IDENTIFIERS

Current Taxon Name (Soil Name): Tallac

OSD

Series Extent

User Site ID: 99CA693-001

User Pedon ID: S99CA017002

Vegetation Plot ID: 99CA693-001

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - NSSL

Lab Pedon # - 00P0186

NCSS Pedon Lab Data NASIS Record ID - 11694

Print Date: 9/23/2024

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: 39.0465722

Std. Longitude: -120.1418528

Datum: WGS84

PLSS Details: Homewood

Location Description: Sugar Pine state park, 1.6 miles west of Highway 89 on General Creek

Map Unit: 7524—Tallac gravelly coarse sandy loam, moderately well drained, 0 to 5 percent slopes

County: CA017—El Dorado

MLRA: 22—Sierra Nevada Range

Non-MLRA Soil Survey Area: CA693—Tahoe Basin Area, California and Nevada

PEDON

Describers Name: FFF, LA

Current Taxonomic Class: Sandy, mixed, frigid Humic Dystroxerepts

Current Taxon Kind: series

Pedon Type: not classified to current taxon name

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Pedon #: 1

Correlated Information:

Soil Name - Tallac

Classificaton Date - 10/7/2005

Soil Taxonomic Edition - ninth edition

Moisture Class - xeric

Moisture Subclass - typic

Sampled As Information:

Soil Name - Tallac "seeped"

Classificaton Date - 9/7/1999

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: sandy valley side alluvium derived from granodiorite

Landform: stream terrace

Slope Shape Across: linear

Slope Shape Down: linear

Geology: Stream Terrace formation.

Surface Fragments: 25.00 percent nonflat 2- to 75-millimeter granodiorite,

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 9/7/1999 (actual site observation date)

Surface Water Kind: none observed

Surface Cover Properties:

Site Obs. Cover Kind 1 - shrub cover

Site Obs. Cover Kind 2 - rangeland, shrubby

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 LUPIN PICO PIJE	Arctostaphylos Lupinus Pinus contorta Pinus jeffreyi	manzanita lupine lodgepole pine Jeffrey pine	— — — —	— — — —	— — — —

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	—	—	1950	—	10	—	—	—	—	—	—	12	—	—	—	—	—	—	—

A—3 to 8 centimeters (1.2 to 3.1 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; gravelly sandy loam; 70 percent sand; 26 percent silt; 4 percent clay; moderate very fine granular, and weak fine subangular blocky, and weak medium subangular blocky structure; soft, very friable, noncoherent, nonsticky, nonplastic; 10.0 very fine roots; 27 percent by volume nonflat 2-?-75 millimeter granodiorite fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary.; slightly dry when described; observed in trench. 10% partly decomposed

Bw1—8 to 18 centimeters (3.1 to 7.1 inches); light olive brown (2.5Y 5/3), 2.5Y 2/2 (2.5Y 2/2), moist; gravelly sandy loam; 70 percent sand; 26 percent silt; 4 percent clay; weak fine granular, and weak fine subangular blocky, and weak medium subangular blocky structure; soft, very friable, noncoherent, nonsticky, nonplastic; 4.0 very fine roots and 2.0 medium roots and 1.0 fine roots; 25 percent by volume nonflat 2-?-75 millimeter granodiorite fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary.; slightly dry when described; observed in trench. 10% partly decomposed

Bw2—18 to 38 centimeters (7.1 to 15.0 inches); light olive brown (2.5Y 5/3), dark olive brown (2.5Y 3/3), moist; gravelly loamy sand; 80 percent sand; 16 percent silt; 4 percent clay; weak fine granular, and weak fine subangular blocky, and weak medium subangular blocky structure; soft, very friable, noncoherent, nonsticky, nonplastic; 1.0 very fine roots and 2.0 medium roots and 1.0 fine roots and 3.0 coarse roots; 25 percent by volume flat 2-?-75 millimeter granodiorite fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary.; slightly moist when described; observed in trench

BC—38 to 74 centimeters (15.0 to 29.1 inches); light yellowish brown (2.5Y 6/4), olive brown (2.5Y 4/3), moist; gravelly loamy sand; 80 percent sand; 13 percent silt; 7 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; slightly hard, friable, noncoherent, slightly sticky, nonplastic; 1.0 very fine roots and 1.0 very coarse roots and 3.0 medium roots and 1.0 fine roots and 3.0 coarse roots; 32 percent by volume nonflat 2-?-75 millimeter granodiorite fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary.; slightly moist when described; observed in trench

C1—74 to 104 centimeters (29.1 to 40.9 inches); pale yellow (2.5Y 7/4), olive brown (2.5Y 4/3), moist; very gravelly loamy sand; 87 percent sand; 10 percent silt; 3 percent clay; structureless massive; slightly hard, friable, noncoherent, nonsticky, nonplastic; 0.5 very fine roots and 0.5 medium roots and 1.0 fine roots; 37 percent by volume nonflat 2-?-75 millimeter granodiorite fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary.; moderately moist when described; observed in trench

C2—104 to 137 centimeters (40.9 to 53.9 inches); pale yellow (2.5Y 7/4), olive brown (2.5Y 4/3), moist; very gravelly loamy sand; 85 percent sand; 11 percent silt; 4 percent clay; structureless massive; slightly hard, friable, noncoherent, nonsticky, nonplastic; 3.0 very fine roots and 1.0 fine roots; 32 percent by volume nonflat 2-?-75 millimeter granodiorite fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary.; moderately moist when described; observed in trench

Crx—137 to 155 centimeters (53.9 to 61.0 inches); structureless massive; silica present; fragments.; observed in trench