IDENTIFIERS

Current Taxon Name (Soil Name): Sonoita

OSD

Series Extent

User Site ID: S1969AZ003028

User Pedon ID: S1969AZ003028

Vegetation Plot ID: S1969AZ003028

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 69C0174

NCSS Pedon Lab Data NASIS Record ID - 43747

Print Date: 11/12/2024

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: 32.1361122

Std. Longitude: -109.6900024

Datum: WGS84

Township: 15S

Range: 26E

Section: 16

PLSS Details: 400 feet south and 500 feet west of the northeast corner

Location Description: East of Kansas Settlement Road, about 13 miles east and 2 miles north of Cochise.

State: Arizona

County: AZ003—Cochise

PEDON

Describers Name: D. Richmond, H. Havens, K. Dunstan

Current Taxonomic Class: Coarse-loamy, mixed, superactive, thermic Ustic Haplargids

Current Taxon Kind: series

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 28

Correlated Information:

Soil Name - Sonoita

Classificaton Date - 2/1/2010

Moisture Class - ustic

Moisture Subclass - ustic

Sampled As Information:

Soil Name - Sonoita

Classificaton Date - 10/23/1969

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landform: fan

Slope Shape Down: convex

Runoff: low

Drainage Class: well

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 10/23/1969 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - rangeland, grassland

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
ARIST ARIST BORO2 BORO2 YUCCA	Aristida Aristida Bouteloua rothrockii Bouteloua rothrockii Yucca	threeawn threeawn Rothrock's grama Rothrock's grama yucca	— — — — —	— — — — —	— — — — —

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	—	—	1341	—	270	305	—	—	15.6	25.6	—	—	—	—	—	—	—	—	—

A11—0 to 5 centimeters (0.0 to 2.0 inches); brown (7.5YR 5/4), dark reddish brown (5YR 3/4), moist; sandy loam; weak thin platy structure; slightly hard, friable, nonsticky, nonplastic; 21.0 fine and medium roots; 3.0 fine and medium tubular pores; fragments; 6 Bromthymol blue; noneffervescent; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary.; dry when described;

A12—5 to 15 centimeters (2.0 to 5.9 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; sandy loam; weak fine subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 21.0 fine and medium roots; 3.0 fine and medium tubular pores; fragments; 6 Bromthymol blue; noneffervescent; moderately acid, pH 6.0, hellige-truog; clear smooth boundary.; dry when described;

B21T—15 to 38 centimeters (5.9 to 15.0 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; gravelly sandy clay loam; massive parts to weak fine subangular blocky; hard when dry, friable, slightly sticky, slightly plastic; 3.0 fine and medium roots; 3.0 fine and medium tubular pores; 30 percent clay films on faces of peds and in pores; 15 percent by volume angular 2-39-75 millimeter andesitic-ash fragments; 7 Bromthymol blue; noneffervescent; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 69C00889; dry when described;. contains about 15 percent by volume of 2 to 5 mm angular granite, rhyolite and andesite gravel

B22T—38 to 56 centimeters (15.0 to 22.0 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; gravelly sandy clay loam; massive parts to weak fine subangular blocky; hard when dry, friable, slightly sticky, slightly plastic; 0.5 fine and medium roots; 3.0 fine and medium tubular pores; 30 percent clay films on faces of peds and in pores; 20 percent by volume angular 2-39-75 millimeter andesitic-ash fragments; 7 Bromthymol blue; noneffervescent; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 69C00890; dry when described;. contains about 20 percent by volume of 2 to 15 mm angular granite, rhyolite and andesite gravel; 15 to 20 percent fine and medium gravel

B23t—56 to 79 centimeters (22.0 to 31.1 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; gravelly sandy clay loam; massive; hard when dry, friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 21.0 very fine and fine tubular pores; clay bridges and 30 percent clay films on faces of peds and in pores; 20 percent by volume angular 2-39-75 millimeter andesitic-ash fragments; 8 Thymol-blue; slight effervescence; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary.; dry when described;. about 20 percent by volume of 2 to 25 mm angular granite, rhyolite and andesite gravel

B31tca—79 to 97 centimeters (31.1 to 38.2 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; gravelly sandy clay loam; massive; hard when dry, friable, slightly sticky, slightly plastic; 21.0 very fine and fine tubular pores; clay bridges and 30 percent clay films on faces of peds and in pores; 25 percent by volume rounded 2-39-75 millimeter andesitic-ash fragments; 8 Thymol-blue; slight effervescence; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary.; dry when described;. has bout 25 percent by volume of rounded granite, rhyolite and andesite gravel of 3 to 80 mm

Cca—97 to 119 centimeters (38.2 to 46.9 inches); brown (7.5YR 5/4), reddish brown (5YR 4/4), moist; sandy clay loam; massive; slightly hard, friable, slightly sticky, slightly plastic; fragments; 8 Thymol-blue; slight effervescence; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary.; dry when described;

B2tbca—119 to 150 centimeters (46.9 to 59.1 inches); red (2.5YR 4/6), dark red (2.5YR 3/6), moist; clay; massive; hard when dry, friable, moderately sticky, moderately plastic; fragments; 8 Thymol-blue; slight effervescence; moderately alkaline, pH 8.0, hellige-truog.; dry when described;