IDENTIFIERS

Current Taxon Name (Soil Name): McIvey

OSD

Series Extent

User Site ID: S2005NV007004

User Pedon ID: S2005NV007004

Vegetation Plot ID: S2005NV007004

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 06N0245

NCSS Pedon Lab Data NASIS Record ID - 17980

Print Date: 4/22/2025

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: 41.4416656

Std. Longitude: -115.0644455

Datum: WGS84

Township: 41N.

Range: 61E.

Section: 15

PLSS Details: about 1,250 feet east and 2,000 feet north of the southwest corner of

Location Description: about 25 miles north-northwest of Wells

Map Unit: 040—McIvey-Quarz association

State: Nevada

County: NV007—Elko

MLRA: 25—Owyhee High Plateau

Non-MLRA Soil Survey Area: NV765—Elko County, Nevada, Northeast Part

7.5 Minute USGS Quad: 41115-D1—Black Butte NE, Nevada

PEDON

Describers Name: PWB-RLB-JVC

Current Taxonomic Class: Clayey-skeletal, smectitic, frigid Typic Argixerolls

Current Taxon Kind: series

Pedon Type: OSD pedon

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 4

Correlated Information:

Soil Name - McIvey

PSC - 46 to 96 cm.

Classificaton Date - 6/29/2006

Soil Taxonomic Edition - ninth edition

Moisture Class - xeric

Moisture Subclass - typic

Sampled As Information:

Soil Name - McIvey

Classificaton Date - 8/16/2005

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: colluvium derived from volcanic and sedimentary rock

Landscape: hills

Landform: backslope hill

Runoff: very high

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Surface Fragments: 20.00 percent nonflat indurated 2- to 76-millimeter volcanic, unspecified, 2.00 percent nonflat 250- to 600-millimeter volcanic, unspecified,

Benchmark Soil?: no

VEGETATION

Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
Ecological Site ID	Ecological Site Name	Correlation Data	Classifier
R025XY012NV	LOAMY SLOPE 12-16 P.Z.

SITE OBSERVATION

Observation Date: 8/16/2005 (actual site observation date)

Plant Association Name: R025XY012NV LOAMY SLOPE 12-16" P.Z.

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
AMELA ARTRV FEID LECI4 SYMPH	Amelanchier Artemisia tridentata ssp. vaseyana Festuca idahoensis Leymus cinereus Symphoricarpos	serviceberry mountain big sagebrush Idaho fescue basin wildrye snowberry	— — — — —	— — — — —	— — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon argillic horizon	0—46 46—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
45	—	—	2073	—	23	356	—	—	6.1	—	—	—	—	—	—	—	—	—	—

A1—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2), very dark brown (10YR 2/2), moist; gravelly loam; weak very fine granular structure; soft, very friable, slightly sticky, slightly plastic; moderate excavation difficulty; 10.0 very fine roots; 3.0 very fine tubular pores; 25 percent by volume indurated 2-39-75 millimeter unspecified fragments; neutral, pH 6.8; abrupt wavy boundary. Lab sample # 06N00935; observed in pit, small. bulk horizon sample was weighed and sieved prior to bagging: total weight = 19 lbs; 20-75 mm fragments = 1 lb; 75-250 mm fragments = 0 lb.

A2—8 to 33 centimeters (3.1 to 13.0 inches); grayish brown (10YR 5/2), very dark brown (10YR 2/2), moist; gravelly loam; strong fine subangular blocky structure; slightly hard, very friable, moderately sticky, moderately plastic; moderate excavation difficulty; 10.0 very fine roots and 3.0 fine roots; 10.0 very fine and 0.5 fine tubular pores; 30 percent by volume indurated 2-39-75 millimeter unspecified fragments; neutral, pH 6.8; clear wavy boundary. Lab sample # 06N00936; observed in pit, small. bulk horizon sample was weighed and sieved prior to bagging: total weight = 24 lbs; 20-75 mm fragments = 8 lb; 75-250 mm fragments = 3 lb.

A/Bt—33 to 46 centimeters (13.0 to 18.1 inches); brown (10YR 5/3), very dark grayish brown (10YR 3/2), moist; very gravelly loam; moderate medium subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; moderate excavation difficulty; 3.0 very fine roots; 10.0 very fine and 3.0 fine tubular pores; 5 percent by volume indurated 75-162-250 millimeter unspecified fragments and 30 percent by volume indurated 2-39-75 millimeter unspecified fragments; neutral, pH 6.8; clear wavy boundary. Lab sample # 06N00937; observed in pit, small. bulk horizon sample was weighed and sieved prior to bagging: total weight = 13 lbs; 20-75 mm fragments = 2 lb; 75-250 mm fragments = 0 lb.

Bt1—46 to 58 centimeters (18.1 to 22.8 inches); brown (10YR 5/3), brown (10YR 4/3), moist; very gravelly clay loam; moderate medium subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; high excavation difficulty; 0.5 very fine roots; 10.0 very fine and 3.0 fine tubular pores; 5 percent by volume indurated 75-162-250 millimeter unspecified fragments and 40 percent by volume indurated 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.4; clear wavy boundary. Lab sample # 06N00938; observed in pit, small. bulk horizon sample was weighed and sieved prior to bagging: total weight = 12 lbs; 20-75 mm fragments = 2 lb; 75-250 mm fragments = 0 lb.

Bt2—58 to 81 centimeters (22.8 to 31.9 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; very gravelly clay; strong medium angular blocky structure; very hard, firm, very sticky, very plastic; high excavation difficulty; 0.5 very fine roots; 10.0 very fine and 0.5 fine tubular pores; 5 percent by volume indurated 75-162-250 millimeter unspecified fragments and 45 percent by volume indurated 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.3; gradual wavy boundary. Lab sample # 06N00939; observed in pit, small

Bt3—81 to 119 centimeters (31.9 to 46.9 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; very gravelly clay; moderate medium and coarse subangular blocky structure; very hard, firm, very sticky, very plastic; very high excavation difficulty; 0.5 very fine roots; 3.0 very fine tubular pores; 5 percent by volume indurated 75-162-250 millimeter unspecified fragments and 45 percent by volume indurated 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.3; gradual wavy boundary. Lab sample # 06N00940; observed in pit, small. bulk horizon sample was weighed and sieved prior to bagging: total weight = 17 lbs; 20-75 mm fragments = 3 lb; 75-250 mm fragments = 4 lb.

Bt4—119 to 152 centimeters (46.9 to 59.8 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 3/4), moist; extremely gravelly clay loam; 38 percent clay; weak medium and coarse subangular blocky structure; hard, firm, moderately sticky, moderately plastic; very high excavation difficulty; 0.5 very fine to medium roots; 3.0 very fine and fine tubular pores; 5 percent by volume indurated 75-162-250 millimeter unspecified fragments and 15 percent by volume weakly coherent cemented 2-39-76 millimeter unspecified fragments and 60 percent by volume indurated 2-39-76 millimeter unspecified fragments; slightly acid, pH 6.3. Lab sample # 06N00941; observed in pit, small. bulk horizon sample was weighed and sieved prior to bagging: total weight = 31 lbs; 20-75 mm fragments = 8 lb; 75-250 mm fragments = 0 lb.