IDENTIFIERS
Current Taxon Name (Soil Name):
Huntington
OSD
Series Extent
User Site ID:
S2019VA107023
User Pedon ID:
S2019VA107023
Lab Information:
Certified Lab Pedon Description -
no
Lab Pedon # -
19N0697
User Project ID:
20-21fre
Project Name:
MLRA 148 - Potomac River Legacy Sediments and Phosphorus Project
Print Date:
4/12/2026
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:
39.2956278
Std. Longitude:
-77.5630083
Datum:
WGS84
Location Description:
In a wooded area, about 1.9 miles northwest of Point of Rocks, and about 110 feet from the Potomac River, in Loudoun County, Virginia
Map Unit:
7A—Huntington silt loam, 0 to 2 percent slopes, occasionally flooded
Country:
US—United States
State:
Virginia
County:
VA107—Loudoun
MLRA:
148—Northern Piedmont
Regional Office:
SE—Southeast
MLRA Soil Survey Area:
NE-FRE—Frederick, Maryland
Non-MLRA Soil Survey Area:
VA107—Loudoun County, Virginia
7.5 Minute USGS Quad:
39077-C5—Point of Rocks, Maryland
PEDON
Describers Name:
BM, JF
Current Taxonomic Class:
Fine-silty, mixed, active, mesic Typic Argiudolls
Current Taxon Kind:
taxadjunct
Pedon Type:
taxadjunct to the series
Pedon Purpose:
soil survey inventory
Pedon Record Orgin:
NASIS
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
alluvium derived from metamorphic and sedimentary rock
Landscape:
piedmont
Landform:
flood plain
Geomorphic Component Terraces:
tread
Hill Slope Profile:
toeslope
Slope Complexity:
simple
Slope Shape Across:
convex
Slope Shape Down:
linear
Drainage Class:
well
Flooding:
occasional flooding for brief periods
Ponding:
none ponding
Bedrock:
metasedimentary rock, unspecified
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
8/7/2019 (actual site observation date)
Data Collector:
BM, JF
Surface Cover Properties:
Site Obs. Cover Kind 1 -
tree cover
Site Obs. Cover Kind 2 -
hardwoods
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Current Weather -
partly cloudy
Current Air Temp -
29
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
mollic epipedon
argillic horizon
0—47
47—109
—47—
—62—
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
—
—
66
—
109
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A—0 to 13 centimeters (0.0 to 5.1 inches); very dark grayish brown (10YR 3/2) silt loam; 12 percent clay; fragments.; moist when described; observed in auger, bucket
BA—13 to 47 centimeters (5.1 to 18.5 inches); dark yellowish brown (10YR 3/4) loam; 14 percent clay; fragments.; moist when described; observed in auger, bucket
Bt1—47 to 80 centimeters (18.5 to 31.5 inches); dark yellowish brown (10YR 3/4) silty clay loam; 29 percent clay; fragments.; moist when described; observed in auger, bucket
Bt2—80 to 109 centimeters (31.5 to 42.9 inches); dark yellowish brown (10YR 4/4) silty clay loam; 30 percent clay; fragments.; moist when described; observed in auger, bucket
Ab—109 to 118 centimeters (42.9 to 46.5 inches); dark grayish brown (10YR 4/2) silty clay loam; 28 percent clay; fragments.; moist when described; observed in auger, bucket
C—118 to 125 centimeters (46.5 to 49.2 inches); yellowish brown (10YR 5/6) sandy loam; 10 percent clay; fragments.; moist when described; observed in auger, bucket
B't1—125 to 157 centimeters (49.2 to 61.8 inches); strong brown (7.5YR 5/6) silt loam; 25 percent clay; fragments.; moist when described; observed in auger, bucket
B't2—157 to 200 centimeters (61.8 to 78.7 inches); silty clay loam; 29 percent clay; fragments.; moist when described; observed in auger, bucket