HomeSoil seriesClifford
Clifford soil series
Clifford soils cover 1,216,075 mapped acres, mostly in Virginia and North Carolina. USDA rates shrink-swell a limit for houses without basements on 0% of that land, and a shallow water table a limit for basements on 0%.
It is the leading soil series by area in 9 of the counties and cities on this site, including Henry County, VA; Franklin County, VA; Yadkin County, NC.
SSURGO survey versions to August 5, 2026 · series description revised 2006-01
of its land: shrink-swell limits houses without basements
of its land: a shallow water table limits basements
median highest linear extensibility (6% and up is high)
median highest clay content in the top 150 cm
USDA's description
| Depth class | Very deep |
| Permeability | Moderate |
| Landscape | Piedmont uplands |
| Landform | Hill, interfluve |
| Parent material | Residuum weathered from felsic crystalline rock such as mica schist, gneiss, granite gneiss, mica gneiss, granodiorite, and granite |
| Slope | 2 to 60 percent |
Source: USDA NRCS series description (OSD) for Clifford, revised 2006-01. Read it.
Engineering properties
| Mapped area (SSURGO) | 1,216,075 acres |
| Shrink-swell limits houses without basements | 0.0% |
| Shallow water table limits basements | 0.0% |
| Very limited for septic absorption fields | 32.2% |
| Most common drainage class | Well drained |
| Most common hydrologic soil group | B |
| Taxonomic class | Fine, kaolinitic, mesic Typic Kanhapludults |
| Type location | Caswell County, North Carolina |
Where Clifford is mapped
| State | Mapped acres |
|---|---|
| Virginia | 881,020 |
| North Carolina | 335,055 |
Places where Clifford leads
Counties and cities where Clifford covers more mapped land than any other series.
| Place | Share of mapped land |
|---|---|
| Henry County, VA | 63% |
| Franklin County, VA | 55% |
| Yadkin County, NC | 39% |
| Pittsylvania County, VA | 35% |
| Danville city, VA | 34% |
| Amherst County, VA | 31% |
| Halifax County, VA | 27% |
| Bedford County, VA | 22% |
| Rockingham County, NC | 22% |
Other places where Clifford is a main soil
Counties and cities where Clifford is among the six soil series covering the most mapped land, but not the first. Share of the place's mapped land.
Counties
Sources
Shares and properties: USDA NRCS SSURGO via Soil Data Access, weighted by each component's share of its map units. Description: the USDA NRCS series description. How we count.