IDENTIFIERS

Current Taxon Name (Soil Name): Continental

OSD

Series Extent

User Site ID: S1968AZ023002

User Pedon ID: S1968AZ023002

Vegetation Plot ID: S1968AZ023002

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 68C0141

NCSS Pedon Lab Data NASIS Record ID - 43593

Print Date: 11/11/2024

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: 31.6913891

Std. Longitude: -111.0777740

Datum: WGS84

Township: 20S

Range: 12E

Section: 14

PLSS Details: 2.3 miles west-southwest of Amado School. 0.9 mile south-southeast of a windmill and 270 feet west of ranch road.

Location Description: Photo AMS-590.

State: Arizona

County: AZ023—Santa Cruz

Non-MLRA Soil Survey Area: AZ667—Santa Cruz and Parts of Cochise and Pima Counties, Arizona

PEDON

Describers Name: Richardson and Clemmons

Current Taxonomic Class: Fine-loamy, mixed, thermic Typic Haplargids

Current Taxon Kind: series

Pedon Type: taxadjunct to the series

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 2

Sampled As Information:

Soil Name - Continental

Taxonomic Class - Fine-loamy, mixed, thermic Typic Haplargids

PSC - 25 to 76 cm.

Classificaton Date - 10/9/1968

Moisture Class - aridic (torric)

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landform: fan

Runoff: medium

Drainage Class: well

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 10/9/1968 (actual site observation date)

Air Photo ID: AMS-590

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
ARIST ARIST BORA BORO2 BORO2 ISTE2	Aristida Aristida Bouteloua radicosa Bouteloua rothrockii Bouteloua rothrockii Isocoma tenuisecta	threeawn threeawn purple grama Rothrock's grama Rothrock's grama burroweed	— — — — — —	— — — — — —	— — — — — —

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
3	—	—	1006	—	90	305	—	—	17.8	—	—	—	—	—	—	—	—	—	—

A11—0 to 8 centimeters (0.0 to 3.1 inches); reddish brown (5YR 5/4), dark reddish brown (5YR 3/4), moist; gravelly sandy loam; weak fine and medium platy structure; slightly hard, very friable, nonsticky, nonplastic; 3.0 very fine and fine roots; 21.0 fine interstitial pores; 30 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; strongly alkaline, pH 8.5, bromthymol blue; abrupt smooth boundary. Lab sample # 68C01017; dry when described;

A—0 to 38 centimeters (0.0 to 15.0 inches); fragments. Lab sample # 68C01025; dry when described;. 0 to 15 inch horizon sampled from 20 pedons selected at 10-foot intervals from two 100-foot transects that intersect near the backhoe pit.

A12—8 to 15 centimeters (3.1 to 5.9 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; gravelly sandy loam; weak fine and medium granular structure; slightly hard, very friable, slightly sticky, nonplastic; 3.0 very fine and fine roots; 0.5 very fine and fine tubular pores; 25 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; slightly acid, pH 6.5, bromthymol blue; clear smooth boundary. Lab sample # 68C01018; dry when described;

B1—15 to 25 centimeters (5.9 to 9.8 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; gravelly sandy clay loam; moderate fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots; 3.0 fine and medium tubular pores; 10 percent clay films on faces of peds and in pores; 30 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; neutral, pH 7.0, bromthymol blue; clear wavy boundary. Lab sample # 68C01019; dry when described;

B21T—25 to 48 centimeters (9.8 to 18.9 inches); reddish brown (2.5YR 4/4), dark red (2.5YR 3/6), moist; gravelly clay; weak medium and coarse prismatic parts to moderate medium and coarse subangular blocky structure; very hard, friable, moderately sticky, moderately plastic; 3.0 very fine and fine roots and 0.5 medium roots; 3.0 fine pores; 30 percent on faces of peds; 20 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; slightly alkaline, pH 7.8, bromthymol blue; clear wavy boundary. Lab sample # 68C01020; dry when described;

B22T—48 to 79 centimeters (18.9 to 31.1 inches); red (2.5YR 4/6), red (2.5YR 4/6), moist; gravelly clay; weak medium subangular blocky structure; very hard, friable, moderately sticky, very plastic; 0.5 very fine and fine roots; 0.5 very fine and fine tubular pores; clay films on faces of peds and in pores; 60 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; moderately alkaline, pH 8.0, thymol-blue; abrupt wavy boundary. Lab sample # 68C01021; dry when described;

2B31CA—79 to 97 centimeters (31.1 to 38.2 inches); reddish brown (2.5YR 5/4), reddish brown (2.5YR 4/4), moist; very gravelly clay; massive; hard when dry, friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots; 0.5 medium tubular and 3.0 fine pores; 10 percent clay films on faces of peds and in pores; 5 percent by volume 75-162-250 millimeter unspecified fragments and 55 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.0, thymol-blue; clear wavy boundary. Lab sample # 68C01022; dry when described;

2B32CA—97 to 132 centimeters (38.2 to 52.0 inches); pink (5YR 7/3), reddish brown (5YR 5/4), moist; very gravelly sandy clay loam; 3 percent reddish brown (5YR 5/4) medium distinct mottles; massive; hard when dry, friable, moderately sticky, slightly plastic; 0.5 very fine roots; 0.5 very fine and fine tubular and 3.0 fine interstitial pores; 10 percent clay films on faces of peds and in pores; 50 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.0, thymol-blue; clear wavy boundary. Lab sample # 68C01023; dry when described;

2B33CA—132 to 183 centimeters (52.0 to 72.0 inches); light reddish brown (5YR 6/3), reddish brown (5YR 5/4), moist; gravelly sandy clay loam; 3 percent white (5YR 8/1) fine faint mottles; massive; hard when dry, friable, slightly sticky, slightly plastic; 0.5 very fine roots; 3.0 very fine tubular and 3.0 fine interstitial pores; 10 percent clay films on faces of peds and in pores; 20 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; moderately alkaline, pH 8.0, thymol-blue. Lab sample # 68C01024; dry when described;