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HomeMy WebLinkAboutSW4240907_Soils/Geotechnical Report_20241015 Soil Map—Randolph County, North Carolina N V 586860 586940 587020 587100 587180 587260 587340 35°54'33"N 35°54'33"N ■ J a._ lr , . , ,v,,,o N O c.,,, N- MeB2 WtC c7i r. __ , gii MeC2 R g P l sr t jIMP •*le MeB2 l r `MeB2' .k ✓_ ;^ / 1 o 1 ' ... .,/ e 5Q 4,- / / MaC w`9........----- Li ( '5f5000 5' p Trua1 1oil ItX daUod TA aGhoO. �(.M04° 35°54'11"N 35°54'11"N 586860 586940 587020 587100 587180 587260 587340 3 3 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