IDENTIFIERS
Current Taxon Name (Soil Name):
Tres Hermanos
OSD
Series Extent
User Site ID:
S1973AZ009004
User Pedon ID:
S1973AZ009004
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
73C0125
NCSS Pedon Lab Data NASIS Record ID -
44759
Print Date:
2/16/2025
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:
32.7442741
Std. Longitude:
-109.3442535
Datum:
WGS84
Township:
8S
Range:
29E
Section:
14
PLSS Details:
3,700 feet east and 200 feet south of NW corner
Location Description:
Graham County, Arizona. San Simon Area.
State:
Arizona
County:
AZ009—Graham
Non-MLRA Soil Survey Area:
AZ673—Graham County, Arizona, Southwestern Part
PEDON
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
4
Sampled As Information:
Soil Name -
Tres Hermanos
PSC -
13 to 27 cm.
Classificaton Date -
6/1/1973
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landform:
nearly level alluvial fan
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
6/1/1973 (actual site observation date)
Surface Cover Properties:
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
durinodes
27—38
—-
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
—
—
1243.6
—
270
254
—
—
—
—
—
—
—
—
—
—
—
—
—
A1—0 to 8 centimeters (0.0 to 3.1 inches); brown (7.5YR 4/4), pinkish gray (7.5YR 6/2), dry; gravelly loam; weak medium platy structure; soft, friable, slightly sticky, slightly plastic; 21.0 very fine roots; 21.0 very fine vesicular pores; 25 percent by volume unspecified fragments; strong effervescence; moderately alkaline, pH 8.2; abrupt wavy boundary. Lab sample # 73C00834
B1—8 to 13 centimeters (3.1 to 5.1 inches); reddish brown (5YR 4/4), light reddish brown (5YR 6/3), dry; gravelly loam; weak fine subangular blocky structure; soft, friable, slightly sticky, slightly plastic; 3.0 very fine roots; 21.0 very fine tubular pores; 20 percent by volume unspecified fragments; strong effervescence; moderately alkaline, pH 8.2; abrupt wavy boundary. Lab sample # 73C00835
B2T—13 to 27 centimeters (5.1 to 10.6 inches); reddish brown (5YR 4/4), light reddish brown (5YR 6/3), dry; gravelly clay loam; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; 21.0 very fine roots and 3.0 fine roots; 21.0 very fine tubular and 21.0 very fine interstitial pores; 30 percent by volume unspecified fragments; violent effervescence; moderately alkaline, pH 8.2; clear wavy boundary. Lab sample # 73C00836
B3—27 to 38 centimeters (10.6 to 15.0 inches); reddish brown (5YR 5/3), light reddish brown (5YR 6/3), dry; very gravelly clay loam; weak fine subangular blocky structure; moderately hard, very friable, slightly sticky, moderately plastic; 21.0 very fine roots; 21.0 very fine interstitial pores; 50 percent by volume unspecified fragments; violent effervescence; moderately alkaline, pH 8.2; abrupt wavy boundary. Lab sample # 73C00837
C1CA—38 to 49 centimeters (15.0 to 19.3 inches); pinkish white (5YR 8/2), white (5YR 8/1), dry; gravelly loam; massive; extremely hard, extremely firm, nonsticky, nonplastic; 3.0 very fine roots; 0.5 very fine tubular pores; moderately coherent cemented carbonate concretions; 20 percent by volume unspecified fragments; violent effervescence; strongly alkaline, pH 8.8; abrupt wavy boundary. Lab sample # 73C00838
C2SICAM—49 to 98 centimeters (19.3 to 38.6 inches); pinkish white (5YR 8/2), white (N 8/0), dry; massive; extremely hard, extremely firm, nonsticky, nonplastic; 25 percent by volume unspecified fragments; strong effervescence; strongly alkaline, pH 8.8; clear wavy boundary. Lab sample # 73C00839
C3CA—98 to 124 centimeters (38.6 to 48.8 inches); pinkish white (7.5YR 8/2), white (N 8/0), dry; very gravelly sandy loam; massive; very hard, very firm, nonsticky, nonplastic; 3.0 very fine interstitial pores; 50 percent by volume unspecified fragments; violent effervescence; strongly alkaline, pH 8.6. Lab sample # 73C00840