HomeMy WebLinkAboutSW4240907_Soils/Geotechnical Report_20241015 Soil Map—Randolph County, North Carolina
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Map Scale:1:3,290 if printed on A portrait(8.5"x 11")sheet.
Meters
°' N 0 45 90 180 270
Feet
0 150 300 600 900
Map projection:Web Mercator Comer coordinates:WGS84 Edge tics:UTM Zone 17N WGS84
USDA Natural Resources Web Soil Survey 8/22/2024
dila Conservation Service National Cooperative Soil Survey Page 1 of 3
Soil Map—Randolph County, North Carolina
MAP LEGEND MAP INFORMATION
Area of Interest(AOI) Spoil Area The soil surveys that comprise your AOI were mapped at
Area of Interest(AOI) 1:24,000.
Q Stony Spot
Soils Very Stony Spot Warning:Soil Map may not be valid at this scale.
0 Soil Map Unit Polygons
Wet Spot Enlargement of maps beyond the scale of mapping can cause
.�� Soil Map Unit Lines misunderstanding of the detail of mapping and accuracy of soil
Other line placement.The maps do not show the small areas of
p Soil Map Unit Points contrasting soils that could have been shown at a more detailed
Special Line Features
Special Point Features scale.
(o, Blowout Water Features
Streams and Canals Please rely on the bar scale on each map sheet for map
cs Borrow Pit measurements.
Transportation
I Clay Spot Rails Source of Map: Natural Resources Conservation Service
0 Closed Depression Web Soil Survey URL:
ti Interstate Highways Coordinate System: Web Mercator(EPSG:3857)
X Gravel Pit US Routes
04,00 Maps from the Web Soil Survey are based on the Web Mercator
,. Gravelly Spot Major Roads projection,which preserves direction and shape but distorts
distance and area.A projection that preserves area,such as the
0 Landfill Local Roads Albers equal-area conic projection,should be used if more
Lava Flow accurate calculations of distance or area are required.
Background
46 Marsh or swamp Aerial Photography This product is generated from the USDA-NRCS certified data as
of the version date(s)listed below.
iRk Mine or Quarry
Soil Survey Area: Randolph County,North Carolina
O Miscellaneous Water Survey Area Data: Version 29,Sep 13,2023
Q Perennial Water Soil map units are labeled(as space allows)for map scales
v Rock Outcrop 1:50,000 or larger.
▪ Saline Spot Date(s)aerial images were photographed: Apr 23,2022—Apr
27,2022
Sandy Spot
The orthophoto or other base map on which the soil lines were
Severely Eroded Spot compiled and digitized probably differs from the background
imagery displayed on these maps.As a result,some minor
• Sinkhole shifting of map unit boundaries may be evident.
3) Slide or Slip
oa Sodic Spot
i\ Natural Resources Web Soil Survey 8/22/2024
001. Conservation Service National Cooperative Soil Survey Page 2 of 3
Soil Map—Randolph County, North Carolina
Map Unit Legend
Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI
MaC Mecklenburg loam,8 to 15 5.2 9.2%
percent slopes
MeB2 Mecklenburg clay loam,2 to 8 22.0 38.8%
percent slopes,moderately
eroded
MeC2 Mecklenburg clay loam,8 to 15 5.6 9.8%
percent slopes,moderately
eroded
W Water 2.0 3.5%
WtC Wynott-Enon complex,8 to 15 22.0 38.7%
percent slopes
Totals for Area of Interest 56.8 100.0%
usi)n Natural Resources Web Soil Survey 8/22/2024
Conservation Service National Cooperative Soil Survey Page 3 of 3
Map Unit Description:Wynott-Enon complex,8 to 15 percent slopes---Randolph County, North
Carolina
Randolph County, North Carolina
WtC—Wynott-Enon complex, 8 to 15 percent slopes
Map Unit Setting
National map unit symbol: 3y7k
Elevation: 200 to 1,400 feet
Mean annual precipitation: 37 to 60 inches
Mean annual air temperature: 59 to 66 degrees F
Frost-free period: 200 to 240 days
Farmland classification: Farmland of statewide importance
Map Unit Composition
Wynott and similar soils: 55 percent
Enon and similar soils: 35 percent
Minor components: 7 percent
Estimates are based on observations, descriptions, and transects of
the mapunit.
Description of Wynott
Setting
Landform: Hillslopes on ridges
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Side slope
Down-slope shape: Linear
Across-slope shape: Convex
Parent material: Saprolite derived from diorite and/or gabbro and/or
diabase and/or gneiss
Typical profile
A -0 to 4 inches: sandy loam
E-4 to 14 inches: sandy loam
Bt- 14 to 24 inches: clay
BC-24 to 28 inches: sandy clay loam
Cr-28 to 80 inches: weathered bedrock
Properties and qualities
Slope: 8 to 15 percent
Depth to restrictive feature: 20 to 40 inches to paralithic bedrock
Drainage class:Well drained
Runoff class: Medium
Capacity of the most limiting layer to transmit water(Ksat):Very low
to moderately high (0.00 to 0.20 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Low(about 4.4 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 3e
USDA Natural Resources Web Soil Survey 8/22/2024
Conservation Service National Cooperative Soil Survey Page 1 of 3
Map Unit Description:Wynott-Enon complex,8 to 15 percent slopes---Randolph County, North
Carolina
Hydrologic Soil Group: D
Ecological site: F136XY730SC- Basic upland forest, depth
restriction, dry
Hydric soil rating: No
Description of Enon
Setting
Landform: Hillslopes on ridges
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Side slope
Down-slope shape: Linear
Across-slope shape: Convex
Parent material: Saprolite derived from diorite and/or gabbro and/or
diabase and/or gneiss
Typical profile
Ap- 0 to 7 inches: fine sandy loam
BA - 7 to 10 inches: sandy clay loam
Bt- 10 to 27 inches: clay
BC-27 to 33 inches: clay loam
C-33 to 80 inches: loam
Properties and qualities
Slope: 8 to 15 percent
Depth to restrictive feature: More than 80 inches
Drainage class:Well drained
Runoff class: Medium
Capacity of the most limiting layer to transmit water
(Ksat): Moderately low to moderately high (0.06 to 0.20 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 8.3
inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 3e
Hydrologic Soil Group: C
Ecological site: F136XY720NC - Basic upland forest, moist
Hydric soil rating: No
Minor Components
Wilkes
Percent of map unit: 5 percent
Landform: Hillslopes on ridges
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Side slope
Down-slope shape: Linear
Across-slope shape: Convex
Hydric soil rating: No
USDA Natural Resources Web Soil Survey 8/22/2024
Conservation Service National Cooperative Soil Survey Page 2 of 3
Map Unit Description:Wynott-Enon complex,8 to 15 percent slopes---Randolph County, North
Carolina
Sedgefield
Percent of map unit:2 percent
Landform: Ridges
Landform position (two-dimensional): Summit, footslope
Down-slope shape: Concave
Across-slope shape: Concave
Hydric soil rating: No
Data Source Information
Soil Survey Area: Randolph County, North Carolina
Survey Area Data: Version 29, Sep 13, 2023
USDA Natural Resources Web Soil Survey 8/22/2024
alli Conservation Service National Cooperative Soil Survey Page 3 of 3
Map Unit Description: Mecklenburg clay loam,2 to 8 percent slopes,moderately eroded---
Randolph County, North Carolina
Randolph County, North Carolina
MeB2—Mecklenburg clay loam, 2 to 8 percent slopes,
moderately eroded
Map Unit Setting
National map unit symbol: 3y6v
Elevation: 200 to 1,400 feet
Mean annual precipitation: 37 to 60 inches
Mean annual air temperature: 59 to 66 degrees F
Frost-free period: 200 to 240 days
Farmland classification: All areas are prime farmland
Map Unit Composition
Mecklenburg, moderately eroded, and similar soils: 85 percent
Minor components: 10 percent
Estimates are based on observations, descriptions, and transects of
the mapunit.
Description of Mecklenburg, Moderately Eroded
Setting
Landform: lnterfluves
Landform position (two-dimensional): Summit
Landform position (three-dimensional): Interfluve
Down-slope shape: Convex
Across-slope shape: Convex
Parent material: Saprolite derived from diorite and/or gabbro and/or
diabase and/or gneiss
Typical profile
Ap- 0 to 7 inches: clay loam
Bt- 7 to 30 inches: clay
BC-30 to 38 inches: clay loam
C-38 to 80 inches: loam
Properties and qualities
Slope: 2 to 8 percent
Depth to restrictive feature: More than 80 inches
Drainage class:Well drained
Runoff class: Medium
Capacity of the most limiting layer to transmit water
(Ksat): Moderately low to moderately high (0.06 to 0.20 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 8.9
inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 2e
USDA Natural Resources Web Soil Survey 8/22/2024
Conservation Service National Cooperative Soil Survey Page 1 of 2
Map Unit Description: Mecklenburg clay loam,2 to 8 percent slopes,moderately eroded---
Randolph County, North Carolina
Hydrologic Soil Group: C
Ecological site: F136XY720NC - Basic upland forest, moist
Hydric soil rating: No
Minor Components
Lloyd, moderately eroded
Percent of map unit: 5 percent
Landform: Interfluves
Landform position (two-dimensional): Summit
Landform position (three-dimensional): Interfluve
Down-slope shape: Convex
Across-slope shape: Convex
Hydric soil rating: No
Pacolet, moderately eroded
Percent of map unit: 3 percent
Landform: Interfluves
Landform position (two-dimensional): Summit
Landform position (three-dimensional): Interfluve
Down-slope shape: Convex
Across-slope shape: Convex
Hydric soil rating: No
Enon
Percent of map unit:2 percent
Landform: Interfluves
Landform position (two-dimensional): Summit
Landform position (three-dimensional): Interfluve
Down-slope shape: Convex
Across-slope shape: Convex
Hydric soil rating: No
Data Source Information
Soil Survey Area: Randolph County, North Carolina
Survey Area Data: Version 29, Sep 13, 2023
USDA Natural Resources Web Soil Survey 8/22/2024
alli Conservation Service National Cooperative Soil Survey Page 2 of 2