IDENTIFIERS

Current Taxon Name (Soil Name): McChord

OSD

Series Extent

User Site ID: 09-BAL-101

User Pedon ID: S09WA053101

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 10N0473

NCSS Pedon Lab Data NASIS Record ID - 28289

Print Date: 11/26/2024

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: 47.0430565

Std. Longitude: -122.6453629

Datum: WGS84

Map Unit: 2101—McChord-Everett complex, 3 to 15 percent slopes

State: Washington

County: WA053—Pierce

MLRA: 2—Willamette and Puget Sound Valleys

Non-MLRA Soil Survey Area: WA777—Joint Base Lewis-McChord Area, Washington, Parts of Pierce and Thurston Counties

7.5 Minute USGS Quad: 47122-A6—Nisqually, Washington

PEDON

Describers Name: Bruce Lindsay

Current Taxonomic Class: Loamy-skeletal, isotic, mesic Vitrandic Dystroxerepts

Pedon Type: OSD pedon

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Pedon #: 101

Sampled As Information:

Soil Name - McChord

Taxonomic Class - Loamy-skeletal, isotic, mesic Vitrandic Dystroxerepts

Classificaton Date - 8/11/2009

Soil Taxonomic Edition - ninth edition

Moisture Class - xeric

Moisture SUBClass - typic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: volcanic ash and/or glacial drift over dense glaciomarine deposits

Landscape: glacial plains

Landform: drumlin

Drainage Class: moderately well

Flooding: none flooding

Ponding: none ponding

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 8/11/2009 (actual site observation date)

Surface Cover Properties:

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
densic material	noncoherent	119 - 152	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon volcanic glass cambic horizon aquic conditions densic materials	5—20 5—119 20—76 76—119 119—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
2	—	—	100	—	220	1143	—	220	9.4	—	—	10.6	—	—	—	—	—	—	—

Oi—0 to 5 centimeters (0.0 to 2.0 inches); slightly decomposed plant material; loose, loose, nonsticky, nonplastic; very rapid permeability; 30 percent by volume indurated 5-41-75 millimeter unspecified fragments and 30 percent by volume indurated 2-4-5 millimeter unspecified fragments; strongly acid, pH 5.5; abrupt wavy boundary.; moist when described; observed in pit, small

A—5 to 20 centimeters (2.0 to 7.9 inches); very dark gray (10YR 3/1), grayish brown (10YR 5/2), moist; very gravelly sandy loam; 70 percent sand; 15 percent silt; 15 percent clay; strong fine granular structure; soft, very friable, nonsticky, nonplastic; moderately rapid permeability; 8.0 very fine roots throughout and 8.0 medium roots throughout and 8.0 fine roots throughout and 0.8 coarse roots throughout; 3.0 very fine irregular and 3.0 fine tubular pores; 5 percent by volume nonflat well rounded indurated 75-100-250 millimeter unspecified fragments and 35 percent by volume nonflat well rounded indurated 2-41-75 millimeter unspecified fragments; moderately acid, pH 6.0; clear wavy boundary. Lab sample # 10N01925; moist when described; observed in pit, small

Bw1—20 to 53 centimeters (7.9 to 20.9 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; very gravelly sandy loam; 70 percent sand; 15 percent silt; 15 percent clay; moderate fine subangular blocky structure; soft, loose, nonsticky, nonplastic; moderately rapid permeability; 8.0 very fine roots throughout and 8.0 medium roots throughout and 8.0 fine roots throughout and 0.8 coarse roots throughout; 3.0 very fine irregular and 3.0 fine tubular pores; 5 percent by volume indurated 75-163-250 millimeter unspecified fragments and 35 percent by volume indurated 2-4-75 millimeter unspecified fragments; moderately acid, pH 6.0; clear wavy boundary. Lab sample # 10N01926; moist when described; observed in pit, small

Bw2—53 to 76 centimeters (20.9 to 29.9 inches); yellowish brown (10YR 5/6), yellowish brown (10YR 5/4), moist; very gravelly loamy sand; 85 percent sand; 15 percent silt; 5 percent clay; weak fine subangular blocky structure; soft, loose, nonsticky, nonplastic; moderately rapid permeability; 8.0 very fine roots throughout and 8.0 medium roots throughout and 8.0 fine roots throughout and 0.8 coarse roots throughout; 3.0 very fine irregular and 3.0 fine tubular pores; 5 percent by volume indurated 75-163-250 millimeter unspecified fragments and 35 percent by volume indurated 2-4-75 millimeter unspecified fragments; moderately acid, pH 6.0; clear wavy boundary. Lab sample # 10N01927; moist when described; observed in pit, small

Bg—76 to 119 centimeters (29.9 to 46.9 inches); 70 percent light brownish gray (2.5Y 6/2), 70 percent light olive brown (2.5Y 5/3), moist; very gravelly loamy sand; 85 percent sand; 15 percent silt; 5 percent clay; massive; moderately hard, friable, nonsticky, nonplastic; moderate permeability; 3.0 very fine roots throughout and 0.8 medium roots throughout and 3.0 fine roots throughout; 3.0 very fine irregular pores; 10 percent dark yellowish brown (10YR 4/6), moist, and brownish yellow (10YR 6/6), dry, iron-manganese masses and 20 percent light gray (2.5Y 7/1), dry, and dark grayish brown (2.5Y 4/2), moist, iron depletions; 5 percent by volume indurated 75-163-250 millimeter unspecified fragments and 45 percent by volume indurated 2-4-75 millimeter unspecified fragments; moderately acid, pH 6.0; abrupt wavy boundary. Lab sample # 10N01928; moist when described; observed in pit, small

Cd—119 to 152 centimeters (46.9 to 59.8 inches); 85 percent light brownish gray (2.5Y 6/2), 85 percent light olive brown (2.5Y 5/3), moist; extremely gravelly loamy sand; 85 percent sand; 15 percent silt; 5 percent clay; massive; very hard, very firm, moderately sticky, very plastic; very slow permeability; 0.8 fine roots in cracks; 0.8 very fine irregular pores; 5 percent dark grayish brown (2.5Y 4/2), moist, and light gray (2.5Y 7/1), dry, iron depletions and 10 percent dark yellowish brown (10YR 4/6), moist, and brownish yellow (10YR 6/6), dry, iron-manganese masses; 20 percent by volume indurated 75-163-250 millimeter unspecified fragments and 50 percent by volume indurated 2-4-75 millimeter unspecified fragments; strongly acid, pH 5.5.; moist when described; observed in pit, small