IDENTIFIERS

Current Taxon Name (Soil Name): Casto

OSD

Series Extent

User Site ID: S1968AZ003003

User Pedon ID: S1968AZ003003

Vegetation Plot ID: S1968AZ003003

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 68C0137

NCSS Pedon Lab Data NASIS Record ID - 43589

Print Date: 1/30/2025

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: 31.4513893

Std. Longitude: -110.4400024

Datum: WGS84

Township: 23S

Range: 19E

Section: 8

PLSS Details: Approximately 500 feet south and 700 feet east of W 1/4 corner

Location Description: 8.5 miles southwest of Fort Huachuca, 1.1 mile north-northeast of road from Parker Canyon on Highway 83 on top of ridge above curve in road. Photo AMS 663 (FS 22-41).

State: Arizona

County: AZ003—Cochise

PEDON

Describers Name: Havens, Clemmons and Richardson

Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Aridic Haplustalfs

Current Taxon Kind: series

Pedon Type: taxadjunct to the series

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 3

Correlated Information:

Soil Name - Casto

PSC - 3 to 53 cm.

Classificaton Date - 7/11/2007

Moisture Class - ustic

Moisture Subclass - aridic (torric)

Sampled As Information:

Soil Name - Casto

Classificaton Date - 10/16/1968

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landform: alluvial fan

Runoff: medium

Drainage Class: well

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 10/16/1968 (actual site observation date)

Air Photo ID: AMS 663

Surface Cover Properties:

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 ARCTO3 ARIST ARIST BOGR2 BOGR2 DICA8 ERIN JUNIP LYCUR LYCUR QUERC	Arctostaphylos Arctostaphylos Aristida Aristida Bouteloua gracilis Bouteloua gracilis Digitaria californica Eragrostis intermedia Juniperus Lycurus Lycurus Quercus	manzanita manzanita threeawn threeawn blue grama blue grama Arizona cottontop plains lovegrass juniper wolfstail wolfstail oak	— — — — — — — — — — — —	— — — — — — — — — — — —	— — — — — — — — — — — —

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
20	—	—	1707	—	315	508	—	—	13.3	—	—	—	—	—	—	—	—	—	—

A1—0 to 3 centimeters (0.0 to 1.2 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; very gravelly sandy clay loam; moderate fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 fine and medium roots; 3.0 fine interstitial and tubular pores; fragments; noneffervescent; slightly alkaline, pH 7.8, bromthymol blue. Lab sample # 68C00995; dry when described;

B21T—3 to 13 centimeters (1.2 to 5.1 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; gravelly clay loam; moderate medium subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 very fine roots and fine and medium roots; 0.5 fine tubular pores; 10 percent clay films on faces of peds and in pores; fragments; noneffervescent; slightly alkaline, pH 7.6, bromthymol blue. Lab sample # 68C00996; dry when described;

B22T—13 to 28 centimeters (5.1 to 11.0 inches); reddish brown (5YR 4/4), reddish brown (5YR 4/4), moist; gravelly clay; moderate medium and coarse subangular blocky, and angular blocky structure; hard when dry, firm, moderately sticky, moderately plastic; 3.0 fine and medium roots; 0.5 fine tubular pores; 30 percent clay films on faces of peds and in pores; fragments; noneffervescent; neutral, pH 7.2, bromthymol blue. Lab sample # 68C00997; dry when described;

B23T—28 to 41 centimeters (11.0 to 16.1 inches); reddish brown (5YR 4/3), reddish brown (5YR 4/3), moist; very gravelly clay; 21 percent pinkish gray (7.5YR 7/2) medium and coarse distinct mottles; moderate medium and coarse subangular blocky, and angular blocky structure; very hard, firm, moderately sticky, moderately plastic; 3.0 fine and medium roots; 0.5 fine tubular pores; 30 percent clay films on faces of peds and in pores; fragments; noneffervescent; neutral, pH 7.2, bromthymol blue. Lab sample # 68C00998; dry when described;

B3T—41 to 56 centimeters (16.1 to 22.0 inches); pinkish gray (7.5YR 7/2) and reddish brown (5YR 4/4), brown (7.5YR 5/2) and reddish brown (5YR 4/4), moist; very gravelly clay; massive parts to moderate fine and medium subangular blocky; very hard, firm, moderately sticky, moderately plastic; 0.5 fine and medium roots; 30 percent clay films on faces of peds and in pores; fragments; noneffervescent; slightly alkaline, pH 7.4, bromthymol blue. Lab sample # 68C00999; dry when described;

C1—56 to 71 centimeters (22.0 to 28.0 inches); pinkish gray (7.5YR 7/2) and reddish brown (5YR 4/4), light brown (7.5YR 6/4) and reddish brown (5YR 4/4), moist; very gravelly clay; massive; very hard, firm, moderately sticky, moderately plastic; 0.5 fine roots; 30 percent clay films; fragments; slight effervescence; slightly alkaline, pH 7.6, bromthymol blue. Lab sample # 68C01000; dry when described;

C2—71 to 114 centimeters (28.0 to 44.9 inches); pinkish white (7.5YR 8/2), brown (7.5YR 5/2), moist; very gravelly sandy loam; massive; hard when dry, friable, slightly sticky, slightly plastic; fragments; slight effervescence; moderately alkaline, pH 8.0, thymol-blue. Lab sample # 68C01001; dry when described;

C3—114 to 152 centimeters (44.9 to 59.8 inches); pinkish white (7.5YR 8/2), brown (7.5YR 5/2), moist; very gravelly sandy loam; massive; hard when dry, friable, slightly sticky, slightly plastic; fragments; strong effervescence; moderately alkaline, pH 8.2, thymol-blue. Lab sample # 68C01002; dry when described;