0.1 fine interstitial pores; 1 percent fine distinct dark brown (10YR 3/3), moist, iron-manganese masses lining pores; fragments; slightly acid, pH 6.3; abrupt wavy boundary. Lab sample # 02N03185. bulk density appears to be greater than overlying layers, with many pores, appears only moist, and not saturated as overlying horizons; redox concentrations appear as pore linings.
    A3—30 to 43 centimeters (11.8 to 16.9 inches); very dark gray (10YR 3/1), dark gray (10YR 4/1), dry; stratified coarse sandy loam; massive; slightly hard, friable, slightly sticky, nonplastic; 2.0 very fine roots; 2.0 very fine tubular and 0.1 fine tubular pores; 15 percent fine and medium prominent dark brown (7.5YR 3/4), moist, iron-manganese masses lining pores and 20 percent fine and medium distinct dark yellowish brown (10YR 4/4), moist, masses of oxidized iron lining pores; 5 percent by volume 2-10-20 millimeter granodiorite fragments; slightly acid, pH 6.3; abrupt wavy boundary. Lab sample # 02N03186. friable when disturbed, but appears dense insitu and difficult to dig; redox concentrations occur as pore linings;
    A4—43 to 51 centimeters (16.9 to 20.1 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; stratified loam; massive; hard, friable, slightly sticky, slightly plastic; 2.0 very fine and fine roots; 2.0 very fine tubular and 0.1 fine tubular pores; 20 percent fine and medium distinct dark yellowish brown (10YR 3/4), moist, masses of oxidized iron lining pores; fragments; slightly acid, pH 6.3; abrupt wavy boundary. Lab sample # 02N03187. redox concentrations occur as pore linings;
    A5—51 to 76 centimeters (20.1 to 29.9 inches); very dark gray (10YR 3/1), dark gray (10YR 4/1), dry; stratified sandy clay loam; massive; hard, friable, moderately sticky, slightly plastic; 2.0 very fine roots; 2.0 very fine tubular pores; 30 percent fine and medium prominent brown (7.5YR 4/4), moist, masses of oxidized iron lining pores; fragments; slightly acid, pH 6.2; clear wavy boundary. Lab sample # 02N03188. redox concentrations predominantly occur as pore linings, with few in matrix;
    A6—76 to 102 centimeters (29.9 to 40.2 inches); very dark gray (10YR 3/1), dark gray (10YR 4/1), dry; stratified coarse sandy loam; massive; hard, firm, nonsticky, nonplastic; 0.1 very fine interstitial pores; 1 percent fine and medium distinct irregular brown (10YR 4/3), moist, masses of oxidized iron in matrix; fragments; slightly acid, pH 6.2; clear wavy boundary. Lab sample # 02N03189. seems wetter than horizon above;
    Cg—102 to 152 centimeters (40.2 to 59.8 inches); dark gray (N 4/0), dark gray (5Y 4/1), dry; stratified coarse sandy loam; massive; hard, firm, nonsticky, nonplastic; 0.1 very fine roots; 0.1 very fine interstitial pores; fragments; slightly acid, pH 6.2. Lab sample # 02N03190. no redox features observed; some dead 10YR 4/3 root material present; layer is quite dense and difficult to dig with hand tools;