IDENTIFIERS
Current Taxon Name (Soil Name):
Montalto
OSD
Series Extent
User Site ID:
S2015VA187004
User Pedon ID:
S2015VA187004
User Site Association ID:
NEON_RO6_SCBI
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
KSSL
User Project ID:
SCBI_002_NEON
Project Name:
Smithsonian Conservation Biology Institute
Print Date:
12/10/2025
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:
38.8968333
Std. Longitude:
-78.1463611
Datum:
WGS84
GPS - Positional Error:
10.00
Location Description:
6.1;305;40x40 SE marker
Map Unit:
32E—Myersville and Montalto soils, 25 to 65 percent slopes, very stony
State:
Virginia
County:
VA187—Warren
MLRA:
130A—Northern Blue Ridge
MLRA Soil Survey Area:
NE-MIL—Mill Hall, Pennsylvania
Non-MLRA Soil Survey Area:
VA187—Warren County, Virginia
PEDON
Describers Name:
Jeff Thomas
Current Taxonomic Class:
Fine, mixed, semiactive, mesic Ultic Hapludalfs
Current Taxon Kind:
series
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
NASIS
Sampled As Information:
Soil Name -
Montalto
Taxonomic Class -
Fine, mixed, semiactive, mesic Ultic Hapludalfs
Taxon Kind -
series
PSC -
25 to 75 cm.
Classificaton Date -
1/3/2015
Classifier -
Jeff Thomas
Soil Taxonomic Edition -
twelfth edition
Moisture SUBClass -
typic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
residuum weathered from gabbro
Geomorphic Component Hills:
side slope
Hill Slope Profile:
backslope
Slope Position:
middle third
Slope Complexity:
simple
Slope Shape Across:
convex
Slope Shape Down:
concave
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
Plot #:
4
RaCA Information:
RaCA Site ID -
SCBI_004
DSP Plot ID -
SE
Plot Baseline Azimuth -
305
Plot Baseline Length -
6
Plot Width -
40
Plot/Site Set Up By -
Center of pit
Plot or Site Recorder -
Mike Jones
VEGETATION
SITE OBSERVATION
Observation Date:
10/19/2015 (actual site observation date)
Data Collector:
James Bell
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
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
agric horizon
0—25
25—100
—25—
—75—
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
22
—
—
318
—
278
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A—0 to 14 centimeters (0.0 to 5.5 inches); dark brown (7.5YR 3/3) channery silt loam; 15 percent clay; moderate medium subangular blocky structure; very friable, nonsticky, nonplastic; 3.0 very fine roots throughout and 3.0 fine roots throughout; 32 percent by volume flat subangular indurated 2-75-150 millimeter greenstone fragments; slightly acid, pH 6.4, pH indicator solutions; clear wavy boundary. Lab sample # 16N02442; observed in pit, small
AB—14 to 25 centimeters (5.5 to 9.8 inches); dark brown (7.5YR 3/4) channery silt loam; 20 percent clay; moderate medium subangular blocky structure; very friable, slightly sticky, slightly plastic; 1.0 very fine roots throughout and 3.0 fine roots throughout; 20 percent by volume flat subangular indurated 2-75-150 millimeter greenstone fragments; moderately acid, pH 5.6, pH indicator solutions; clear smooth boundary. Lab sample # 16N02443; observed in pit, small
Bt1—25 to 48 centimeters (9.8 to 18.9 inches); brown (7.5YR 4/4) clay; 45 percent clay; moderate medium subangular blocky structure; friable, slightly sticky, moderately plastic; 1.0 very fine roots throughout and 1.0 very coarse roots throughout; 15 percent distinct clay films on all faces of peds; 7 percent by volume flat subangular indurated 2-75-150 millimeter greenstone fragments; moderately acid, pH 5.6, pH indicator solutions; gradual wavy boundary. Lab sample # 16N02444; observed in pit, small
Bt2—48 to 100 centimeters (18.9 to 39.4 inches); red (2.5YR 4/6) silty clay; 42 percent clay; strong medium subangular blocky structure; friable, slightly sticky, moderately plastic; 1.0 very fine roots throughout and 1.0 very coarse roots throughout; 25 percent distinct clay films on all faces of peds; 1 percent by volume flat subangular indurated 2-75-150 millimeter greenstone fragments; moderately acid, pH 5.6, pH indicator solutions. Lab sample # 16N02445; observed in pit, small