HomeSoil seriesMiles
Miles soil series
Miles soils cover 1,437,303 mapped acres, almost all of them in Texas. 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 25 of the counties and cities on this site, including Motley County, TX; Dickens County, TX; Donley County, TX.
SSURGO survey versions to August 5, 2026 · series description revised 2014-10
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
The Miles series consists of very deep, well drained, moderately permeable soils that formed in loamy alluvial materials. These soils are on nearly level to moderately sloping terrace pediments on dissected plains. Slopes range from 0 to 8 percent. Mean annual precipitation is about 584 mm (23 in), and mean annual air temperature is about 62 degrees C (16.7 degrees F).
Source: USDA NRCS series description (OSD) for Miles, revised 2014-10. Read it.
Engineering properties
| Mapped area (SSURGO) | 1,437,303 acres |
| Shrink-swell limits houses without basements | 0.0% |
| Shallow water table limits basements | 0.0% |
| Very limited for septic absorption fields | 27.8% |
| Most common drainage class | Well drained |
| Most common hydrologic soil group | B |
| Taxonomic class | Fine-loamy, mixed, superactive, thermic Typic Paleustalfs |
| Type location | Kent County, Texas |
Where Miles is mapped
| State | Mapped acres |
|---|---|
| Texas | 1,436,967 |
| Oklahoma | 336 |
Places where Miles leads
Counties and cities where Miles covers more mapped land than any other series.
| Place | Share of mapped land |
|---|---|
| McLean, TX | 85% |
| Roby, TX | 80% |
| Jayton, TX | 72% |
| Goree, TX | 62% |
| Westbrook, TX | 60% |
| Rule, TX | 58% |
| Matador, TX | 56% |
| Lakeview, TX | 54% |
| Colorado City, TX | 54% |
| Loraine, TX | 53% |
| Rotan, TX | 50% |
| Clarendon, TX | 48% |
| Knox City, TX | 46% |
| Hedley, TX | 45% |
| Rochester, TX | 44% |
| Vernon, TX | 43% |
| Roaring Springs, TX | 30% |
| Robert Lee, TX | 28% |
| Howardwick, TX | 27% |
| Motley County, TX | 21% |
| Dickens County, TX | 19% |
| Donley County, TX | 19% |
| Mitchell County, TX | 17% |
| Collingsworth County, TX | 17% |
| Cottle County, TX | 14% |
Other places where Miles is a main soil
Counties and cities where Miles is among the six soil series covering the most mapped land, but not the first. Share of the place's mapped land.
Counties
- Wilbarger County, TX 14%
- Garza County, TX 11%
- Knox County, TX 11%
- Kent County, TX 10%
- Scurry County, TX 10%
- Jones County, TX 9%
- Fisher County, TX 9%
- Hall County, TX 8%
- Gray County, TX 7%
- Coke County, TX 7%
- Haskell County, TX 6%
- Stonewall County, TX 6%
- Crosby County, TX 4%
Texas and Ohio cities
- Seymour, TX 29%
- Paducah, TX 28%
- Hawley, TX 25%
- Snyder, TX 22%
- Munday, TX 21%
- Spur, TX 17%
- Post, TX 10%
- Dickens, TX 10%
- Bronte, TX 9%
- Ballinger, TX 9%
- Turkey, TX 6%
- Haskell, TX 6%
- Memphis, TX 4%
- Quitaque, TX 3%
- Tuscola, TX 2%
- Merkel, TX 2%
- Lueders, TX 2%
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.