IDENTIFIERS

Current Taxon Name (Soil Name): Casto

OSD

Series Extent

User Site ID: S1968AZ003004

User Pedon ID: S1968AZ003004

Vegetation Plot ID: S1968AZ003004

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 68C0138

NCSS Pedon Lab Data NASIS Record ID - 43590

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: 31.4027786

Std. Longitude: -110.4305573

Datum: WGS84

Township: 23S

Range: 19E

Section: 29

PLSS Details: 1700 feet west and 2350 feet south of NE corner

Location Description: 11 miles west of south from Fort Huachuca, 2-1/4 miles south-southeast of Parker Canyon Lodge, approximately 3800 feet southwest of intersection Forest Service Roads 48 and 61, Photo AMS 662 (FS EEX 22-44).

State: Arizona

County: AZ003—Cochise

PEDON

Describers Name: Havens and Richardson

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

Current Taxon Kind: series

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 4

Correlated Information:

Soil Name - Casto

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: terrace

Runoff: high

Drainage Class: well

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

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

Air Photo ID: AMS 662

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
ACBE BOCH BOCH BOGR2 BOGR2 ERIN JUNIP LYCUR LYCUR QUERC	Acacia berlandieri Bouteloua chondrosioides Bouteloua chondrosioides Bouteloua gracilis Bouteloua gracilis Eragrostis intermedia Juniperus Lycurus Lycurus Quercus	guajillo sprucetop grama sprucetop grama blue grama blue grama 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
15	—	—	1707	—	315	483	—	—	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; gravelly sandy loam; moderate fine granular structure; slightly hard, friable, nonsticky, slightly plastic; 21.0 very fine and fine roots; 3.0 fine interstitial pores; fragments; noneffervescent; slightly acid, pH 6.5, bromthymol blue; abrupt smooth boundary.; 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 angular blocky, and subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 very fine and fine roots; 3.0 fine interstitial pores; 10 percent clay films on faces of peds and in pores; fragments; noneffervescent; neutral, pH 7.0, bromthymol blue; clear smooth boundary.; 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 angular blocky, and subangular 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; moderately acid, pH 6.0, bromthymol blue; clear wavy boundary.; dry when described;

B23t—28 to 46 centimeters (11.0 to 18.1 inches); reddish brown (5YR 4/4), reddish brown (5YR 4/4), moist; very gravelly clay; weak medium and coarse subangular 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; slightly acid, pH 6.5, bromthymol blue; clear wavy boundary.; dry when described;

B3t—46 to 61 centimeters (18.1 to 24.0 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 weak medium subangular blocky; very hard, firm, moderately sticky, moderately plastic; 0.5 fine and medium roots; 0.5 fine tubular pores; 30 percent clay films on faces of peds and in pores; fragments; noneffervescent; neutral, pH 6.6, bromthymol blue; clear wavy boundary.; dry when described;

C1—61 to 86 centimeters (24.0 to 33.9 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 sandy clay loam; massive; very hard, friable, slightly sticky, moderately plastic; 0.5 fine and medium roots; 0.5 fine tubular pores; fragments; noneffervescent; neutral, pH 6.6, bromthymol blue; clear wavy boundary.; dry when described;

C2CA—86 to 122 centimeters (33.9 to 48.0 inches); pinkish white (7.5YR 8/2), light brown (7.5YR 6/4), moist; very gravelly sandy clay loam; pinkish white (7.5YR 8/2) and reddish brown (5YR 5/4) and 3 percent reddish brown (5YR 4/4) medium distinct mottles; massive; hard when dry, friable, slightly sticky, slightly plastic; 0.5 fine and medium roots; fragments; strong effervescence; moderately alkaline, pH 8.2, thymol-blue; clear irregular boundary. Lab sample # 68C01003; dry when described;

C3CA—122 to 137 centimeters (48.0 to 53.9 inches); pinkish white (7.5YR 8/2), brown (7.5YR 5/2), moist; very gravelly sandy clay loam; massive; hard when dry, friable, slightly sticky, slightly plastic; fragments; strong effervescence; moderately alkaline, pH 8.0, thymol-blue. Lab sample # 68C01004; dry when described;