IDENTIFIERS

Current Taxon Name (Soil Name): NAHDA

OSD

Series Extent

User Site ID: S1974AZ019006

User Pedon ID: S1974AZ019006

Vegetation Plot ID: S1974AZ019006

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 74C0177

NCSS Pedon Lab Data NASIS Record ID - 44938

Print Date: 10/31/2024

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: 32.1558342

Std. Longitude: -110.7680588

Datum: WGS84

Township: 15S

Range: 16E

Section: 1

PLSS Details: 200 feet E and 650 feet N of W1/4 corner

State: Arizona

County: AZ019—Pima

MLRA: 40—Sonoran Basin and Range

Non-MLRA Soil Survey Area: AZ669—Pima County, Arizona, Eastern Part

PEDON

Describers Name: j Jay, M Richardson, R. Barmore

Current Taxonomic Class: Clayey-skeletal, mixed, thermic Argic Petrocalcids

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 6

Correlated Information:

Soil Name - NAHDA

PSC - 5 to 55 cm.

Classificaton Date - 7/16/2007

Moisture Class - aridic (torric)

Sampled As Information:

Soil Name - Unnamed

Classificaton Date - 6/1/1974

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: old gravelly mixed alluvium derived from granite and gneiss

Landform: nearly level terrace

Runoff: medium

Drainage Class: well

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 6/1/1974 (actual site observation date)

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
EPVI ISTE2 LATR2 OPUNT PARKI2	Ephedra viridis Isocoma tenuisecta Larrea tridentata Opuntia Parkinsonia	mormon tea burroweed creosote bush pricklypear paloverde	— — — — —	— — — — —	— — — — —

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	—	—	853	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

A1—0 to 5 centimeters (0.0 to 2.0 inches); brown (7.5YR 5/4), dark brown (7.5YR 3/4), moist; very gravelly sandy loam; weak medium and coarse platy structure; slightly hard, very friable, slightly sticky, slightly plastic; 21.0 very fine roots and 3.0 fine roots; 21.0 very fine interstitial and 21.0 very fine tubular pores; 5 percent by volume 75-?-250 millimeter unspecified fragments and 50 percent by volume 2-?-75 millimeter unspecified fragments; noneffervescent; abrupt smooth boundary. Lab sample # 74C01044

B1—5 to 15 centimeters (2.0 to 5.9 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; very gravelly clay loam; weak fine and medium subangular blocky parts to moderate fine granular structure; slightly hard, friable, moderately sticky, moderately plastic; 21.0 very fine roots and 0.5 medium roots and 3.0 fine roots; 3.0 very fine tubular and 21.0 fine interstitial pores; 2 percent by volume 75-?-250 millimeter unspecified fragments and 50 percent by volume 2-?-75 millimeter unspecified fragments; noneffervescent; clear wavy boundary. Lab sample # 74C01045

B21t—15 to 38 centimeters (5.9 to 15.0 inches); dark reddish brown (2.5YR 3/4), dark red (2.5YR 3/6), moist; very gravelly clay; moderate fine subangular blocky structure; hard, friable, very sticky, very plastic; 0.5 very fine tubular and 21.0 fine interstitial pores; 2 percent by volume 75-?-250 millimeter unspecified fragments and 65 percent by volume 2-?-75 millimeter unspecified fragments; noneffervescent; slightly alkaline, pH 7.5, cresol red; gradual wavy boundary. Lab sample # 74C01046

B22t—38 to 61 centimeters (15.0 to 24.0 inches); dark reddish brown (2.5YR 3/4), dark red (2.5YR 3/6), moist; very gravelly clay; massive parts to moderate fine subangular blocky; very hard, friable, very sticky, very plastic; 3.0 very fine and fine roots and 0.5 medium roots between peds; 0.5 very fine tubular and 3.0 fine interstitial pores; 2 percent by volume 75-?-250 millimeter unspecified fragments and 65 percent by volume 2-?-75 millimeter unspecified fragments; noneffervescent; moderately alkaline, pH 8.0, cresol red; gradual wavy boundary. Lab sample # 74C01047

B23t—61 to 76 centimeters (24.0 to 29.9 inches); red (2.5YR 4/6), dark red (2.5YR 3/6), moist; very gravelly sandy clay; massive; hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots and 0.5 fine and medium roots; 0.5 very fine and fine tubular and 3.0 fine interstitial pores; 65 percent by volume 2-?-75 millimeter unspecified fragments; strong effervescence; clear wavy boundary. Lab sample # 74C01048

B3t—76 to 89 centimeters (29.9 to 35.0 inches); red (2.5YR 4/6), dark reddish brown (2.5YR 3/4), moist; very gravelly sandy clay; massive; hard, friable, moderately sticky, moderately plastic; 3.0 very fine roots and 0.5 fine and medium roots; 0.5 very fine and fine tubular and 3.0 fine interstitial pores; fragments; noneffervescent; abrupt wavy boundary. Lab sample # 74C01049

C1sicam—89 to 120 centimeters (35.0 to 47.2 inches); pinkish white (5YR 8/2), light reddish brown (5YR 6/4), moist; extremely hard, extremely firm; fragments; violent effervescence; clear wavy boundary. Lab sample # 74C01050

C2sica—120 to 213 centimeters (47.2 to 83.9 inches); light brown (7.5YR 6/4), brown (7.5YR 4/4), moist; loamy fine sand; massive; very hard, firm, nonsticky, nonplastic; 0.5 very fine roots; 0.5 very fine tubular and 3.0 very fine interstitial pores; fragments; strong effervescence; clear wavy boundary. Lab sample # 74C01051

2C3—213 to 254 centimeters (83.9 to 100.0 inches); very pale brown (10YR 7/3), brown (10YR 5/3), moist; fine sand; massive; hard, firm, nonsticky, nonplastic; 0.5 very fine tubular and 3.0 very fine interstitial pores; fragments; strong effervescence. Lab sample # 74C01052