IDENTIFIERS
Current Taxon Name (Soil Name):
Galvez
OSD
Series Extent
User Site ID:
97LA101011
User Pedon ID:
97LA101011
User Site Association ID:
LA101
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
97P0460
NCSS Pedon Lab Data NASIS Record ID -
10143
Print Date:
4/24/2025
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:
29.8453197
Std. Longitude:
-91.6541672
Datum:
WGS84
Township:
14 S.
Range:
8 E.
Section:
13
PLSS Details:
SE 1/4, NW 1/4, NE 1/4
Location Description:
about 17 miles southeast of New Iberia on U.S. Hgy. 90 to the intersection with State Route 318; 1.37 miles southwest on State Route 318 to a road 300 feet south of Bayou Cypremort; 2,000 feet southwest on road to a curve; then 25 feet southwest into field
Map Unit:
GaA—Galvez silt loam, 0 to 1 percent slopes
State:
Louisiana
County:
LA101—St. Mary
MLRA:
131A—Southern Mississippi River Alluvium
Regional Office:
7—Auburn, AL
Non-MLRA Soil Survey Area:
LA101—St. Mary Parish, Louisiana
7.5 Minute USGS Quad:
29091-G6—Kemper, Louisiana
PEDON
Describers Name:
Charles Guillory and Doug Slabaugh
Current Taxon Kind:
series
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from PDP 3.x
Correlated Information:
Soil Name -
Galvez
PSC -
20 to 70 cm.
Classificaton Date -
10/14/2004
Moisture Class -
udic
Sampled As Information:
Soil Name -
Galvez
Classificaton Date -
4/24/1997
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landscape:
river valley
Landform:
natural levee
Slope Shape Across:
linear
Slope Shape Down:
convex
Runoff:
low
Drainage Class:
somewhat poorly
Surface Fragments:
0.00 percent
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
4/24/1997 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
Site Obs. Cover Kind 2 -
row crop
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
water erosion
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
argillic horizon
0—20
20—114
—-
—-
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
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark grayish brown (10YR 4/2) silt loam; weak fine subangular blocky structure; friable; 10.0 fine roots throughout; 4.0 fine pores; 3 percent faint pale brown (10YR 6/3) silt coats on faces of peds; 10 percent fine faint brown (10YR 4/3) masses of oxidized iron between peds; fragments; strongly acid, pH 5.5, hellige-truog; diffuse smooth boundary. Lab sample # 97P2744
Bt—20 to 44 centimeters (7.9 to 17.3 inches); 30 percent grayish brown (10YR 5/2) and 35 percent brown (10YR 5/3) silty clay loam; moderate medium subangular blocky structure; firm; 4.0 fine roots between peds; 4.0 fine and medium pores; 55 percent distinct dark grayish brown (10YR 4/2) clay films on all faces of peds; 25 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron between peds; fragments; moderately acid, pH 5.7, hellige-truog; diffuse wavy boundary. Lab sample # 97P2745
Btg1—44 to 65 centimeters (17.3 to 25.6 inches); grayish brown (10YR 5/2) silt loam; weak fine subangular blocky structure; friable; 1.0 fine roots throughout; 4.0 fine and medium pores; 30 percent distinct dark grayish brown (10YR 4/2) clay films on faces of peds and in pores; 25 percent fine distinct yellowish brown (10YR 5/4) masses of oxidized iron between peds; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 97P2746
Btg2—65 to 90 centimeters (25.6 to 35.4 inches); grayish brown (10YR 5/2) silt loam; weak fine subangular blocky structure; very friable; 1.0 fine roots throughout; 4.0 fine pores; 1 percent distinct dark grayish brown (10YR 4/2) clay films in root channels and/or pores; 1 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron and 1 percent faint gray (10YR 5/1) iron depletions and 30 percent fine distinct yellowish brown (10YR 5/4) masses of oxidized iron between peds; fragments; neutral, pH 6.6, hellige-truog; diffuse wavy boundary. Lab sample # 97P2747
Btg3—90 to 114 centimeters (35.4 to 44.9 inches); grayish brown (2.5Y 5/2) silt loam; weak fine subangular blocky structure; very friable; 1.0 fine roots throughout; 4.0 fine pores; 1 percent distinct dark grayish brown (2.5Y 4/2) clay films in root channels and/or pores; 1 percent fine faint gray (2.5Y 5/1) iron depletions between peds and 30 percent fine prominent yellowish brown (10YR 5/4) masses of oxidized iron between peds; fragments; neutral, pH 6.9, hellige-truog; gradual wavy boundary. Lab sample # 97P2748
Bg—114 to 133 centimeters (44.9 to 52.4 inches); grayish brown (2.5Y 5/2) silt loam; weak fine subangular blocky structure; very friable; 1.0 fine roots throughout; 4.0 fine pores; 1 percent fine prominent yellowish brown (10YR 5/6) masses of oxidized iron throughout and 30 percent fine prominent yellowish brown (10YR 5/4) masses of oxidized iron throughout; fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 97P2749
BCg1—133 to 159 centimeters (52.4 to 62.6 inches); grayish brown (2.5Y 5/2) silt loam; weak fine subangular blocky structure; friable; 1.0 fine roots; 4.0 fine pores; 1 percent fine prominent very dark brown (10YR 2/2) iron-manganese masses between peds and 3 percent fine distinct brown (10YR 4/3) masses of oxidized iron throughout and 30 percent fine prominent yellowish brown (10YR 5/6) masses of oxidized iron throughout; fragments; neutral, pH 6.9, hellige-truog; gradual wavy boundary. Lab sample # 97P2750
BCg2—159 to 173 centimeters (62.6 to 68.1 inches); grayish brown (2.5Y 5/2) silt loam; weak fine subangular blocky structure; friable; 1.0 fine roots; 4.0 fine pores; 5 percent faint dark gray (2.5Y 4/1) organic stains in root channels and/or pores; 1 percent fine prominent very dark brown (10YR 2/2) iron-manganese masses between peds and 3 percent fine distinct brown (10YR 4/3) masses of oxidized iron throughout and 30 percent fine prominent yellowish brown (10YR 5/6) masses of oxidized iron throughout; fragments; neutral, pH 6.9, hellige-truog; gradual wavy boundary. Lab sample # 97P2751
BCg3—173 to 210 centimeters (68.1 to 82.7 inches); grayish brown (2.5Y 5/2) silt loam; weak fine subangular blocky structure; friable; 4.0 fine pores; 5 percent faint dark gray (2.5Y 4/1) organic stains in root channels and/or pores; 1 percent fine prominent very dark brown (10YR 2/2) iron-manganese masses between peds and 30 percent fine distinct light olive brown (2.5Y 5/4) masses of oxidized iron throughout; fragments; neutral, pH 6.9, hellige-truog; diffuse wavy boundary. Lab sample # 97P2752
2Cg—210 to 230 centimeters (82.7 to 90.6 inches); grayish brown (2.5Y 5/2) silty clay; weak fine subangular blocky structure; firm, very sticky, very plastic; 10.0 fine tubular pores; 55 percent faint dark gray (2.5Y 4/1) organic stains in root channels and/or pores; 1 percent iron-manganese concretions between peds and 30 percent medium prominent extremely weakly coherent cemented very dark brown (10YR 2/2) iron-manganese masses between peds and 30 percent fine prominent dark yellowish brown (10YR 4/4) masses of oxidized iron between peds; fragments; neutral, pH 6.7, hellige-truog. Lab sample # 97P2753